CN104043821B - Resistant corrosion-resistant spray-coating powder and preparation method thereof - Google Patents
Resistant corrosion-resistant spray-coating powder and preparation method thereof Download PDFInfo
- Publication number
- CN104043821B CN104043821B CN201410280772.5A CN201410280772A CN104043821B CN 104043821 B CN104043821 B CN 104043821B CN 201410280772 A CN201410280772 A CN 201410280772A CN 104043821 B CN104043821 B CN 104043821B
- Authority
- CN
- China
- Prior art keywords
- resistant
- corrosion
- coating powder
- spray
- coating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 123
- 230000007797 corrosion Effects 0.000 title claims abstract description 121
- 239000000843 powder Substances 0.000 title claims abstract description 64
- 238000005507 spraying Methods 0.000 title claims abstract description 63
- 238000002360 preparation method Methods 0.000 title claims description 21
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 46
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 46
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 10
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 3
- 239000002245 particle Substances 0.000 claims description 19
- 239000000919 ceramic Substances 0.000 claims description 15
- 239000013528 metallic particle Substances 0.000 claims description 14
- 239000013078 crystal Substances 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 5
- 238000000498 ball milling Methods 0.000 claims description 3
- 238000002663 nebulization Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 238000000576 coating method Methods 0.000 abstract description 63
- 239000011701 zinc Substances 0.000 abstract description 46
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract description 25
- 229910052725 zinc Inorganic materials 0.000 abstract description 25
- 238000009826 distribution Methods 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 60
- 238000012360 testing method Methods 0.000 description 18
- 239000010409 thin film Substances 0.000 description 15
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 239000011159 matrix material Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000035939 shock Effects 0.000 description 7
- 239000007921 spray Substances 0.000 description 7
- 230000003026 anti-oxygenic effect Effects 0.000 description 6
- 238000005246 galvanizing Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 238000005269 aluminizing Methods 0.000 description 5
- 230000003628 erosive effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000005253 cladding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000007545 Vickers hardness test Methods 0.000 description 1
- 229910000611 Zinc aluminium Inorganic materials 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- FJMNNXLGOUYVHO-UHFFFAOYSA-N aluminum zinc Chemical compound [Al].[Zn] FJMNNXLGOUYVHO-UHFFFAOYSA-N 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- -1 can improve Co Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
Landscapes
- Coating By Spraying Or Casting (AREA)
Abstract
The invention discloses a kind of resistant corrosion-resistant spray-coating powder, it is characterised in that include carbide and metal simple-substance；Described carbide includes TiC and WC, also includes one or both in TaC, NbC；Described metal simple-substance includes Co, Ni and Cr；The weight of described carbide accounts for the 53%～74% of described resistant corrosion-resistant spray-coating powder gross weight, and remaining is metal simple-substance.The resistant corrosion-resistant spray-coating powder that the present invention provides, uniform component distribution, and there is the highest sphericity.The corrosion-resistant finishes prepared through spraying coating process by this powder, has anti-Zn solution, aluminum liquid and the corrosion of allumen liquation, especially has resistance to temperature and is up to zinc liquid, aluminum liquid and the excellent properties of allumen liquation corrosion of 870 DEG C.
Description
Technical field
The present invention relates to resistant corrosion-resistant spray-coating powder and preparation method thereof.Rotten particularly to anti-Zn solution, aluminum liquid and allumen liquation
The spray powders of erosion, and the preparation method of this kind of spray powders.
Background technology
Anti-corrosion steel ironwork will carry out galvanizing or hot-dip aluminizing mostly the most in the world.Galvanizing or hot-dip aluminizing have become as steel
Ferrum anticorrosion aspect applies method most basic, widest, is widely used in producing steel plate, steel band, steel wire, steel pipe, steel
Net and hardware.Through galvanizing or the workpiece of hot-dip aluminizing, its life-span can improve 11～28 times.
In galvanizing or hot-dip aluminizing production line, zinc liquid, the temperature of allumen solution generally reach 620 DEG C, in hot dip aluminum pot
The temperature of aluminum liquid generally reaches 760 DEG C.Zinc liquid or aluminum liquid to parts each in zinc pot or aluminum pot (as bearing, sinking roller, guide roller,
Support roller) all there is strong corrosivity.Further, since zinc liquid or the corrosion to parts of the aluminum liquid, product (such as strip steel) is to portion
The abrasion of part, can produce hard intermetallic compound particle in zinc pot or aluminum pot, reduce the service life of each parts, typically
Steel band is zinc-plated or the maintenance cycle average out to fortnight of aluminum steel.Simultaneously because the product (Fe that corrosion is formed2Change between Zn system metal
Compound) it is deposited in melted zinc, also can destroy the surface of coating, affect the quality of product.This periodically and irregular stop
It is the most serious for producing and keeping in repair the loss caused.If the generation of corrosion being suppressed and reduces the formation of corrosion product, it will reduces and stop
The product time, improve quality of coating, reduce maintenance and the cost of renewal part, save the energy, improve production environment.Along with zinc-plated
The development of technology, high aluminium zinc alloy coating has become the direction of domestic galvanizing technique development.And high aluminum zinc liquid phase is for traditional aluminum
For zinc liquid, temperature is higher, has higher corrosivity, and the WC hot-spraying coating that tradition uses can not effectively resist high temperature
The erosion of zinc-aluminium solution, is substantially reduced the service life of coating.
Summary of the invention
The invention aims to overcome deficiency of the prior art, it is provided that a kind of resistant corrosion-resistant spray-coating powder.
For realizing object above, the present invention is achieved through the following technical solutions:
Resistant corrosion-resistant spray-coating powder, it is characterised in that include carbide and metal simple-substance；Described carbide includes TiC and WC,
Also include in TaC, NbC one or both；Described metal simple-substance includes Co, Ni and Cr；The weight of described carbide accounts for institute
Stating the 53%～74% of resistant corrosion-resistant spray-coating powder gross weight, remaining is metal simple-substance.
Preferably, the weight of Cr accounts for the 6%～12% of described resistant corrosion-resistant spray-coating powder gross weight；The gross weight of Co and Ni accounts for
The 20%～35% of described resistant corrosion-resistant spray-coating powder gross weight；The weight of WC account for described resistant corrosion-resistant spray-coating powder gross weight 6%～
12%；The gross weight of TaC and NbC accounts for the 5%～10% of spray coating powder gross weight；Remaining is TiC.
Preferably, anti-Zn solution, aluminum liquid and the corrosion of allumen liquation.
It is a further object to provide the preparation method of a kind of resistant corrosion-resistant spray-coating powder.
For achieving the above object, the present invention is achieved through the following technical solutions:
The preparation method of resistant corrosion-resistant spray-coating powder, it is characterised in that comprise the following steps:
A. one or both in addition TaC and NbC in TiC and WC, uniformly load crystal vessel and seal after mixing；Will
Vacuum sintering furnace put into by crystal vessel, regulation pressure to 20～40MPa, with the ramp of 40～80 DEG C/min to 1600～
1800 DEG C, it is incubated 1～4 hour, makes ceramic block；In said process, TiC and WC can produce WTiC2Compound phase, this is combined
There is high rigidity, high antioxygenic property mutually.TaC and NbC all can strengthen non-oxidizability and the high temperature abrasion resistance of TiC.
B. ceramic block is broken, ball milling, prepares ceramic particle；
C. ceramic particle is uniformly mixed with Co metallic particles, Ni metallic particles, Cr metallic particles, add binding agent and make slurry
Material；Binding agent is the adhesives that row is commonly used in the trade.After nebulization pelletize, sintering, plasma spheroidization, sub-sieve obtain resistance to
Corrosion spray powders.The WTiC generated in step a2Compound phase, can improve Co, Ni wettability to carbide, make carbonization
Thing and metal simple-substance can be crossed and be fully contacted, and combines closely.
Preferably, in described step a, the particle diameter of TiC, WC, TaC or NbC is 1～2 μm.
Preferably, in described step b, the particle diameter of the ceramic particle prepared is 1～3 μm.
Preferably, in described step c, the particle diameter of Co metallic particles, Ni metallic particles or Cr metallic particles is 1～5 μm.
Preferably, the weight of Cr accounts for the 6%～12% of described resistant corrosion-resistant spray-coating powder gross weight；The gross weight of Co and Ni accounts for
The 20%～35% of described resistant corrosion-resistant spray-coating powder gross weight；The weight of WC account for described resistant corrosion-resistant spray-coating powder gross weight 6%～
12%；The gross weight of TaC and NbC accounts for the 5%～10% of spray coating powder gross weight；Remaining is TiC.
Preferably, resistant corrosion-resistant spray-coating powder anti-Zn solution, aluminum liquid and the corrosion of allumen liquation prepared.
It is a further object to provide a kind of corrosion-resistant finishes.
For achieving the above object, the present invention is achieved through the following technical solutions:
Corrosion-resistant finishes, it is characterised in that prepared through spraying coating process by above-mentioned resistant corrosion-resistant spray-coating powder, be coated on matrix surface.
Preferably, anti-Zn solution, aluminum liquid and the corrosion of allumen liquation.
It is a further object to provide the preparation method of a kind of corrosion-resistant finishes.
For achieving the above object, the present invention is achieved through the following technical solutions:
The preparation method of corrosion-resistant finishes, it is characterised in that use spraying equipment to spray after being melted by above-mentioned resistant corrosion-resistant spray-coating powder
It is incident upon matrix surface, forms the corrosion-resistant finishes being coated on matrix surface.
Preferably, corrosion-resistant finishes anti-Zn solution, aluminum liquid and the corrosion of allumen liquation prepared.
It is a further object to provide a kind of corrosion-resistant roller.
For achieving the above object, the present invention is achieved through the following technical solutions:
Corrosion-resistant roller, it is characterised in that include matrix and be coated on the corrosion-resistant finishes of matrix surface；Described corrosion-resistant finishes by
Above-mentioned resistant corrosion-resistant spray-coating powder prepares through spraying coating process.
Preferably, anti-Zn solution, aluminum liquid and the corrosion of allumen liquation.
It is a further object to provide the preparation method of a kind of corrosion-resistant roller.
For achieving the above object, the present invention is achieved through the following technical solutions:
The preparation method of corrosion-resistant roller, it is characterised in that use spraying equipment will to spray after above-mentioned resistant corrosion-resistant spray-coating powder melts
To roll surface, form corrosion-resistant roller.
Preferably, corrosion-resistant roller anti-Zn solution, aluminum liquid and the corrosion of allumen liquation prepared.
The resistant corrosion-resistant spray-coating powder that the present invention provides, uniform component distribution, and there is the highest sphericity.By this powder through spray
It is coated with the corrosion-resistant finishes that technique prepares, there is anti-Zn solution, aluminum liquid and the corrosion of allumen liquation, especially there is resistance to temperature and be up to 870 DEG C
Zinc liquid, aluminum liquid and allumen liquation corrosion excellent properties.It is prevented effectively from zinc, aluminum and alloy molten solution corrosion roll body thereof, prolongs
Grow the service life of roll body, reduced the off-time, reduce maintenance and the cost of renewal part, the saving energy.Can reduce simultaneously
Or avoid the generation of corrosion product-intermetallic compound, it is effectively improved the surface quality of coating, improves steel plate quality.By the present invention
The corrosion-resistant finishes that the resistant corrosion-resistant spray-coating provided prepares with powder, also has good anti-Zn solution, aluminum liquid and allumen liquation viscous
Attached, resistance to metal erosion, antioxidation, heat shock resistance, the performance such as high temperature resistant.
Tests prove that, the gross weight of Co and Ni of resistant corrosion-resistant spray-coating powder account for resistant corrosion-resistant spray-coating powder gross weight 20%～
35%, its wearability of corrosion-resistant finishes prepared, anti-Zn solution, aluminum liquid and the corrosion of allumen liquation, anti-Zn solution, aluminum liquid and
Allumen liquation adheres to, and thermal shock resistance is optimum.And in corrosion-resistant finishes preparation process, powder deposition efficiency is high.Co and
The weight percent content of Ni is too high, can reduce the wearability of coating, anti-Zn solution, aluminum liquid and the corrosion of allumen liquation, resistance to zinc
Liquid, aluminum liquid and allumen liquation adhesion property.The weight percent content of Co and Ni is too low, can reduce the heat resistanceheat resistant punching of coating
Hit performance, powder deposition efficiency in the coating that slows down preparation process.
The gross weight of the Cr of resistant corrosion-resistant spray-coating powder accounts for the 6%～12% of resistant corrosion-resistant spray-coating powder gross weight, by its prepare resistance to
The resistance to metal erosion of corrosion resistant coating, anti-Zn solution, aluminum liquid and the corrosion of allumen liquation, anti-Zn solution, aluminum liquid and allumen liquation
Adhering to, antioxygenic property is optimum.The weight percent content of Cr is too high, can reduce the resistance to metal erosion of coating, anti-Zn solution, aluminum
Liquid and the corrosion of allumen liquation, anti-Zn solution, aluminum liquid and allumen liquation adhesion property.The weight percent content of Cr is too low,
The antioxygenic property of coating can be reduced.
The preparation method of the resistant corrosion-resistant spray-coating powder that the present invention provides, technique is simple, the resistant corrosion-resistant spray-coating powdery components prepared
The most uniformly, sphericity is high.Sinter after pelletize, nodularization is greatly improved powder property.
The preparation method of the corrosion-resistant finishes that the present invention provides, technique is simple.Spraying can be completed, it is not necessary to more roll change at tradition roll surface,
Reduce the processing and manufacturing cost of steel mill.Sprayed on material is powder, makes coating have good thickness evenness.
It is coated with the corrosion-resistant roller of the corrosion-resistant finishes that the present invention provides, can be widely applied in galvanizing or hot-dip aluminizing production line,
Use as sinking roller, guide roller or support roller, there is good corrosivity.And the anti-corrosion layer of roll surface has good heat resistanceheat resistant
Shock stability, the most easy to crack or disengaging, the qualities such as service life is long, zinc-plated, the aluminium steel plate of production are higher.
Accompanying drawing explanation
Fig. 1 is the corrosion-resistant roller front view in the present invention；
Fig. 2 is the A-A sectional view of Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in detail:
As illustrated in fig. 1 and 2, for corrosion-resistant roller 1.Corrosion-resistant roller 1 includes matrix 11 and the corrosion-resistant finishes of cladding matrix surface
12.Matrix 11 is traditional sinking roller.Thermic lance is used to spray the table to matrix 11 by after resistant corrosion-resistant spray-coating powder melts
Face, forms corrosion-resistant finishes 12, prepares the corrosion-resistant roller 1 being coated with corrosion-resistant finishes 12.In each embodiment, resistant corrosion-resistant spray-coating is used
The component weight percent content of powder is as shown in Table 1:
Table one
The preparation method of resistant corrosion-resistant spray-coating powder is as follows:
A. according to the weight in table two, in TiC and WC, one or both in addition TaC and NbC, uniformly mix
Load crystal vessel after conjunction to seal.The particle diameter of TiC, WC, TaC or NbC is 1～2 μm.Crystal vessel is put into vacuum-sintering
In stove, regulation pressure to lMPa, with the ramp of m DEG C/min to n DEG C, is incubated p hour, makes ceramic block.l、m、n、
The concrete numerical value of p is as shown in Table 3.
B. ceramic block is broken, ball milling, prepares ceramic particle.The particle diameter of the ceramic particle prepared is 1～3 μm.
C. pressing the weight in table two, adding particle diameter in ceramic particle is the Co metallic particles of 1～5 μm, Ni metal
Granule and Cr metallic particles, and uniformly mix, add binding agent and make slurry.After nebulization pelletize, sintering, plasma
Nodularization, sub-sieve obtain resistant corrosion-resistant spray-coating powder.The component weight percent content of resistant corrosion-resistant spray-coating powder is as shown in Table 1.
Table two
Table three
The technical parameter of the corrosion-resistant roller in each embodiment is as shown in Table 4:
Table four
Data acquisition in form four obtains with the following method:
Fracture toughness: using indentation method to test, test loading force is 10kg, and the load time is 15s, sees under the microscope
Examine and measure crack length and Vickers (Vickers) diagonal, carry out calculating by following Palmqvist geometric formula and break
Split toughness (or fracture strength) KIC,
In formula, Hv is Vickers hardness, and E is Young's modulus, and D is the half diagonal of Vickers indentation, and a is impression breaking length.Often
Five points at least beaten by individual sample, use ultrasonic technology to measure the Young's modulus of coating.
Microhardness: using microhardness instrument to measure, loading force is 300g, load time 20s, measures the microhardness of coating.
Wear-resistant rate: use friction wear testing machine, rotating speed 200rpm, experimental pressure 30N, test stroke 200m, after weighing
Calculate the wear volume of coating unit pressure unit stroke, for weighing the abrasion resistance properties of coating.In unit pressure per stroke
The wear volume of coating is the fewest, and high temperature wear resistant performance is the highest, otherwise the poorest.
Oxidation weight gain: put in heat-treatment furnace by the test block that four sides is coated with corrosion-resistant finishes, is heated at 800 DEG C being incubated 24h,
Taking out cooling and weigh, the weightening finish of unit of account unit of time area coating, for weighing the antioxygenic property of coating.During unit
Between the weightening finish of unit are coating the fewest, antioxygenic property is the strongest, otherwise the most weak.
Thermal shock resistance properties: band coating test piece is heated to 900 DEG C of insulation 20min, observes disbonding situation after taking out Water Quenching.
Repeat-heating shrend, until disbonding area exceedes the 2% of the coating gross area.By making disbonding area exceed the total face of coating
The heating shrend number of times of long-pending 2%, weighs the thermal shock resistance properties of coating.Heating shrend number of times is the most, and thermal shock resistance properties is the best, otherwise
The poorest.
The liquid of resistance to aluminum adhesiveness and the corrosion of resistance to aluminum: the test bar of peek parcel corrosion-resistant finishes, divide two groups, and one of which is whole
Body immerses in the high temperature aluminum liquid of 850 DEG C, takes out after stirring 320 hours；Another group entirety immerses in the high temperature aluminum liquid of 870 DEG C, stirs
Take out after dynamic 320 hours.The adhesion amount of two groups of coating surface aluminum thin film is observed after cooling.Coating surface aluminum thin film adhesion amount is the fewest,
The liquid of the resistance to aluminum adhesiveness of coating is the strongest.It is excellent, good, general, poor that the coating liquid of resistance to aluminum adhesion property is divided into from high to low.Coating surface
The attachment of aluminum-free thin film is for excellent.Again aluminum thin film is peeled off from test bar, observe the dropping situations of coating.The coating on test bar surface
The area come off is the least, and the coating corrosion of resistance to aluminum is the strongest.The coating corrosion of resistance to aluminum performance be divided into from high to low excellent, good, general,
Difference.After aluminum thin film is peeled off, coating is without coming off for excellent.
Anti-Zn solution adhesiveness and liquid zinc corrosion resistant: the test bar of peek parcel corrosion-resistant finishes, divide two groups, and one of which is whole
Body immerses in the high temperature zinc liquid of 850 DEG C, takes out after stirring 320 hours；Another group entirety immerses in the high temperature zinc liquid of 870 DEG C, stirs
Take out after dynamic 320 hours.The adhesion amount of two groups of coating surface zinc thin film is observed after cooling.Coating surface zinc thin film adhesion amount is the fewest,
The anti-Zn solution adhesiveness of coating is the strongest.It is excellent, good, general, poor that coating anti-Zn solution adhesion property is divided into from high to low.Coating surface
The attachment of thin film without zinc is for excellent.Again zinc thin film is peeled off from test bar, observe the dropping situations of coating.The coating on test bar surface
The area come off is the least, and coating liquid zinc corrosion resistant is the strongest.Coating liquid zinc corrosion resistant performance be divided into from high to low excellent, good, general,
Difference.After zinc thin film is peeled off, coating is without coming off for excellent.
The liquation of resistance to allumen adhesiveness and the liquation of resistance to allumen corrosivity: the test bar of peek parcel corrosion-resistant finishes, point
Two groups, one of which entirety immerses in the high temperature zinc molten aluminium alloy of 850 DEG C, takes out after stirring 320 hours；Another organizes entirety
Immerse in the high temperature zinc molten aluminium alloy of 870 DEG C, take out after stirring 320 hours.Observe two groups of coating surface zinc-aluminiums after cooling to close
The adhesion amount of gold thin film.Coating surface allumen thin film adhesion amount is the fewest, and the liquation of the resistance to allumen adhesiveness of coating is the strongest.
It is excellent, good, general, poor that the coating liquation of resistance to allumen adhesion property is divided into from high to low.Coating surface is attached without allumen thin film
As excellent.Again allumen thin film is peeled off from test bar, observe the dropping situations of coating.The coating shedding on test bar surface
Area the least, the coating liquation of resistance to allumen corrosivity is the strongest.The coating liquation of resistance to allumen corrosive nature is divided into from high to low
Excellent, good, general, poor.After allumen thin film is peeled off, coating is without coming off for excellent.
Bond strength: corrosion-resistant finishes is sprayed on mating plate end face, face area is S.Stretching is formed by binding agent is bonding
Sample.Use omnipotent mechanics machine that above-mentioned mating plate carries out tension test, maximum load F during record coating shedding.Take
The meansigma methods F ' of five tension test maximum loads, anchoring strength of coating is F '/S.
As shown in Table 4, it is coated with the corrosion-resistant roller of corrosion-resistant finishes, relatively without running roller and the running roller of cladding WC coating of coating cladding,
The liquid of resistance to aluminum, zinc liquid, the cementability of allumen liquation, the liquid of resistance to aluminum, zinc liquid, the corrosivity of allumen liquation, it is greatly improved.
Meanwhile, relatively be coated with WC coating running roller, fracture toughness, microhardness, wear-resistant rate, antioxygenic property, thermal shock resistance properties,
All it is greatly improved with the bond strength of matrix.
Embodiment in the present invention is only used for that the present invention will be described, is not intended that the restriction to right, this area
Interior technical staff it is contemplated that other replacements being substantially equal to, all in scope.
Claims (8)
1. resistant corrosion-resistant spray-coating powder, it is characterised in that include carbide and metal simple-substance；Described carbide includes TiC and WC, also includes one or both in TaC, NbC；Described metal simple-substance includes Co, Ni and Cr；The weight of described carbide accounts for the 53%～74% of described resistant corrosion-resistant spray-coating powder gross weight, and remaining is metal simple-substance；The weight of Cr accounts for the 6%～12% of described resistant corrosion-resistant spray-coating powder gross weight；The gross weight of Co and Ni accounts for the 20%～35% of described resistant corrosion-resistant spray-coating powder gross weight；The weight of WC accounts for the 6%～12% of described resistant corrosion-resistant spray-coating powder gross weight；The gross weight of TaC and NbC accounts for the 5%～10% of described resistant corrosion-resistant spray-coating powder gross weight；Remaining is TiC.
Resistant corrosion-resistant spray-coating powder the most according to claim 1, it is characterised in that anti-Zn solution, aluminum liquid and the corrosion of allumen liquation.
3. the preparation method of resistant corrosion-resistant spray-coating powder, it is characterised in that comprise the following steps:
A. one or both in addition TaC and NbC in TiC and WC, uniformly load crystal vessel and seal after mixing；Crystal vessel is put into vacuum sintering furnace, and regulation pressure is to 20～40MPa, with 40～80oThe ramp of C/min, to 1600～1800 DEG C, is incubated 1～4 hour, makes ceramic block；
B. ceramic block is broken, ball milling, prepares ceramic particle；
C. ceramic particle is uniformly mixed with Co metallic particles, Ni metallic particles, Cr metallic particles, add binding agent and make slurry；After nebulization pelletize, sintering, plasma spheroidization, sub-sieve obtain resistant corrosion-resistant spray-coating powder.
The preparation method of resistant corrosion-resistant spray-coating powder the most according to claim 3, it is characterised in that in described step a, the particle diameter of TiC, WC, TaC or NbC is 1～2 μm.
The preparation method of resistant corrosion-resistant spray-coating powder the most according to claim 3, it is characterised in that in described step b, the particle diameter of the ceramic particle prepared is 1～3 μm.
The preparation method of resistant corrosion-resistant spray-coating powder the most according to claim 3, it is characterised in that in described step c, the particle diameter of Co metallic particles, Ni metallic particles or Cr metallic particles is 1～5 μm.
The preparation method of resistant corrosion-resistant spray-coating powder the most according to claim 3, it is characterised in that the weight of Cr accounts for the 6%～12% of described resistant corrosion-resistant spray-coating powder gross weight；The gross weight of Co and Ni accounts for the 20%～35% of described resistant corrosion-resistant spray-coating powder gross weight；The weight of WC accounts for the 6%～12% of described resistant corrosion-resistant spray-coating powder gross weight；The gross weight of TaC and NbC accounts for the 5%～10% of described resistant corrosion-resistant spray-coating powder gross weight；Remaining is TiC.
The preparation method of resistant corrosion-resistant spray-coating powder the most according to claim 3, it is characterised in that prepared resistant corrosion-resistant spray-coating powder anti-Zn solution, aluminum liquid and the corrosion of allumen liquation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410280772.5A CN104043821B (en) | 2014-06-21 | 2014-06-21 | Resistant corrosion-resistant spray-coating powder and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410280772.5A CN104043821B (en) | 2014-06-21 | 2014-06-21 | Resistant corrosion-resistant spray-coating powder and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104043821A CN104043821A (en) | 2014-09-17 |
| CN104043821B true CN104043821B (en) | 2016-08-24 |
Family
ID=51497487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410280772.5A Active CN104043821B (en) | 2014-06-21 | 2014-06-21 | Resistant corrosion-resistant spray-coating powder and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104043821B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213411B (en) * | 2016-08-03 | 2020-08-25 | 成都锦钛精工科技有限公司 | Coating spraying and 3D printing cermet material based on TiCN-MxC-Co and preparation method thereof |
| CN106216690B (en) * | 2016-08-24 | 2019-01-25 | 洛阳金鹭硬质合金工具有限公司 | A kind of preparation method of reunion slug type thermal spraying tungsten powder |
| WO2019123989A1 (en) * | 2017-12-19 | 2019-06-27 | 日立金属株式会社 | Powder material, powder material for additive manufacturing, and method for producing powder material |
| CN109943845B (en) * | 2019-05-06 | 2021-05-14 | 贵州大学 | A spheroidized MMC composite coating material and its laser cladding method |
| CN111809133B (en) * | 2020-07-23 | 2022-07-01 | 矿冶科技集团有限公司 | A kind of high hardness nickel-based titanium carbide powder and preparation method thereof |
| CN112063954A (en) * | 2020-09-14 | 2020-12-11 | 昆明理工大学 | Method for improving high-temperature oxidation resistance of surface of zirconium alloy |
| CN114700495B (en) * | 2022-04-07 | 2023-09-22 | 西安交通大学 | Non-cracking high-wear-resistance corrosion-resistance nickel-based composite material and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000239860A (en) * | 1999-02-19 | 2000-09-05 | Mitsubishi Heavy Ind Ltd | Method for coating corrosion resistant material and production of corrosion resistant member |
| CN101185969A (en) * | 2006-11-15 | 2008-05-28 | 上海宝钢设备检修有限公司 | Hot spraying metal ceramic powder for stove roller surface coatings |
| CN101316941A (en) * | 2005-08-19 | 2008-12-03 | 杰出金属实业公司 | Hardmetal materials for high-temperature applications |
| CN101862825A (en) * | 2009-04-17 | 2010-10-20 | 上海宝钢设备检修有限公司 | Metal ceramic powder for thermal spraying and preparation method thereof |
| CN102586712A (en) * | 2012-03-11 | 2012-07-18 | 赣州章源钨业新材料有限公司 | Thermal spraying powder for preparing superhigh pressure sealing coating and preparation process thereof |
| CN103225053A (en) * | 2013-05-03 | 2013-07-31 | 赣州澳克泰工具技术有限公司 | WC-Co-Cr thermal spraying powder and its preparation method and application |
| CN103748247A (en) * | 2011-06-10 | 2014-04-23 | 苏舍美特科沃卡有限责任公司 | Tungsten-carbide-based spray powder, and substrate with tungsten-carbide-based thermally sprayed layer |
-
2014
- 2014-06-21 CN CN201410280772.5A patent/CN104043821B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000239860A (en) * | 1999-02-19 | 2000-09-05 | Mitsubishi Heavy Ind Ltd | Method for coating corrosion resistant material and production of corrosion resistant member |
| CN101316941A (en) * | 2005-08-19 | 2008-12-03 | 杰出金属实业公司 | Hardmetal materials for high-temperature applications |
| CN101185969A (en) * | 2006-11-15 | 2008-05-28 | 上海宝钢设备检修有限公司 | Hot spraying metal ceramic powder for stove roller surface coatings |
| CN101862825A (en) * | 2009-04-17 | 2010-10-20 | 上海宝钢设备检修有限公司 | Metal ceramic powder for thermal spraying and preparation method thereof |
| CN103748247A (en) * | 2011-06-10 | 2014-04-23 | 苏舍美特科沃卡有限责任公司 | Tungsten-carbide-based spray powder, and substrate with tungsten-carbide-based thermally sprayed layer |
| CN102586712A (en) * | 2012-03-11 | 2012-07-18 | 赣州章源钨业新材料有限公司 | Thermal spraying powder for preparing superhigh pressure sealing coating and preparation process thereof |
| CN103225053A (en) * | 2013-05-03 | 2013-07-31 | 赣州澳克泰工具技术有限公司 | WC-Co-Cr thermal spraying powder and its preparation method and application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104043821A (en) | 2014-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104043821B (en) | Resistant corrosion-resistant spray-coating powder and preparation method thereof | |
| Shu et al. | Effects of laser power on microstructure and properties of laser cladded CoCrBFeNiSi high-entropy alloy amorphous coatings | |
| Guo et al. | Fe-based amorphous coating for corrosion protection of magnesium alloy | |
| CN104060147B (en) | Corrosion-resistant finishes and its preparation method | |
| CN103866223B (en) | A kind of Fe-based amorphous base composite coating of novel resilient granules strengthening | |
| CN100510182C (en) | Plasma melting coating iron-base amorphous nano-crystalline coat and preparing method thereof | |
| Seraj et al. | The effect of traverse speed on deposition efficiency of cold sprayed Stellite 21 | |
| CA3066822A1 (en) | Iron based alloy suitable for providing a hard and corrosion resistant coating on a substrate, article having a hard and corrosion resistant coating, and method for its manufacture | |
| CN104838024A (en) | Metal powder for thermal spray | |
| Redjdal et al. | Characterization of thermal flame sprayed coatings prepared from FeCr mechanically milled powder | |
| Cinca et al. | Study of stellite-6 deposition by cold gas spraying | |
| JPWO2013132816A1 (en) | Steel sheet for hot pressing, manufacturing method thereof, and manufacturing method of hot press member using the same | |
| EP3642376A1 (en) | Iron based alloy suitable for providing a hard and wear resistant coating on a substrate, article having a hard and wear resistant coating, and method for its manufacture | |
| CN108546891B (en) | A kind of iron-based amorphous/alumina ceramic composite powder and its preparation method and application | |
| CN102453909B (en) | Method for manufacturing bimetallic composite board | |
| CN109351957A (en) | Laser melting coating iron(-)base powder and preparation method thereof | |
| Yang et al. | Effect of Cr3C2 distribution on the wear and corrosion properties of HVOF-sprayed WC–12Co/Cr3C2–25NiCr composite coatings | |
| Xue et al. | Effect of siliconizing with molten salt on the wear resistance and corrosion resistance of AISI 302 stainless steel | |
| Ndumia et al. | Evaluation of thermal shock failure mechanism of arc-sprayed Fe-based coatings deposited on different substrates | |
| Yang et al. | Wear and corrosion properties of HVOF sprayed WC-Cr3C2 composite coating for application in polysilicon cyclone separator | |
| CN1124786A (en) | Composite coating material with nickel base alloy and chromium carbide hard surface and process | |
| Li et al. | Microstructure and properties of CoCrFeNiAlxMo2-x high-entropy alloy coating by laser cladding | |
| Sassatelli et al. | Manufacturing and properties of high-velocity oxygen fuel (HVOF)-sprayed FeVCrC coatings | |
| Zhang et al. | Optimization of HVOF spraying parameters for enhanced Fe-based amorphous coatings: A taguchi approach | |
| CN104120376B (en) | Corrosion-resistant roller and manufacture method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |