CN105349844A - Laser cladding alloy powder with high wear resistance and preparation method thereof - Google Patents
Laser cladding alloy powder with high wear resistance and preparation method thereof Download PDFInfo
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- CN105349844A CN105349844A CN201510842607.9A CN201510842607A CN105349844A CN 105349844 A CN105349844 A CN 105349844A CN 201510842607 A CN201510842607 A CN 201510842607A CN 105349844 A CN105349844 A CN 105349844A
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- 239000000843 powder Substances 0.000 title claims abstract description 110
- 239000000956 alloy Substances 0.000 title claims abstract description 53
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 238000004372 laser cladding Methods 0.000 title abstract 3
- 239000011159 matrix material Substances 0.000 claims abstract description 33
- 239000002245 particle Substances 0.000 claims abstract description 27
- 239000011230 binding agent Substances 0.000 claims abstract description 25
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 238000000498 ball milling Methods 0.000 claims abstract description 15
- 238000012216 screening Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 10
- 230000008018 melting Effects 0.000 claims description 33
- 238000002844 melting Methods 0.000 claims description 33
- 239000011248 coating agent Substances 0.000 claims description 21
- 238000000576 coating method Methods 0.000 claims description 21
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 14
- 229920005989 resin Polymers 0.000 claims description 14
- 238000000889 atomisation Methods 0.000 claims description 11
- 238000005516 engineering process Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 229910052758 niobium Inorganic materials 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000013467 fragmentation Methods 0.000 claims description 6
- 238000006062 fragmentation reaction Methods 0.000 claims description 6
- 239000012453 solvate Substances 0.000 claims description 6
- 229910004261 CaF 2 Inorganic materials 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 239000000470 constituent Substances 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 229910052727 yttrium Inorganic materials 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 230000002708 enhancing effect Effects 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 238000005204 segregation Methods 0.000 claims description 4
- 206010013786 Dry skin Diseases 0.000 claims description 3
- -1 FeB Inorganic materials 0.000 claims description 3
- 229910005347 FeSi Inorganic materials 0.000 claims description 3
- 229910000604 Ferrochrome Inorganic materials 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 150000002910 rare earth metals Chemical class 0.000 claims description 3
- 229920003987 resole Polymers 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- 238000002309 gasification Methods 0.000 claims description 2
- 235000019353 potassium silicate Nutrition 0.000 claims description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910003470 tongbaite Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 238000005253 cladding Methods 0.000 description 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 229920001568 phenolic resin Polymers 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000007712 rapid solidification Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910020203 CeO Inorganic materials 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 208000018875 hypoxemia Diseases 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/057—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being less 10%
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention relates to laser cladding alloy powder with high wear resistance and a preparation method thereof. The laser cladding alloy powder is characterized in that the alloy powder is prepared from matrix alloy powder, hard oxide particles and a binder, and the matching ratio is as follows: 50-98 percent of the matrix alloy powder, 1-45 percent of mixture powder of more than one or two of Al2O3 or Cr3C2 and ZrO2 and 1-5 percent of the binder. The preparation method comprises the following steps: matrix alloy powder preparing, oxide particle adding, binder adding, stirring, ball milling, powder combining, drying, crushing and screening.
Description
Technical field
The present invention relates to a kind of cladding alloy powder and preparation method thereof, particularly a kind of laser melting coating high-wear-resistant alloy powder and preparation method thereof, this high-wear-resistant alloy powder is applicable to laser melting coating high abrasion operating mode component.
Background technology
In the daily life and industrial production in modern times, the attrition and attack of metallic substance appears in every field, one of the two large major ways destroying component of machine, engineering component, corrosion will cause a large amount of consumption of mechanical component, and wearing and tearing are then one of major reasons causing mechanical component to lose efficacy.They, while a large amount of metallic substance of loss, waste ample resources, occupy very large proportion in financial loss.
Laser melting coating is the technology of emerging a, fast development, it is under high energy density laser bundle irradiates, matrix surface skim melts with the alloy added as required simultaneously, forming thickness is 10 ~ 1000 μm of surface melting layers, the processing method that rapid solidification requires to meet a certain property, be a new technology of material interaction and the multi-crossed disciplines such as rapid solidification is shaping in set laser heat fused, molten bath, this technology obtains more careful research in surface treatment.
The state of laser melting coating layer material generally has Powdered, thread, paste etc.In addition also can using sheet metal, sintered metal product, steel band and welding rod etc. as cladding material, wherein powdered alloy is most widely used in laser melting and coating technique.
Although adopt matrix material to carry out laser melting coating can prepare high performance composite coating, but to be domesticly mostly still in the research in laboratory at present, and its preparation technology adopts the WC powder of nickel-based self-fluxing alloy with certain content to mix in laboratory, then saturated turps or homemade organic binder bond is added, furnishing slip or paste, precoating is overlying on workpiece, then carries out laser melting coating or sintering.Its hard particles added is comparatively large, density is different from matrix metal, and the distribution of particle in cladding layer is often uneven, usually presents Gradient distribution; Added particulate material and the wettability of matrix, stability, the coefficient of expansion and chemical reactivity etc. all cause the ununiformity of the microstructure and property of cladding layer.And prepared combination powder differs greatly due to each constituent element proportion, thus easily produces segregation in storage, transport and use procedure.Cannot commercialization supply be carried out, commercially there is not yet the merchandise sales of particle reinforce laser melting coating special powder at present.For above-mentioned reasons, there is not yet laser melting coating special combination powder so far, thus constrain the application of laser melting coating on high abrasion operating mode field.
Summary of the invention
The object of the invention is to avoid above-mentioned deficiency of the prior art, develop and a kind ofly can meet a kind of laser melting coating high-wear-resistant alloy powder required under engineering machinery serious abrasive wear working condition and preparation method thereof.
For achieving the above object, the present invention and can add hard compounds and corresponding technology of preparing scheme and realizes by the design of following basic chemical composition:
A kind of laser melting coating high-wear-resistant alloy powder provided by the present invention is made up of matrix alloy powder and oxide compound hard particles and binding agent, and its proportioning is: 50 ~ 98% matrix alloy powder, the Al of 1 ~ 45%
2o
3or Cr
3c
2, ZrO
2the combined hybrid body powder of one of them or more than two kinds, the binding agent of 1 ~ 5% is prepared into combination powder; Wherein the chemical composition of matrix alloy and mass percent thereof are;
0.2 ~ 1%C, 1 ~ 5%Si, 2 ~ 3.0%B, 1.0 ~ 1.5%Mn, 3 ~ 10%Cr, 2 ~ 5%V, 3 ~ 5%Mo, 0.3 ~ 1%Nb, < 15%Fe, 0.1 ~ 1.2%MgO, 1 ~ 2%CaF
2, CeO
2, Y
3o
2, La
2o
3combination≤1% of one of them or more than two kinds, Ni surplus and inevitable impurity element;
Oxide particle provided by the present invention strengthens laser melting coating high-wear-resistant nickel base alloy powder and preparation method thereof, and its step of preparation process is:
Matrix alloy powder preparation → add gasification composition granule → interpolation binding agent → stirring ball-milling → combination powder → drying → fragmentation → screening; Concrete technology step is as follows:
(1) matrix alloy preparation
The technical process of matrix alloy powder preparation is: batching → melting → atomization → drying → screening;
Batching: raw material is pure nickel, Graphite Powder 99, FeCr, FeB, FeSi, W, Mo, Nb, Co, Rare-Earth Ce and Y;
Melting: the above-mentioned raw material prepared is carried out melting in vacuum induction furnace or medium-frequency induction furnace, and temperature of fusion is about 1250 DEG C-1350 DEG C, controls carbon content and reaches requirement, after stokehold adjusting component is qualified, and tapping temperature 1200 ~ 1300 DEG C;
Atomization: adopt indifferent gas or hydraulic atomized, atomization aperture 5 ~ 10mm, atomizing pressure, 10 ~ 14MPa;
Dry: equipment used is coated infrared drier, and bake out temperature is 220 DEG C ~ 300 DEG C;
Screening: sift out size range for+200 order ~-350 object powder are as finished powder by powder shifter;
(2) carbide particle is added
Choose size range for the commercially available Al of+200 order ~-350 object
2o
3or Cr
3c
2, ZrO
2the combined hybrid body powder of one of them or more than two kinds is as enhancing hard particles;
(3) binding agent is added
Adopt the resol of heat curing-type, epoxy resin or water glass to make binding agent, add pimelinketone or methanol solvate, make it be dissolved into resin solution;
(4) stirring ball-milling
By the matrix alloy powder for preparing and Al
2o
3or Cr
3c
2, ZrO
2the combined hybrid body powder of one of them or more than two kinds is as enhancing hard particles; After being configured according to required ratio with binding agent, pouring in agitating ball mill, make it be dissolved into resin solution in pimelinketone or methanol solvate the resin dissolves of required dosage; Pour in the powder mix of required process in ball mill after stirring; join in agitating ball mill after the abrading-ball of sphere diameter 10 ~ 20mm is prepared according to 2:1 ~ 3:1 ratio of grinding media to material; start agitating ball mill; through the abundant stirring ball-milling of 5 ~ 60 hours; the each component of powder mix and resin liquid are all evenly distributed; each constituent element powder particle is wrapped up, and is bonded together, be prepared into combination powder;
(5) dry
Combination powder good for ball milling is poured out from ball mill, then through 150 DEG C ~ 200 DEG C dryings;
(6) broken and screening
Dried combination powder is carried out fragmentation, sifts out size range for+200 order ~-350 object powder are respectively as finished powder by powder shifter, obtain required composition, desired particle size grade and don't the combination powder of solute segregation can occur.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment one
A kind of laser melting coating high-wear-resistant alloy powder and preparation method thereof, this laser melting coating high-wear-resistant nickel base alloy powder is made up of matrix alloy powder and oxide compound hard particles and binding agent, and its proportioning is: 70% matrix alloy powder, the Al of 29%
2o
3, the phenolic resin adhesive of 1% is prepared into combination powder; Wherein the chemical composition of matrix alloy and mass percent thereof are;
This alloy ingredient is 1%C, 3%Si, 2%B, 4%Cr, 4.0%V, 4%Mo, 1.20%Mn, 0.5%Nb, 10%Fe, 0.1%MgO, 0.5%CaF
2, 0.2%CeO
2, 0.2%Y
3o
2, 0.2%La
2o
3, Ni surplus;
Its manufacturing technology steps:
Matrix alloy powder preparation → interpolation oxide particle → interpolation binding agent → stirring ball-milling → combination powder → drying → fragmentation → screening; Concrete technology step is as follows:
(1) matrix alloy preparation
The technical process of matrix alloy powder preparation is: batching → melting → atomization → drying → screening;
Batching: raw material is pure nickel, Graphite Powder 99, FeCr, FeB, FeSi, W, Mo, Nb, Co, Rare-Earth Ce and Y; By C, Si, B, Cr, Cu, Sn, Fe, MgO, CaF
2, CeO
2, Y
3o
2, La
2o
3, Ni by above-mentioned weight percent proportioning, get out the starting material making matrix metal powder.
Melting: start vacuum induction intermediate frequency furnace, by the requirement of melting technology, put into metal and start melting, the metal of general easy oxidation was put in the later stage of fusing.Temperature of fusion about controls at 1250-1300 DEG C; When the metal of this stove all after fusing, carries out slag making in stove, remove the impurity in molten metal, then enter refining period and carry out refining, add reductor before cast and carry out deoxidation, control carbon content and reach requirement, after stokehold adjusting component is qualified, tapping temperature controls at 1200 ~ 1300 DEG C.
Atomization: alloy liquid qualified for melting is poured in cone bottom pour ladle, start the atomization carrying out metal-powder, open high-pressure inert gas, using the high pressure gas from gas cylinder as air knife, after the constraint of leting slip a remark that aperture is 5 ~ 10mm, the molten metal bath stream of a thread is become to carry out cutting atomization to after fusing, atomizing pressure 10 ~ 14MPa, by molten drop small for metal atomization poling, final set becomes powdered alloy.Metal-powder after solidifying, the still quite easily oxidation when high temperature, so must allow its cool to room temperature under the environment of anaerobic or hypoxemia, could reduce the oxygen level of powder.Normal nebulisation time was at about 5 ~ 20 minutes.
Dry: equipment used is coated infrared drier, bake out temperature about 250 DEG C, dried metal-powder, the chemical examination of Chemical Composition is carried out in first sampling, proceeds to next procedure after qualified.
Screening: sift out size range for+200 order ~-350 object powder are as finished powder by powder shifter.
(2) oxide particle is added
Choose size range for the commercially available Al of-300 object
2o
3powder is as enhanced granule;
(3) binding agent is added
Adopt the resol of heat curing-type to make binding agent, add cyclohexanone solvent, make it be dissolved into resin solution;
(4) stirring ball-milling
By the matrix alloy powder for preparing and Al
2o
3after powder and binding agent are configured according to above-mentioned ratio; pour in agitating ball mill; in cyclohexanone solvent, it is made to be dissolved into resin solution the phenol formaldehyde resin dissolves of 1% heat curing-type; pour in the powder mix of the required process in ball mill after stirring; join in agitating ball mill after the abrading-ball of sphere diameter 12mm is prepared according to 2:1 ratio of grinding media to material; through the abundant stirring ball-milling of 30 hours; the each component of powder mix and resin liquid are all evenly distributed; each constituent element powder particle is wrapped up; and be bonded together, be prepared into combination powder;
(5) dry
Combination powder good for ball milling is poured out from ball mill, then through 180 DEG C of dryings;
(6) broken and screening
Dried combination powder is carried out fragmentation, sifts out size range for+150 order ~-350 object powder are as finished powder by powder shifter, obtain required composition, desired particle size grade and don't the combination powder of solute segregation can occur.
Sieve by the requirement of user, packaging warehouse-in.
Embodiment two
A kind of laser melting coating high-wear-resistant alloy powder and preparation method thereof, this laser melting coating high-wear-resistant alloy powder is made up of matrix alloy powder and carbide hard particles and binding agent, its proportioning is: 80% matrix alloy powder, the TiC of 17%, and the epoxy adhesive of 3% is prepared into combination powder; Wherein the chemical composition of matrix alloy and mass percent thereof are;
This alloy ingredient is 0.4%C, 2.5%Si, 2.5%B, 4.5%Cr, 5.0%V3%Mo, 1.0%Mn, 0.7%Nb, 12%Fe, 0.15%MgO, 0.9%CaF
2, 0.25%CeO
2, 0.25%Y
3o
2, 0.25%La
2o
3ni surplus.
(2) oxide particle is added
Choose size range for the commercially available ZrO of-300 object
2powder is as enhanced granule;
(3) binding agent is added
Adopt the epoxy resin of heat curing-type to make binding agent, add methanol solvate, make it be dissolved into resin solution;
(4) stirring ball-milling
By the matrix alloy powder for preparing and ZrO
2after powder and binding agent are configured according to above-mentioned ratio; pour in agitating ball mill; in methanol solvate, it is made to be dissolved into resin solution the phenol formaldehyde resin dissolves of 3% heat curing-type; pour in the powder mix of the required process in ball mill after stirring; join in agitating ball mill after the abrading-ball of sphere diameter 16mm is prepared according to 3:1 ratio of grinding media to material; through the abundant stirring ball-milling of 20 hours; the each component of powder mix and resin liquid are all evenly distributed; each constituent element powder particle is wrapped up; and be bonded together, be prepared into combination powder;
Its preparation method is identical with embodiment one.
Claims (1)
1. laser melting coating high-wear-resistant alloy powder and preparation method thereof, it is characterized in that: laser melting coating high-wear-resistant alloy powder is made up of matrix alloy powder and oxide compound hard particles and binding agent, its proportioning is: 50 ~ 98% matrix alloy powder, the Al of 1 ~ 45%
2o
3or Cr
3c
2, ZrO
2the combined hybrid body powder of one of them or more than two kinds, the binding agent of 1 ~ 5% is prepared into combination powder; Wherein the chemical composition of matrix alloy and mass percent thereof are;
0.2 ~ 1%C, 1 ~ 5%Si, 2 ~ 3.0%B, 1.0 ~ 1.5%Mn, 3 ~ 10%Cr, 2 ~ 5%V, 3 ~ 5%Mo, 0.3 ~ 1%Nb, < 15%Fe, 0.1 ~ 1.2%MgO, 1 ~ 2%CaF
2, CeO
2, Y
3o
2, La
2o
3combination≤1% of one of them or more than two kinds, Ni surplus and inevitable impurity element;
Oxide particle provided by the present invention strengthens laser melting coating high-wear-resistant nickel base alloy powder and preparation method thereof, and its step of preparation process is:
Matrix alloy powder preparation → add gasification composition granule → interpolation binding agent → stirring ball-milling → combination powder → drying → fragmentation → screening; Concrete technology step is as follows:
(1) matrix alloy preparation
The technical process of matrix alloy powder preparation is: batching → melting → atomization → drying → screening;
Batching: raw material is pure nickel, Graphite Powder 99, FeCr, FeB, FeSi, W, Mo, Nb, Co, Rare-Earth Ce and Y;
Melting: the above-mentioned raw material prepared is carried out melting in vacuum induction furnace or medium-frequency induction furnace, and temperature of fusion is about 1250 DEG C-1350 DEG C, controls carbon content and reaches requirement, after stokehold adjusting component is qualified, and tapping temperature 1200 ~ 1300 DEG C;
Atomization: adopt indifferent gas or hydraulic atomized, atomization aperture 5 ~ 10mm, atomizing pressure, 10 ~ 14MPa;
Dry: equipment used is coated infrared drier, and bake out temperature is 220 DEG C ~ 300 DEG C;
Screening: sift out size range for+200 order ~-350 object powder are as finished powder by powder shifter;
(2) carbide particle is added
Choose size range for the commercially available Al of+200 order ~-350 object
2o
3or Cr
3c
2, ZrO
2the combined hybrid body powder of one of them or more than two kinds is as enhancing hard particles;
(3) binding agent is added
Adopt the resol of heat curing-type, epoxy resin or water glass to make binding agent, add pimelinketone or methanol solvate, make it be dissolved into resin solution;
(4) stirring ball-milling
By the matrix alloy powder for preparing and Al
2o
3or Cr
3c
2, ZrO
2the combined hybrid body powder of one of them or more than two kinds is as enhancing hard particles; After being configured according to required ratio with binding agent, pouring in agitating ball mill, make it be dissolved into resin solution in pimelinketone or methanol solvate the resin dissolves of required dosage; Pour in the powder mix of required process in ball mill after stirring; join in agitating ball mill after the abrading-ball of sphere diameter 10 ~ 20mm is prepared according to 2:1 ~ 3:1 ratio of grinding media to material; start agitating ball mill; through the abundant stirring ball-milling of 5 ~ 60 hours; the each component of powder mix and resin liquid are all evenly distributed; each constituent element powder particle is wrapped up, and is bonded together, be prepared into combination powder;
(5) dry
Combination powder good for ball milling is poured out from ball mill, then through 150 DEG C ~ 200 DEG C dryings;
(6) broken and screening
Dried combination powder is carried out fragmentation, sifts out size range for+200 order ~-350 object powder are respectively as finished powder by powder shifter, obtain required composition, desired particle size grade and don't the combination powder of solute segregation can occur.
Priority Applications (1)
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|---|---|---|---|
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| CN106077650A (en) * | 2016-08-22 | 2016-11-09 | 合肥东方节能科技股份有限公司 | A kind of method of laser melting coating composite hard alloy powder compacting foreplate |
| CN106077648A (en) * | 2016-08-22 | 2016-11-09 | 合肥东方节能科技股份有限公司 | A kind of method printing composite hard alloy powder compacting guide wheel based on 3D |
| CN106077649A (en) * | 2016-08-22 | 2016-11-09 | 合肥东方节能科技股份有限公司 | A kind of method of rapid shaping composite hard alloy powder compacting Roll Collar |
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| CN107513643A (en) * | 2017-10-29 | 2017-12-26 | 吉林大学 | Laser melting coating Co-base alloy material and product |
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| CN106077649A (en) * | 2016-08-22 | 2016-11-09 | 合肥东方节能科技股份有限公司 | A kind of method of rapid shaping composite hard alloy powder compacting Roll Collar |
| CN106077649B (en) * | 2016-08-22 | 2018-04-10 | 合肥东方节能科技股份有限公司 | A kind of method of rapid shaping composite hard alloy powder compacting Roll Collar |
| CN106077648B (en) * | 2016-08-22 | 2018-04-10 | 合肥东方节能科技股份有限公司 | A kind of method based on 3D printing composite hard alloy powder compacting guide wheel |
| CN106077650B (en) * | 2016-08-22 | 2018-05-18 | 合肥东方节能科技股份有限公司 | A kind of method of laser melting coating composite hard alloy powder compacting foreplate |
| CN106077650A (en) * | 2016-08-22 | 2016-11-09 | 合肥东方节能科技股份有限公司 | A kind of method of laser melting coating composite hard alloy powder compacting foreplate |
| CN106916999A (en) * | 2017-03-31 | 2017-07-04 | 安徽再制造工程设计中心有限公司 | A kind of Ni original washing powders production technology |
| CN107513643B (en) * | 2017-10-29 | 2019-04-02 | 吉林大学 | Laser melting coating Co-base alloy material and product |
| CN107513643A (en) * | 2017-10-29 | 2017-12-26 | 吉林大学 | Laser melting coating Co-base alloy material and product |
| CN109954885A (en) * | 2017-12-25 | 2019-07-02 | 中国石油化工股份有限公司 | A kind of increasing material manufacturing composite powder and preparation method thereof |
| CN108127123A (en) * | 2018-01-16 | 2018-06-08 | 武汉理工大学 | A kind of composite coating material applied to semimetal iron-based brake block and preparation method thereof |
| CN109440101A (en) * | 2018-10-30 | 2019-03-08 | 北京奥邦新材料有限公司 | A kind of composite ceramic powder for laser melting coating potassium steel material |
| CN112643024A (en) * | 2020-12-15 | 2021-04-13 | 上海海事大学 | Preparation method of cobalt-based alloy powder for protecting ice-breaking belt on polar ice-breaking ship |
| CN114214554A (en) * | 2021-11-17 | 2022-03-22 | 哈尔滨工业大学（威海） | A kind of nickel-based superalloy powder and preparation method applied to hollow turbine blade |
| CN117286493A (en) * | 2023-11-27 | 2023-12-26 | 太原理工大学 | Laser cladding nickel-aluminum-based wear-resistant coating and preparation method thereof |
| CN117286493B (en) * | 2023-11-27 | 2024-02-20 | 太原理工大学 | Laser cladding nickel-aluminum-based wear-resistant coating and preparation method thereof |
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