CN104943269A - Locally reinforced hot-rolled zinc-aluminum plated steel plate and manufacturing method thereof - Google Patents
Locally reinforced hot-rolled zinc-aluminum plated steel plate and manufacturing method thereof Download PDFInfo
- Publication number
- CN104943269A CN104943269A CN201410118082.XA CN201410118082A CN104943269A CN 104943269 A CN104943269 A CN 104943269A CN 201410118082 A CN201410118082 A CN 201410118082A CN 104943269 A CN104943269 A CN 104943269A
- Authority
- CN
- China
- Prior art keywords
- zinc
- steel plate
- aluminum
- plated steel
- local
- 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.)
- Granted
Links
Landscapes
- Other Surface Treatments For Metallic Materials (AREA)
- Coating With Molten Metal (AREA)
Abstract
The invention discloses a locally reinforced hot-rolled aluminum-zinc plated steel plate and a manufacturing method thereof. The locally reinforced hot-rolled aluminum-zinc plated steel plate comprises a matrix and a plating, wherein the interface between the plating and the matrix of the zinc-aluminum plated steel plate comprises a non-continuously distributed and locally diffused reinforced zone composed of an iron-zinc compound and an iron-aluminum compound. Compared with a normal hot-dipping zinc plated or zinc-aluminum plated plate, by controlling the formation and distribution of the metal compounds in the interface, the local interface reinforced zone is formed and has relative good adhesion strength and forming performance. The manufacturing method comprises the steps of pre-treatment of the hot-rolled steel plate, cold spraying of zinc-aluminum and post thermal treatment. By adopting the method, the effects of acidless descaling as well as fining and roughening of surface grains are synchronously realized; the method is high in efficiency, slight in pollution and environment-friendly; the plating is strong in adaptability and wide in product range.
Description
Technical field
The present invention relates to steel sheet product surfacecti proteon field, particularly a kind of local strengthening zinc-aluminium-alloy hot rolled strip and manufacture method thereof.
Background technology
Steel sheet product plating zinc on surface or kirsite are one of a kind of the most frequently used, the most effective means of defences, and industrial particularly automobile, household electrical appliances industry have a very wide range of applications.Along with improving constantly of electric power, railway and military project industrial expansion and effects on surface barrier propterty, simple galvanizing production can not meet the demands in anti-corrosion, mechanical properties, with Galvalume(55%Al-43.4% zinc-1.6%Si) and Galfan (zinc-5%Al0.1%RE) hot dipping of zinc-aluminum alloy that is representative become the Main way of hot dip industrial development gradually.Zinc aluminum alloy coating combines the advantage of fine aluminium corrosion resistance of coating and pure zinc coating anode loss protection, and atmospheric corrosion resistance, seawater corrosion and high temperature oxidation resistance significantly improve.
Application number 201010205272.7 patent discloses a kind of zinc-magnesium or zinc-aluminum-magnesium clad steel sheet production method and zinc-aluminum-magnesium clad steel sheet thereof, cold spraying treatment facility is utilized to carry out cold spraying magnesium or magnesium alloy powder to galvanized steel plain sheet, then under restitutive protection's atmosphere, steel plate is heat-treated in continuous annealing furnace, immediately room temperature is cooled to coating after heating, obtain zinc-aluminum-magnesium clad steel sheet and contain magnalium at coating surface, the inner aluminum and magnesium content of coating reduces gradually, with the precoated steel sheet of steel plate binding site based on pure zinc plating, corrosion resistance, processing characteristics and surface quality good.The patent of application number 201110119690.9 discloses a kind of anti-corrosive metal coating and electric arc spraying process thereof, the anti-coating of paying of metal comprises allumen bottom, fine aluminium intermediate layer and seal coat surface layer, the thickness of allumen bottom is 100 μm, 80-100 μm, fine aluminium intermediate layer, seal coat surface layer thickness 70-90 μm, lacquer painting layer material is fluorine carbon finishing paint.Allumen bottom, pure aluminum metal middle level adopt the mode of secondary-atomizing electric arc metal to spray, and sealing surface enamelled coating adopts spraying method to carry out.The preparation method that patent discloses a kind of FeAl of resistance to corrode intermetallic compound base composite structure coating of application number 201010596519.2, with Fe, Al and ceramic particle are raw material, alloy powder is prepared with ball grinding method, adopt cold spraying in substrate deposit coating, FeAl intermetallic compound base composite structure coating is prepared by heat treatment, under certain partial pressure of oxygen, make its surface form the Al2O3 film of one deck even compact, the coating self that the method obtains has good high-temperature wearable and damages performance and resistance to zinc (Al) corrosive nature, be mainly used in the industries such as steel galvanization.The patent of application number JP59009162A provides a kind of preparation method of surface of steel plate anti-corrosion coating, first with sandblasting or other method wire alligatoring surface of steel plate, then at surface of steel plate spraying zinc, Al or alloy coat, spraying method is cold conditions spraying, stick to surface of steel plate by compressed air-driven after tiny sacrificed anticathode material (as zinc) electric discharge fusing, there is very high iron-resistant rust ability.The patent of application number CN200480001145.8 provides the excellent alloyed hot-dip galvanized steel sheet of a kind of adherence of coating of relatively former material steel plate and manufacture method thereof it is characterized in that, on the interface of alloyed hot-dip zinc coating with the former material steel plate of this alloyed hot-dip zinc coating of formation, spacing is less than 0.5 μm and has the concavo-convex of more than the 10nm degree of depth have more than 1 in the interface length of every 5 μm.
In above-mentioned technology, generally original plate is all had higher requirements, the zinc-aluminum alloy coating preparation of hot rolled plate surface cannot be realized.As everyone knows, the interface processing of coating and matrix is the weakest link of coating technology, mainly utilize interface to prepare transition metal layer or the mechanical method crossing alligatoring in above-mentioned technology, improve the adhesive force of coating and matrix, the preparation of transition zone adds the complexity of coating process.Cold air dynamic spraying technology can temperature lower than sprayed on material fusing point solid-state under prepare zinc-aluminum alloy coating at surface of steel plate, density is high, and to powder particle without heat affecting, the coating performance of preparation is substantially identical with feedstock property.This invention technology, by cold spraying and follow-up suitable Technology for Heating Processing, forms one deck self local diffusion reinforced structure in coating and basal body interface, greatly improves machinery and embeds in conjunction with poor feature, shortened process.
Summary of the invention
In order to solve the problem, the object of the present invention is to provide a kind of hot rolling zinc/aluminum-plated steel plate with localized interface reinforced structure, compared with conventional hot dip zinc or zinc-aluminium plate, by the formation and distribution of control inerface intermetallic compound, form localized interface strengthening region, there is good adhesive strength and forming property.The object of the invention also provides a kind of localized interface to strengthen the manufacture method of hot rolling zinc/aluminum-plated steel plate, comprise hot rolled steel plate pretreatment, cold spraying zinc-aluminium and subsequent heat treatment, synchronously can realize anacidity de-scaling, surface grain refinement and alligatoring effect, efficiency is high, pollute little, environmental friendliness; Coating strong adaptability, product scope is extensive.
Technical solution of the present invention is as follows: a kind of local strengthening hot rolling zinc/aluminum-plated steel plate, comprise substrate and coating, there is the local diffusion strengthening region of discontinuous distribution in the coating of described zinc/aluminum-plated steel plate and substrate interface, effective enhancing coating adhesion, described discontinuous enhanced dispersion region is made up of iron zinc compound and iron aluminide.
Local strengthening hot rolling zinc/aluminum-plated steel plate of the present invention, preferably, described hot rolling zinc/aluminum-plated steel plate is followed successively by hot rolled steel plate matrix, local iron zinc compound layer, local iron aluminide layer and zinc-aluminium coating from described matrix to coating.
Local strengthening hot rolling zinc/aluminum-plated steel plate of the present invention, preferably, described steel plate thickness is 2-10mm, preferred 4-5mm.
Local strengthening hot rolling zinc/aluminum-plated steel plate of the present invention, preferably, local iron zinc compound layer thickness is less than 15 μm, and local iron aluminide layer thickness is less than 30 μm.
The present invention also provides a kind of preparation method of local strengthening hot rolling zinc/aluminum-plated steel plate, comprises the steps:
First carry out pretreatment descaling to hot rolled sheet metal surface and introduce superfine grained structure, acquisition crystallite dimension is less than 1 μm and roughness reaches Ra0.6-2.0 μm, the activating surface of preferred roughness Ra 1.0-1.2 μm; Secondly at the zinc-aluminum alloy coating of pretreated hot rolled sheet metal surface cold spraying deposition 50-200 μm; Finally zinc-aluminium-alloy hot rolled plate is carried out to 380-450 DEG C, is incubated the diffusion annealing of 5-120min, obtain discontinuous local diffusion stiffened region;
The crystallite dimension of described superfine grained structure is less than 1 μm, preferred size 27-100nm.
The described zinc-aluminum alloy coating depositing preferred 100-150 μm in pretreated hot rolled sheet metal surface cold spraying.
Described preferred 400-420 DEG C, the diffusion annealing of preferred insulation 30-100min are carried out to zinc-aluminium-alloy hot rolled plate.
The preparation method of local strengthening hot rolling zinc/aluminum-plated steel plate of the present invention, preferably, the described surface through pretreatment steel plate forms one deck hardness gradient transition region, and case hardness improves more than 30% than heart portion, and transition region thickness is greater than 100 μm.
The preparation method of local strengthening hot rolling zinc/aluminum-plated steel plate of the present invention, preferably, the carrier gas of described cold spraying allumen is compressed air or nitrogen, described nebulizer gas pressure is 0.5-2.5MPa, carrier gas temperature 0-300 DEG C, hello the powder speed 50-300g/min of described cold spraying allumen, preferably feeds powder speed 130-160g/min.
The preparation method of local strengthening hot rolling zinc/aluminum-plated steel plate of the present invention, preferably, in described cold spraying allumen process, in cold spraying zinc-aluminium powder, Al constituent content is 5-35wt.%.
The preparation method of local strengthening hot rolling zinc/aluminum-plated steel plate of the present invention, preferably, in described cold spraying allumen, the powder stock of zinc-aluminium is spherical or elliposoidal, wherein particle diameter is the volume ratio of 15-50 μm is 50-70%, preferred 60-68%, particle diameter is the volume ratio of 50-80 μm is 20-30%, and preferred 21-24%, all the other grain diameters are 80-100 μm.
The preparation method of local strengthening hot rolling zinc/aluminum-plated steel plate of the present invention, preferably, with stove cooling after described temperature retention time completes, more than 200 DEG C cooldown rates are less than 10 DEG C/min, and 200 DEG C are greater than 20 DEG C/min; Further preferably more than 200 DEG C cooldown rates are less than 8 DEG C/min, and 200 DEG C are greater than 25 DEG C/min.
The preparation method of local strengthening hot rolling zinc/aluminum-plated steel plate of the present invention, described hot rolling galvanized aluminium board heat treatment environment is vacuum or reducing atmosphere.
In preparation method of the present invention, heat treatment process heats with stove, and the rate of heat addition is greater than 10 DEG C/min.
Removing oxide layer in preparation method of the present invention utilizes the gas-solid two phase jet flow of high speed to impact hot rolled sheet metal surface removing iron scale, exempts pickling process, reduces environmental pollution.
Preparation method's light plate surface of the present invention Ultra-fine Grained (nanocrystalline) layer, alligatoring and de-scaling synchronously complete, and efficiency is high.
The manufacture method of a kind of local strengthening hot rolling zinc/aluminum-plated steel plate of the present invention, first described method carries out pretreatment to hot rolled plate surface, synchronous descaling and introduce crystallite dimension and be less than 1 μm, the degree of depth superfine grained structure that is greater than 10 μm, obtains roughness and reaches Ra0.6-2.0 μm of activating surface; Then at the zinc-aluminum alloy coating of pretreated hot rolled plate surface cold spraying deposition 50-200 μm; Finally zinc-aluminium-alloy hot rolled plate is carried out to 380-450 DEG C, is incubated the diffusion annealing of 5-120min, obtain discontinuous local diffusion stiffened region.
Described pretreatment surface of steel plate forms one deck hardness gradient transition region, and case hardness comparatively heart portion improves more than 30%, and transition region thickness is greater than 100 μm, the compatible deformation performance of efficient hardening coating and matrix;
The carrier gas of described cold spraying zinc-aluminium is compressed air or nitrogen, and nebulizer gas pressure is 0.5-2.5MPa, carrier gas temperature 0-300 DEG C, feeds powder speed 50-300g/min, effectively can avoid " gun barrel blocking " phenomenon in this processing range.
In described cold spraying zinc-aluminium powder, Al constituent content is 5-35wt.%.
Described cold spraying aluminum zinc powder powder stock is spherical or elliposoidal, and wherein particle size range 15-50 μm of volume ratio is the volume ratio of 50-70%, 50-80 μm is 20-30%, and all the other particles are 80-100 μm.
Local strengthening zinc-aluminium-alloy hot rolled steel plate adhesive force more conventional cold spray technique in interface of the present invention improves more than 20%, more excellently reaches more than 40%, and adhesion strength significantly improves, and plasticity is significantly improved, bending resistance distortion raising more than 30%, more excellently reaches more than 60%.
Advantageous Effects of the present invention:
Hot rolling zinc/aluminum-plated steel plate and the preparation method with localized interface reinforced structure provided by the invention, local strengthening zinc-aluminium-alloy hot rolled steel plate adhesive force more conventional cold spray technique in described interface improves more than 20%, adhesion strength significantly improves, plasticity is significantly improved, bending resistance distortion raising more than 30%; At the ultra-fine grained structure that substrate preprocessing process is introduced at hot rolled sheet metal surface, increase substantially crystal boundary ratio, the advantage of crystal boundary high diffusivity passage can have been made full use of, made diffusion region formation efficiency higher; The feature of the allumen distribution of present component, avoids the too much brittlement phase in interface and is formed, by controlling Technology for Heating Processing, realizing the ratio of local diffusion stiffened region, interface, thus greatly improving the compatible deformation ability of zinc-aluminium-alloy hot rolled steel plate.
Accompanying drawing explanation
Fig. 1 is hot rolled steel plate pretreatment rear surface fine schematic diagram, and the ultra-fine grained structure that design surface is special, can improve the diffuser efficiency between coating and matrix, realize local diffusion strengthening effect under lower temperature;
Fig. 2 localized interface strengthening schematic diagram, by design local diffusion zone, improves interface bond strength, avoids the formation of the brittle cracking that metal compound layer that is continuous, fragility causes simultaneously;
Fig. 3 pretreatment IF steel plate ultra-fine crystalline region performance change curve, object introduces performance transition region, makes coating and the matrix coordination ability when being out of shape more excellent;
Fig. 4 surface of steel plate cold spraying allumen section S EM photo, coating layer thickness about 100 μm, without diffusion stiffened region between cold spraying state zinc-aluminium/IF steel matrix;
The zinc-plated aluminothermy of Fig. 5 rolls IF steel plate localized interface strengthening SEM figure, by controlling Technology for Heating Processing, between zinc-aluminium/IF steel matrix, forms local diffusion stiffened region.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further elaborated, it will be appreciated by those skilled in the art that described embodiment is only for example, and do not form any restriction to the present invention.
A kind of hot rolling zinc/aluminum-plated steel plate and manufacture method thereof with localized interface reinforced structure, comprise the steps: first to carry out pretreatment to hot rolled plate surface, synchronous descaling and introduce crystallite dimension and be less than 1 μm, the degree of depth superfine grained structure that is greater than 10 μm, obtain roughness and reach Ra0.6-2.0 μm of activating surface, schematic diagram as shown in Figure 1; Then at the zinc-aluminum alloy coating of pretreated hot rolled plate surface cold spraying deposition 50-200 μm; Finally zinc-aluminium-alloy hot rolled plate is carried out to 380-450 DEG C, is incubated the diffusion annealing of 5-120min, obtain discontinuous local diffusion stiffened region, interface diffusion schematic diagram as shown in Figure 2.
Embodiment 1
Substrate is Hot-rolled IF steel, thickness 4mm.The gas-solid two-phase flow that substrate surface pretreatment adopts compressed air and alumina balls to form, high velocity bombardment removes surface scale, acquisition surface layer grain size 30nm, roughness are Ra1.2 μm of surface, thin crystal layer thickness 15 μm, case hardness 2.1GPa, centre hardness 1.6GPa, from surface to the variation tendency of heart portion steel plate hardness as shown in Figure 3, the harmony that difference of hardness improves steel matrix and coating shape is introduced on surface.The zinc-aluminum alloy coating of 100 μm is deposited in the cold spraying of above-mentioned pretreatment surface of steel plate, cold spray state coating cross sections pattern as shown in Figure 4, driving gas and carrier gas are industrial nitrogen, pressure is 2.2MPa, powder stock particle size range 15-50 μm ratio used is the ratio of 68%, 50-80 μm is 21%, and all the other particles are 80-100 μm, feeding powder speed is 160g/min, effectively avoids particle in spraying process to adhere to.Above-mentioned zinc-plated aluminium IF steel plate is heat-treated, environment is vacuum, heat treatment temperature is 400 DEG C, temperature retention time is 100min, the rate of heat addition is 10 DEG C/min, 400 DEG C-200 DEG C section cooldown rates, 5 DEG C/min, 200 DEG C-room temperature section cooldown rate, 30 DEG C/min, the final local diffusion strengthening pattern obtained as shown in Figure 5.Local strengthening zinc-aluminium-alloy hot rolled steel plate adhesive force more conventional cold spray technique in interface improves more than 40%, and adhesion strength significantly improves, and plasticity is significantly improved, bending resistance distortion raising 50%.
Embodiment 2
Substrate is hot rolling Q235 steel, thickness 2mm.The gas-solid two-phase flow that substrate surface pretreatment adopts compressed air and cast steel ball to form, high velocity bombardment removes surface scale, and acquisition surface layer grain size 27nm, roughness are Ra2.0 μm of surface, thin crystal layer thickness 25 μm, case hardness 2.5GPa, centre hardness 1.8GPa.The zinc-aluminum alloy coating of 200 μm is deposited in the cold spraying of above-mentioned pretreatment surface of steel plate, driving gas and carrier gas are industrial nitrogen, pressure is 2.5MPa, powder stock particle size range 15-50 μm ratio used is 52%, the ratio of 50-80 μm is 28%, all the other particles are 80-100 μm, and feeding powder speed is 290g/min.Heat-treat above-mentioned zinc-plated aluminium Q235 steel plate, environment is hydrogen reduction atmosphere, and heat treatment temperature is 450 DEG C, temperature retention time is 30min, the rate of heat addition is 15 DEG C/min, 450 DEG C-200 DEG C section cooldown rates, 10 DEG C/min, 200 DEG C-room temperature section cooldown rate, 30 DEG C/min.Local strengthening zinc-aluminium-alloy steel plate adhesive force more conventional cold spray technique in interface improves 25%, and adhesion strength significantly improves, bending resistance distortion raising 60%.
Embodiment 3
Substrate is hot rolling Q345 steel, thickness 10mm.The gas-solid two-phase flow that substrate surface pretreatment adopts compressed air and stainless steel wire pill cutting to form, high velocity bombardment removes surface scale, and acquisition surface layer grain size 0.95 μm, roughness are Ra1.8 μm of surface, thin crystal layer thickness 50 μm, case hardness 2.8GPa, centre hardness 2.0GPa.The zinc-aluminum alloy coating of 50 μm is deposited in the cold spraying of above-mentioned pretreatment surface of steel plate, driving gas and carrier gas are industrial nitrogen, pressure is 0.8MPa, powder stock particle size range 15-50 μm ratio used is 63%, the ratio of 50-80 μm is 24%, all the other particles are 80-100 μm, and feeding powder speed is 55g/min.Heat-treat above-mentioned zinc-plated aluminium Q345 steel plate, environment is hydrogen reduction atmosphere, and heat treatment temperature is 390 DEG C, temperature retention time is 120min, the rate of heat addition is 10 DEG C/min, 390 DEG C-200 DEG C section cooldown rates, 8 DEG C/min, 200 DEG C-room temperature section cooldown rate, 25 DEG C/min.Local strengthening zinc-aluminium-alloy steel plate adhesive force more conventional cold spray technique in interface improves 33%, and adhesion strength significantly improves, bending resistance distortion raising 40%.
Embodiment 4
Substrate is hot rolling 780DP steel, thickness 5mm.The gas-solid two-phase flow that substrate surface pretreatment adopts compressed air and silicon-carbide particle to form, high velocity bombardment removes surface scale, and acquisition surface layer grain size 100nm, roughness are Ra1.0 μm of surface, thin crystal layer thickness 75 μm, case hardness 5.5GPa, centre hardness 3.8GPa.The zinc-aluminum alloy coating of 150 μm is deposited in the cold spraying of above-mentioned pretreatment surface of steel plate, driving gas and carrier gas are industrial nitrogen, pressure is 2.0MPa, powder stock particle size range 15-50 μm ratio used is 60%, the ratio of 50-80 μm is 30%, all the other particles are 80-100 μm, and feeding powder speed is 130g/min.Heat-treat above-mentioned zinc-plated aluminium 780DP steel plate, environment is hydrogen reduction atmosphere, and heat treatment temperature is 420 DEG C, temperature retention time is 45min, the rate of heat addition is 20 DEG C/min, 420 DEG C-200 DEG C section cooldown rates, 10 DEG C/min, 200 DEG C-room temperature section cooldown rate, 20 DEG C/min.Local strengthening zinc-aluminium-alloy steel plate adhesive force more conventional cold spray technique in interface improves 28%, and adhesion strength significantly improves, bending resistance distortion raising 55%.
Hot rolling zinc/aluminum-plated steel plate and the preparation method with localized interface reinforced structure provided by the invention, local strengthening zinc-aluminium-alloy hot rolled steel plate adhesive force more conventional cold spray technique in described interface improves more than 20%, adhesion strength significantly improves, plasticity is significantly improved, bending resistance distortion raising more than 30%; At the ultra-fine grained structure that substrate preprocessing process is introduced at hot rolled sheet metal surface, increase substantially crystal boundary ratio, the advantage of crystal boundary high diffusivity passage can have been made full use of, made diffusion region formation efficiency higher; The feature of the allumen distribution of present component, avoids the too much brittlement phase in interface and is formed, by controlling Technology for Heating Processing, realizing the ratio of local diffusion stiffened region, interface, thus greatly improving the compatible deformation ability of zinc-aluminium-alloy hot rolled steel plate.
Claims (10)
1. a local strengthening hot rolling zinc/aluminum-plated steel plate, comprise matrix and coating, it is characterized in that, there is the local diffusion strengthening region of discontinuous distribution in the coating of described zinc/aluminum-plated steel plate and substrate interface, and described discontinuous enhanced dispersion region is made up of iron zinc compound and iron aluminide.
2. local strengthening hot rolling zinc/aluminum-plated steel plate according to claim 1, is characterized in that, is followed successively by hot rolled steel plate matrix, local iron zinc compound layer, local iron aluminide layer and zinc-aluminium coating from described matrix to coating.
3. local strengthening hot rolling zinc/aluminum-plated steel plate according to claim 2, is characterized in that, local iron zinc compound layer thickness is less than 15 μm, and local iron aluminide layer thickness is less than 30 μm.
4. local strengthening hot rolling zinc/aluminum-plated steel plate according to claim 1, it is characterized in that, described steel plate thickness is 2-10mm.
5. a preparation method for local strengthening hot rolling zinc/aluminum-plated steel plate described in any one of claim 1-4, is characterized in that, comprise the steps:
First pretreatment descaling carried out to hot rolled sheet metal surface and introduce superfine grained structure, obtaining crystallite dimension and be less than 1 μm and roughness Ra 0.6-2.0 μm activating surface; Secondly at the zinc-aluminum alloy coating of pretreated hot rolled sheet metal surface cold spraying deposition 50-200 μm; Finally zinc-aluminium-alloy hot rolled plate is carried out to 380-450 DEG C, is incubated the diffusion annealing of 5-120min, obtain discontinuous local strengthening hot rolling zinc/aluminum-plated steel plate.
6. the preparation method of local strengthening hot rolling zinc/aluminum-plated steel plate according to claim 5, it is characterized in that, the described surface through pretreatment steel plate forms one deck hardness gradient transition region, and case hardness is higher than heart portion by more than 30%, and transition region thickness is greater than 100 μm.
7. the preparation method of local strengthening hot rolling zinc/aluminum-plated steel plate according to claim 5, it is characterized in that, the carrier gas of described cold spraying allumen is compressed air or nitrogen, described nebulizer gas pressure is 0.5-2.5MPa, carrier gas temperature 0-300 DEG C, hello the powder speed 50-300g/min of described cold spraying allumen.
8. the preparation method of local strengthening hot rolling zinc/aluminum-plated steel plate according to claim 5, it is characterized in that, in described cold spraying allumen process, in cold spraying zinc-aluminium powder, Al constituent content is 5-35wt.%.
9. the preparation method of local strengthening hot rolling zinc/aluminum-plated steel plate according to claim 5, it is characterized in that, in described cold spraying allumen, the powder stock of zinc-aluminium is spherical or elliposoidal, wherein particle diameter is the volume ratio of 15-50 μm is 50-70%, particle diameter is the volume ratio of 50-80 μm is 20-30%, and all the other grain diameters are 80-100 μm.
10. the preparation method of local strengthening hot rolling zinc/aluminum-plated steel plate according to claim 5, is characterized in that, with stove cooling after described temperature retention time completes, more than 200 DEG C cooldown rates are less than 10 DEG C/min, and 200 DEG C are greater than 20 DEG C/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410118082.XA CN104943269B (en) | 2014-03-27 | 2014-03-27 | A kind of local strengthening hot rolling zinc/aluminum-plated steel plate and its manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410118082.XA CN104943269B (en) | 2014-03-27 | 2014-03-27 | A kind of local strengthening hot rolling zinc/aluminum-plated steel plate and its manufacture method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104943269A true CN104943269A (en) | 2015-09-30 |
| CN104943269B CN104943269B (en) | 2017-09-22 |
Family
ID=54158577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410118082.XA Active CN104943269B (en) | 2014-03-27 | 2014-03-27 | A kind of local strengthening hot rolling zinc/aluminum-plated steel plate and its manufacture method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104943269B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930013A (en) * | 2018-06-21 | 2018-12-04 | 山西军昊实业有限公司 | A kind of multicomponent alloy infiltration anti-corrosion method |
| CN111570558A (en) * | 2020-05-28 | 2020-08-25 | 法尔胜泓昇集团有限公司 | Zinc-based multi-element alloy coated steel wire and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1087291A (en) * | 1963-03-29 | 1967-10-18 | Gkn Group Services Ltd | A new or improved method of coating metal surfaces |
| JPH057914A (en) * | 1991-07-04 | 1993-01-19 | Nippon Steel Corp | Hot rolling method for steel to prevent surface defects |
| CN1532295A (en) * | 2003-03-19 | 2004-09-29 | 中国科学院金属研究所 | Device and application of gas-solid two-phase flow impinging on the surface of metal materials |
| CN101063204A (en) * | 2006-04-30 | 2007-10-31 | 宝山钢铁股份有限公司 | Method for manufacturing galvanized steel sheet |
| CN101161853A (en) * | 2007-07-27 | 2008-04-16 | 重庆工学院 | Method for reducing diffusion temperature of magnesium alloy surface spraying coating |
-
2014
- 2014-03-27 CN CN201410118082.XA patent/CN104943269B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1087291A (en) * | 1963-03-29 | 1967-10-18 | Gkn Group Services Ltd | A new or improved method of coating metal surfaces |
| JPH057914A (en) * | 1991-07-04 | 1993-01-19 | Nippon Steel Corp | Hot rolling method for steel to prevent surface defects |
| CN1532295A (en) * | 2003-03-19 | 2004-09-29 | 中国科学院金属研究所 | Device and application of gas-solid two-phase flow impinging on the surface of metal materials |
| CN101063204A (en) * | 2006-04-30 | 2007-10-31 | 宝山钢铁股份有限公司 | Method for manufacturing galvanized steel sheet |
| CN101161853A (en) * | 2007-07-27 | 2008-04-16 | 重庆工学院 | Method for reducing diffusion temperature of magnesium alloy surface spraying coating |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930013A (en) * | 2018-06-21 | 2018-12-04 | 山西军昊实业有限公司 | A kind of multicomponent alloy infiltration anti-corrosion method |
| CN111570558A (en) * | 2020-05-28 | 2020-08-25 | 法尔胜泓昇集团有限公司 | Zinc-based multi-element alloy coated steel wire and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104943269B (en) | 2017-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101063203B (en) | Method for manufacturing Metallic plate with coating | |
| WO2012128327A1 (en) | Laminate, conductive material, and process for producing laminate | |
| CN101063204B (en) | Method for manufacturing galvanized steel sheet | |
| CN104946930B (en) | A kind of uniform composite structure zinc-aluminium protective coating and its manufacture method | |
| CN112195429B (en) | Zinc-free flower 900g/m 2 Production method of galvanized sheet with double-sided ultra-thick zinc layer | |
| KR20150074899A (en) | Method for forming functional coating layer on zinc galvanized steel sheet by cold spraying and zinc galvanized steel sheet having functional coating layer | |
| CN105463444B (en) | Preparation method applied to sinking roller and the wear-resistant composite coating of the resistance to corrode of stabilizing roller | |
| CN114107866B (en) | Production method for eliminating black spot defect on surface of thick-gauge thick-coating coated steel plate and thick-gauge thick-coating coated steel plate | |
| CN105401116A (en) | A kind of preparation method of titanium alloy TiAl3-Al composite coating | |
| CN102284405B (en) | Production method of zinc-magnesium or zinc-aluminum-magnesium coated steel plate and zinc-aluminum-magnesium coated steel plate | |
| JP2019502820A (en) | Metal coating method for steel plate and metal coated steel plate manufactured using the same | |
| CN106591761B (en) | Method for preparing composite coating resisting molten metal erosion | |
| CN104943269A (en) | Locally reinforced hot-rolled zinc-aluminum plated steel plate and manufacturing method thereof | |
| CN100453699C (en) | Process for compound treating heat spraying and depositing welding and products thereof | |
| CN107523780B (en) | Composite protective coating of sink roller for hot dip plating and preparation method | |
| KR101829763B1 (en) | Alloy-coated steel sheet and method for manufacturing the same | |
| KR101829766B1 (en) | Alloy-coated steel sheet and method for manufacturing the same | |
| JPH02236266A (en) | Member for molten metal and its production | |
| CN102400141A (en) | Manufacturing method of alloyed galvanized steel sheet and alloyed galvanized steel sheet thereof | |
| EP2729593A2 (en) | Method, arrangement and raw material for producing metal coating on a steel product | |
| KR101829765B1 (en) | Alloy-coated steel sheet and method for manufacturing the same | |
| KR101829764B1 (en) | Alloy-coated steel sheet and method for manufacturing the same | |
| CN108588625B (en) | A kind of ZnAlMgSiB anti-corrosion coating for steel structure and preparation method thereof | |
| KR960009191B1 (en) | Method for manufacturing a hot-dipped zinc coating steel sheets with an excellent corrosion resistance and plating adhesion | |
| JP2001355052A (en) | Hot-dip zinc-aluminum alloy coated steel sheet excellent in spot weldability and method for producing the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |