CN105603418A - Method for improving microhardness of 42CrMo steel in laser cladding through fusion cladding powder - Google Patents
Method for improving microhardness of 42CrMo steel in laser cladding through fusion cladding powder Download PDFInfo
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- CN105603418A CN105603418A CN201610044447.8A CN201610044447A CN105603418A CN 105603418 A CN105603418 A CN 105603418A CN 201610044447 A CN201610044447 A CN 201610044447A CN 105603418 A CN105603418 A CN 105603418A
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- 239000000843 powder Substances 0.000 title claims abstract description 44
- 238000005253 cladding Methods 0.000 title claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 13
- 239000010959 steel Substances 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000004372 laser cladding Methods 0.000 title abstract description 25
- 230000004927 fusion Effects 0.000 title abstract 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims description 21
- 239000007789 gas Substances 0.000 claims description 20
- 238000002844 melting Methods 0.000 claims description 19
- 230000008018 melting Effects 0.000 claims description 19
- 235000019441 ethanol Nutrition 0.000 claims description 15
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000001307 helium Substances 0.000 claims description 2
- 229910052734 helium Inorganic materials 0.000 claims description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 2
- 235000011837 pasties Nutrition 0.000 claims description 2
- 241000276489 Merlangius merlangus Species 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000011160 research Methods 0.000 abstract description 3
- 239000006071 cream Substances 0.000 abstract 2
- 239000002131 composite material Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 40
- 239000000463 material Substances 0.000 description 10
- 239000011651 chromium Substances 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000007751 thermal spraying Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 229910000797 Ultra-high-strength steel Inorganic materials 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011417 postcuring Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- -1 rare earth compound Chemical class 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- C23C24/106—Coating with metal alloys or metal elements only
-
- B22F1/0003—
Abstract
The invention discloses a method for improving microhardness of 42CrMo steel in laser cladding through fusion cladding powder. The fusion cladding powder is prepared from, by mass, 20-22% of Cr, 10-11% of Ni, 9.5-10.5% of Al, 1-1.5% of CeO2 and the balance Fe. The prepared powder is mixed into paste or cream through alcohol and then coats the surface of 42CrMo steel, and a composite coating can be obtained through laser cladding after the paste or cream is air dried. According to the technical scheme, a crack-free laser cladding layer can be obtained, the hardness is high, abrasive resistance is high, the price is low, and the method is suitable for laboratory research and also suitable for production processing with low requirements.
Description
The present patent application is female case application " simple and easy iron based laser cladding powder and cladding layer preparation method's " divisionApplication, the application number of female case application is 2013103355538, the applying date of female case application is 2013 8The moon 1.
Technical field
The present invention relates to laser cladding of material field, more particularly, relate to a kind of easy iron based laser cladding powderMaterial and cladding layer preparation method.
Background technology
Laser melting and coating technique is the important component part in Laser Surface Modification Technology, owing to can significantly improving the resistance to of materialMill property, corrosion resistance, heat resistance and some electric properties are rapidly developed in production application. But current employingLaser cladding powder be on the one hand Ni-based, iron-based, the cobalt-based self-fluxing alloyed powder of continuing to use thermal spraying material; The opposing partyFace is exactly hardness and the wearability of adding the ceramic materials such as WC, TiC, SiC and improve cladding layer in alloy powder, but itsCrack sensitivity also can increase. Therefore, research has the laser of the combination properties such as excellent abrasive resistance, corrosion resistance and heat resistanceCladding powder, for the reparation of machine components damageable zone, obtains wear-resisting, anticorrosion layer, can greatly extend machinery equipmentService life, not only can enhance productivity, can also overcome at the conventional surface such as built-up welding, thermal spraying treatment technologyIn the large and low problem of bond strength of ubiquitous workpiece deformation, there is huge development potentiality. Due to heat inputLow, workpiece deformation is little, crystal grain is tiny and intensity, hardness advantages of higher, and can significantly improve material wearability,Corrosion resistance, heat resistance and some electric properties are rapidly developed in production application. But the laser of current employingCladding powder is to continue to use the self-fluxing alloy powder used for hot spraying that contains boron and silicon on the one hand, and its weak point is the overwhelming majorityIn self-fluxing alloy powder, the content of boron and silicon is higher, because cooling velocity in laser cladding process is fast, some is mingled with as boronSilicate cannot be smoothly from emersion in the molten bath of rapid solidification, cause laser cladding layer cracking sensitivity larger; On the other handBe to adopt the special powder that contains three or four kinds of elements, be difficult for obtaining good combination property.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, improve to separate for existing laser cladding powder powder materialThe above-mentioned technical problem of determining.
Technical purpose of the present invention is achieved by following technical proposals:
Simple and easy iron based laser cladding dusty material, according to mass percent (being that each component sum is 100%) by following groupBe grouped into: Cr is that 20～22%, Ni is that 10～11%, Al is 9.5～10.5%, CeO2Be that 1～1.5%, Fe is surplus.
Being preferably as follows component and content: Cr is that 21～22%, Ni is that 10～11%, Al is 10～10.5%, CeO2Be 1～1.2%, Fe is surplus.
In above-mentioned simple and easy iron based laser cladding powder, select each component to be purity and be more than or equal to 99% powder, grainFootpath is 100-500 orders, preferably 200-300 orders, i.e. chromium powder, nickel powder, aluminium powder, ceria, iron powder.
In technical scheme of the present invention, Cr and Ni are main alloying element, and wherein Cr is mainly used in improving quenching degree,Produce solution strengthening, promote the formation of M, in the design of High-alloy Ultra-high Strength Steel, Cr has the post-curing of promotion effect(replace Mo2Mo in C forms (Mo, Cr)2C), form the precipitated phase of small and dispersed, improve hardness and tensile yieldIntensity; Ni is mainly used in improving wetability and improves cladding layer capability. The Al adding is mainly used in substituting B and Si comesDeoxidation, can also carry heavy alloyed high-temp plastic, reduces the shrinkage factor of cladding layer, thereby can obtain not melting containing crackleCoating. In addition, add a certain amount of CeO2, can purify crystal boundary on the one hand, further reduce its objectionable impuritiesContent; On the other hand, rare earth itself, as a kind of active material, can reduce grain boundary interfaces tension force, thereby reduces crystalline substanceThe driving force that grain length is large, has suppressed the tendency of grain growth, and meanwhile, the rare earth compound of formation is in one time of crystallizationAlso can be used as forming core core, increase forming core number, thus crystal grain thinning, hardness and the wearability of raising cladding layer.
In the time being prepared, accurately weigh after the quality of each component, carried out fully mixing with evenly, for exampleAdopt electronic scale to take after the powder of various elements, in mortar, mechanical lapping mixes it half an hour.
Utilize simple and easy iron based laser cladding power applications of the present invention in laser melting coating welding, by simple and easy iron based laser claddingPowder and ethanol are evenly coated in substrate material surface after mixing, and can obtain cladding layer after air-dry by laser melting coating.
The pure absolute ethyl alcohol of wherein said ethanol Analysis about Selection; In simple and easy iron based laser cladding powder and alcohol mixture,Formed by 92～95% simple laser cladding powder and 5～8% ethanol according to mass percent.
After simple and easy iron based laser cladding powder and ethanol mixing, form pasty state or paste, so that at substrate material surfaceApply, after applying, form preformed layer, described preformed layer thickness is 1-2mm.
In the time carrying out laser melting coating, selecting matrix material is 42CrMo steel, and Optimizing Process Parameters is: laser power is 1550～1650KW, spot diameter is 0.8-1mm, and sweep speed is 150-200mm/min, and defocusing amount is 0, and protective gas is adoptedWith argon gas, nitrogen or helium, gas flow is 20-25L/min; Preferably laser power is 1580～1620KW, lightSpot diameter is 0.8-1mm, and sweep speed is 180-200mm/min, and defocusing amount is 0, and protective gas adopts argon gas, gasBody flow is 22-25L/min.
Compared with prior art, tool of the present invention has the following advantages:
(1) proposition of the invention, by substituting B adding of Al and Si carrys out deoxidation, can also reduce cladding layerShrinkage factor, thereby can obtain the cladding layer that there is no crackle.
(2) the present invention by adding suitable rare earth element ce O in laser cladding powder2, can crystal grain thinning, significantlyImprove hardness and the wearability of cladding layer.
(3) the present invention is as the easy iron based laser cladding of one dusty material, can be according to actual needs, then add oneCladding layer capability usually further improves in the fixed unit such as Co, Mo, Ti.
Detailed description of the invention
Further illustrate technical scheme of the present invention below in conjunction with specific embodiment, wherein use each medicine as shown in the table.
| Nomenclature of drug | Molecular formula | Purity | Specification | Manufacturer |
| Iron powder | Fe | ≥99％ | Analyze pure | Tianjin chemical reagent one factory |
| Chromium powder | Cr | ≥99％ | Analyze pure | Tianjin recovery fine chemistry industry research institute |
| Nickel powder | Ni | ≥99.5％ | Analyze pure | Tianmen, Hubei chemical reagent two factories |
| Aluminium powder | Al | ≥99％ | Analyze pure | Tianjin Feng Chuan chemical reagent Co., Ltd |
| Ceria | CeO2 | ≥99.5％ | Analyze pure | Shanghai brilliant pure reagent Co., Ltd |
The chemical analysis of the matrix material 42CrMo steel using is as shown in the table
| C | Mn | Si | Cr | Mo | Ni | Cu |
| 0.38～0.45 | 0.50～0.80 | 0.17～0.37 | 0.90～1.20 | 0.15～0.25 | ≤0.030 | ≤0.030 |
According to the quality percentage composition of each component shown in following table, adopt electronic scale to take the powder (200 of various elementsOrder), pour mortar into, in mortar, grind and make half an hour it mix, obtain iron based laser cladding dusty material.
| Numbering | Cr | Ni | Al | CeO2 | Fe |
| Embodiment 1 | 20％ | 10％ | 10％ | 1％ | Surplus |
| Embodiment 2 | 20％ | 10％ | 10％ | 1.5％ | Surplus |
| Embodiment 3 | 21..2％ | 10.8％ | 9.8％ | 1.5％ | Surplus |
| Embodiment 4 | 22％ | 10.5％ | 10.2％ | 1.2％ | Surplus |
| Embodiment 5 | 20.5％ | 10.2％ | 10.5％ | 1％ | Surplus |
| Embodiment 6 | 20.5％ | 10.6％ | 9.5％ | 1.3％ | Surplus |
| Embodiment 7 | 21％ | 11％ | 9.5％ | 1％ | Surplus |
| Embodiment 8 | 21.5％ | 11％ | 10.5％ | 1.4％ | Surplus |
The iron based laser cladding dusty material obtaining after respectively embodiment in above table 1-8 being mixed and analytically pure anhydrousAfter ethanol mixes, be coated in substrate material surface, can obtain cladding layer by laser melting coating after air-dry, pointDo not carry out laser melting coating according to following four groups of techniques, laser instrument adopts JK2003SM type Nd:YAG.
First group, simple and easy iron based laser cladding powder 92wt%, ethanol 8wt%, preformed layer thickness is 2mm, laser meritRate is 1650KW, and spot diameter is 1mm, and sweep speed is 200mm/min, and defocusing amount is 0, and protective gas adopts nitrogen,Gas flow 25L/min.
Second group, simple and easy iron based laser cladding powder 95wt%, ethanol 5wt%, preformed layer thickness is 1mm, laser meritRate is 1550KW, and spot diameter is 0.8mm, and sweep speed is 150mm/min, and defocusing amount is 0, and protective gas adopts argonGas, gas flow 20L/min.
The 3rd group, simple and easy iron based laser cladding powder 93wt%, ethanol 7wt%, preformed layer thickness is 1.5mm, laser meritRate is 1580KW, and spot diameter is 0.8mm, and sweep speed is 180mm/min, and defocusing amount is 0, and protective gas adopts heliumGas, gas flow 22L/min.
The 4th group, simple and easy iron based laser cladding powder 94wt%, ethanol 6wt%, preformed layer thickness is 1mm, laser meritRate is 1620KW, and spot diameter is 1mm, and sweep speed is 150mm/min, and defocusing amount is 0, and protective gas adopts argon gas,Gas flow 25L/min.
After laser melting coating, adopt EMS-2003+ Intelligent magnetic memory/eddy current/far-field eddy detector to detect, all do not findCrackle. Sample prepared by every group of technique carries out property detection, and gets the mean value of 8 embodiment, as every group of techniqueComparison other.
Adopt automatic turret digital display sclerometer to measure the microhardness of cladding layer, experimental result is as shown in the table
| Hardness number 1 | Hardness number 2 | Hardness number 3 | Hardness number 4 | Average hardness | |
| Mother metal | 286HV | 282HV | 285HV | 284HV | 284HV |
| Cladding layer | 852HV | 861HV | 882HV | 870HV | 866HV |
Its wearability that adopted MM-200 type determination of wear testing machine, specimen size is 7 × 7 × 25mm, friction duty is for dryMill sliding friction, is loaded as 5kg, and rotating speed is 200r/min, and experimental period is 1h. And quality before and after measuring with electronic scale(before measuring, cleaning with ultrasonic washing instrument), experimental result is as shown in the table
| First group | Quality/g before wearing and tearing | Quality/g after wearing and tearing | Weightlessness/mg |
| Mother metal | 9.0479 | 9.0008 | 47.1 |
| Cladding layer | 9.5480 | 9.54345 | 4.55 |
| Second group | Quality/g before wearing and tearing | Quality/g after wearing and tearing | Weightlessness/mg |
| Mother metal | 9.0479 | 9.0008 | 47.1 |
| Cladding layer | 9.7521 | 9.7475 | 4.6 |
| The 3rd group | Quality/g before wearing and tearing | Quality/g after wearing and tearing | Weightlessness/mg |
| Mother metal | 9.0479 | 9.0008 | 47.1 |
| Cladding layer | 9.5480 | 9.5432 | 4.8 |
| The 4th group | Quality/g before wearing and tearing | Quality/g after wearing and tearing | Weightlessness/mg |
| Mother metal | 9.0479 | 9.0008 | 47.1 |
| Cladding layer | 9.5480 | 9.5438 | 4.2 |
Utilize iron based laser cladding powder of the present invention can effectively improve microhardness and wearability after laser melting coating as seenEnergy.
Above the present invention is done to exemplary description, should be noted that in the situation that not departing from core of the present invention,The replacement that is equal to that any simple distortion, amendment or other those skilled in the art can not spend creative work all fallsEnter protection scope of the present invention.
Claims (6)
1. utilize cladding powder in laser melting coating, to improve the method for 42CrMo steel microhardness, it is characterized in that, will meltAfter whiting end and ethanol mixing, be evenly coated in matrix material 42CrMo steel surface, air-dry after by laser melting coatingObtain cladding layer; In cladding powder and alcohol mixture, according to mass percent by 92～95% cladding powder and 5～8% ethanol composition, cladding powder is made up of following component according to mass percent: Cr be 20～22%, Ni be 10～11%, Al is 9.5～10.5%, CeO2Be that 1～1.5%, Fe is surplus; In the time carrying out laser melting coating, technological parameter is:Laser power is 1550～1650KW, and spot diameter is 0.8-1mm, and sweep speed is 150-200mm/min, fromBurnt amount is 0, and protective gas adopts argon gas, nitrogen or helium, and gas flow is 20-25L/min.
2. the side that utilizes cladding powder to improve 42CrMo steel microhardness in laser melting coating according to claim 1Method, is characterized in that, it is that 21～22%, Ni is 10～11%, Al that cladding powder is preferably as follows component and content: CrBe 10～10.5%, CeO2Be that 1～1.2%, Fe is surplus.
3. the side that utilizes cladding powder to improve 42CrMo steel microhardness in laser melting coating according to claim 1Method, is characterized in that, selects each component to be purity and be more than or equal to 99% powder in cladding powder, and particle diameter is100-500 orders, preferably 200-300 orders.
4. the side that utilizes cladding powder to improve 42CrMo steel microhardness in laser melting coating according to claim 1Method, is characterized in that, the pure absolute ethyl alcohol of described ethanol Analysis about Selection.
5. the side that utilizes cladding powder to improve 42CrMo steel microhardness in laser melting coating according to claim 1Method, is characterized in that,, after cladding powder and ethanol mixing, form pasty state or paste, so that at matrix material tableFace applies, and after applying, forms preformed layer, and described preformed layer thickness is 1-2mm.
6. the side that utilizes cladding powder to improve 42CrMo steel microhardness in laser melting coating according to claim 1Method, is characterized in that, in the time carrying out laser melting coating, optimal process parameter is: laser power is 1580～1620KW,Spot diameter is 0.8-1mm, and sweep speed is 180-200mm/min, and defocusing amount is 0, and protective gas adopts argon gas,Gas flow is 22-25L/min.
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| CN113265656B (en) * | 2021-05-13 | 2022-08-26 | 清华大学 | Laser cladding material of 42CrMo gear ring, laser cladding method and application |
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| CN101974724A (en) * | 2010-11-24 | 2011-02-16 | 上海交通大学 | Iron-based alloy powder for high strength and toughness laser deposited coating |
| CN104131281B (en) * | 2013-08-01 | 2017-02-08 | 天津大学 | Simple iron-based laser cladding powder and preparation method for cladding layer |
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- 2013-08-01 CN CN201310335553.8A patent/CN104131281B/en not_active Expired - Fee Related
- 2013-08-01 CN CN201610044447.8A patent/CN105603418B/en not_active Expired - Fee Related
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| JPH01312055A (en) * | 1988-06-13 | 1989-12-15 | Toshiba Mach Co Ltd | Wear-resistant coating material |
| CN101709469A (en) * | 2009-12-10 | 2010-05-19 | 中国人民解放军装甲兵工程学院 | Iron-based alloy powder material for plasma cladding quick forming |
| CN101974724A (en) * | 2010-11-24 | 2011-02-16 | 上海交通大学 | Iron-based alloy powder for high strength and toughness laser deposited coating |
| CN104131281B (en) * | 2013-08-01 | 2017-02-08 | 天津大学 | Simple iron-based laser cladding powder and preparation method for cladding layer |
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| CN106350816A (en) * | 2016-11-18 | 2017-01-25 | 无锡明盛纺织机械有限公司 | Method for laser cladding Si-Cr-B-W-Al wear-resistant coating on aluminum alloy |
| CN106399900A (en) * | 2016-11-18 | 2017-02-15 | 无锡明盛纺织机械有限公司 | Method for spraying aluminum alloy with Si-Cr-B-W-Al wear-resisting coating through high velocity oxy fuel |
| CN107794527A (en) * | 2017-10-19 | 2018-03-13 | 江苏祥和电子科技有限公司 | The reproducing method of high-strength die steel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104131281A (en) | 2014-11-05 |
| CN105603418B (en) | 2018-02-06 |
| CN104131281B (en) | 2017-02-08 |
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