CN104388878A - Ni60B-ZrO2-Mo nano coating and preparation method thereof - Google Patents
Ni60B-ZrO2-Mo nano coating and preparation method thereof Download PDFInfo
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- CN104388878A CN104388878A CN201410604007.4A CN201410604007A CN104388878A CN 104388878 A CN104388878 A CN 104388878A CN 201410604007 A CN201410604007 A CN 201410604007A CN 104388878 A CN104388878 A CN 104388878A
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- ni60b
- coating
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- zro2
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/12—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on oxides
Abstract
The invention relates to a Ni60B-ZrO2-Mo nano coating and a preparation method thereof. The Ni60B-ZrO2-Mo nano coating comprises the following components in percentage by weight: 9%-24% of Ni60B, 56%-72% of ZrO2, 12%-19% of Mo and 1.12% of microelements, wherein the microelements include Cr, Si, B and Fe. The preparation method comprises the steps of preparing nanospheres of Ni60B, ZrO2 and Mo by virtue of a dry crushing method, mixing Cr, Si, B and Fe by virtue of an active agent so as to prepare nanopowder, and preparing the Ni60B-ZrO2-Mo nano coating on a 3Cr2Mo mold steel matrix by virtue of a plasma spraying process. According to the Ni60B-ZrO2-Mo nano coating and the preparation method thereof, the problems that an existing tungsten carbide coating is relatively poor in wear resistance and relatively low in corrosion resistance are solved, the microscopic tissue and structure of the surface coating of material are improved, the wear resistance of the surface of the material is integrally improved, and the comprehensive mechanical property is improved.
Description
Technical field
The present invention relates to technical field of hot, is a kind of Ni60B-ZrO specifically
2-Mo nano coating and preparation method thereof.
Background technology
Plasma spraying technology is comparatively extensive in the application of the traditional field such as wear-resistant coating, anti-corrosion coating, from the fifties in last century so far, its Application Areas extend to the fields such as Iron And Steel Industry, automobile making, petrochemical complex, textile manufacturing machine, boats and ships by Aeronautics and Astronautics.In recent years plasma spraying technology at high-technology field as the applied research in nano coating, function-graded material, superconducting coating, biological function coating etc. is subject to people's attention gradually.
Adopt vacuum plasma spray coating to prepare nanometer WC/Co coating, find that the more conventional coating of coating hardness, toughness and wear resistance all has greatly improved, the microstructure of plasma sprayed nanostructure Al such as Connecticut university
2o
3-TiO
2be that coating has carried out systematic research, comprise nanometer powder spraying dry to reunite the analysis of reconstruct, plasma spray coating process parameter optimization, process diagnosis, simulation and coating structure and performance, show that coating has bifurcation microstructure, show unique excellent properties.Compared with corresponding conventional coating, bonding strength strengthens 100%, and abrasive wear drag improves 300%, Indentation Cracking drag, bending and drawing test performance to peel off drag much higher.
But Al
2o
3-TiO
2be that coating red hardness is poor, hot strength is low, restricted application, and along with the development of plasma spraying technology, people need the diversified nano coating that can adapt to different working conditions.
Summary of the invention
For above-mentioned technical problem, the invention provides a kind of Ni60B-ZrO
2-Mo nano coating and preparation method thereof.
Technical problem to be solved by this invention realizes by the following technical solutions:
A kind of Ni60B-ZrO
2-Mo nano coating, the mass percent of its component and each component is that Ni60B accounts for 9%-24%, ZrO
2account for that 56%-72%, Mo account for 12%-19%, trace element accounts for 1.12%; Described trace element comprises Cr, Si, B and Fe; Mo element can significantly improve the anti-corrosion capability of alloy in non-oxidizing acid and organic acid and seawater, improves hot strength and the red hardness of coating; Nickel based super alloy containing Mo element 12%-19% has that fusing point is high, density is low and the characteristic such as coefficient of thermal expansion is little, be applicable to the various high-temperature components manufacturing aerospace, making parts have the performances such as wear-resisting, anti-corrosion, resistance to high temperature oxidation, is modern mechanical manufacturing and abrasion piece reparation important materials again.
A kind of Ni60B-ZrO
2the preparation method of-Mo nano coating, comprises the following steps: first adopt dry type comminuting method to obtain Ni60B, ZrO
2with the nanometer ball of Mo, then adopt promoting agent protection method mixed C r, Si, B and Fe obtain nanometer powder.
Described nanometer powder adopts plasma spray coating process can prepare Ni60B-ZrO on 3Cr2Mo die steel matrix
2-Mo coating.
The invention has the beneficial effects as follows: the invention solves the problem that existing tungsten carbide coating wear resistance is poor, erosion resistance is lower, improve the microtexture of material surface coating, structure, strength of coating is made to improve 50%, Young's modulus improves 8.9%-15.4%, thus the overall wear resisting property improving material surface, also there is significant effect to the comprehensive mechanical property improving improvement simultaneously; Described Ni60B-ZrO
2-Mo nano coating is applicable to multiple steel such as: 20Cr, 12CrNi3A, 5CrMnMo, 5CrNiMo, 4CrMnSiMoV, 5Cr2NiMoVSi etc., and hardness is high compared with conventional alloys material, wear resistance good, bonding strength is high, high temperature resistant, corrosion-resistant.
Embodiment
The technique means realized to make the present invention and creation characteristic are easy to understand, and set forth further below to the present invention.
Embodiment one:
A kind of Ni60B-ZrO
2-Mo nano coating, the mass percent of its component and each component is that Ni60B accounts for 9%, ZrO
2account for 72%, Mo accounts for 17.88%, trace element accounts for 1.12%; Described trace element comprises Cr, Si, B and Fe.
A kind of Ni60B-ZrO
2the preparation method of-Mo nano coating, comprises the following steps: first adopt dry type comminuting method to obtain Ni60B, ZrO
2with the nanometer ball of Mo, then adopt promoting agent protection method mixed C r, Si, B and Fe obtain nanometer powder, adopts plasma spray coating process to prepare Ni60B-ZrO afterwards on 3Cr2Mo die steel matrix
2-Mo coating.
Described Ni60B-ZrO
2the workpiece of-Mo nano coating and the performance comparison experimental result of 20Cr steel matrix are in table 1.
Described Ni60B-ZrO
2the friction and wear behavior experimental result of the workpiece of-Mo nano coating and the friction and wear behavior experimental result of 20Cr steel matrix contrast in table 2.
Embodiment two:
A kind of Ni60B-ZrO
2-Mo nano coating, the mass percent of its component and each component is that Ni60B accounts for 13%, ZrO
2account for 67%, Mo accounts for 18.88%, trace element accounts for 1.12%; Described trace element comprises Cr, Si, B and Fe.
A kind of Ni60B-ZrO
2the preparation method of-Mo nano coating, with embodiment one.
Described Ni60B-ZrO
2the workpiece of-Mo nano coating and the performance comparison experimental result of 20Cr steel matrix are in table 1.
Described Ni60B-ZrO
2the friction and wear behavior experimental result of the workpiece of-Mo nano coating and the friction and wear behavior experimental result of 20Cr steel matrix contrast in table 3.
Embodiment three:
A kind of Ni60B-ZrO
2-Mo nano coating, the mass percent of its component and each component is that Ni60B accounts for 18%, ZrO
2account for 66%, Mo accounts for 14.88%, trace element accounts for 1.12%; Described trace element comprises Cr, Si, B and Fe.
A kind of Ni60B-ZrO
2the preparation method of-Mo nano coating, with embodiment one.
Described Ni60B-ZrO
2the workpiece of-Mo nano coating and the performance comparison experimental result of 20Cr steel matrix are in table 1.
Described Ni60B-ZrO
2the friction and wear behavior experimental result of the workpiece of-Mo nano coating and the friction and wear behavior experimental result of 20Cr steel matrix contrast in table 4.
Table 1 Ni60B-ZrO
2the workpiece of-Mo nano coating and the performance comparison experimental result of 20Cr steel matrix:
| Numbering | Porosity (AREA%) | Bonding strength (MPa) | Microhardness (HV) |
| Embodiment one | 0.624 | 72.6 | 1031 |
| Embodiment two | 0.783 | 75.2 | 1023 |
| Embodiment three | 0.651 | 74.6 | 1033 |
| Mean value | 0.686 | 74.1 | 1029 |
| Comparative group | 0.821 | 52 | 513 |
Can be obtained by experimental data, Ni60B-ZrO
2-Mo nano coating effectively can reduce the porosity of workpiece surface, improves the bonding strength of workpiece surface, can increase substantially the microhardness of workpiece surface.
The Ni60B-ZrO of table 2 embodiment one
2the friction and wear behavior of-Mo nano coating and the friction and wear behavior contrast and experiment of 20Cr steel matrix:
| Group | Before test (g) | After test (g) | Loss (mg) |
| Embodiment one | 68.4583 | 68.4570 | 1.3 |
| Control group | 71.9714 | 71.9561 | 15.3 |
The Ni60B-ZrO of table 3 embodiment two
2the friction and wear behavior of-Mo nano coating and the friction and wear behavior contrast and experiment of 20Cr steel matrix:
| Group | Before test (g) | After test (g) | Loss (mg) |
| Embodiment two | 76.3174 | 76.3158 | 1.6 |
| Control group | 69.8641 | 69.8495 | 14.6 |
The Ni60B-ZrO of table 4 embodiment three
2the friction and wear behavior of-Mo nano coating and the friction and wear behavior contrast and experiment of 20Cr steel matrix:
| Group | Before test (g) | After test (g) | Loss (mg) |
| Embodiment three | 66.2163 | 66.2151 | 1.2 |
| Control group | 74.3872 | 74.3709 | 16.3 |
From table 2, table 3 and table 4, Ni60B-ZrO
2-Mo nano coating significantly can reduce the Surface Wear amount of workpiece, ensures the lasting wear resistance of workpiece, significantly extends the work-ing life of workpiece.
Experiment proves, Ni60B-ZrO
2the hardness of-Mo coating can reach HRC71, and coat-thickness can reach 1 millimeter, draws Ni60B-ZrO through test of many times
2the bonding strength of-Mo coating, the density of tissue are better, and coating density can reach 7.08g/cm
3.
Ni60B-ZrO prepared by plasma spraying
2-Mo coating has excellent abrasive wear resistance, hardness and toughness, the characteristic such as have that fusing point is high, density is low and coefficient of thermal expansion is little, is modern mechanical manufacturing and abrasion piece reparation important materials again.
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; the just principle of the present invention described in above-described embodiment and specification sheets; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (2)
1. a Ni60B-ZrO
2-Mo nano coating, is characterized in that: the mass percent of its component and each component is that Ni60B accounts for 9%-24%, ZrO
2account for that 56%-72%, Mo account for 12%-19%, trace element accounts for 1.12%; Described trace element comprises Cr, Si, B and Fe.
2. a Ni60B-ZrO
2the preparation method of-Mo nano coating, is characterized in that: comprise the following steps: first adopt dry type comminuting method to obtain Ni60B, ZrO
2with the nanometer ball of Mo, then adopt promoting agent protection method mixed C r, Si, B and Fe obtain nanometer powder, adopts plasma spray coating process to prepare Ni60B-ZrO afterwards on die steel matrix
2-Mo coating.
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| CN201410604007.4A CN104388878A (en) | 2014-10-30 | 2014-10-30 | Ni60B-ZrO2-Mo nano coating and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104946953A (en) * | 2015-06-24 | 2015-09-30 | 安徽再制造工程设计中心有限公司 | Co-Mn-Cr2O3-Ti coating material and preparation method |
| CN104947032A (en) * | 2015-06-24 | 2015-09-30 | 安徽再制造工程设计中心有限公司 | Co-Zn-Mn-Ti coating material and preparation method |
| CN106702215A (en) * | 2016-12-02 | 2017-05-24 | 南京悠谷知识产权服务有限公司 | Super heat resistance nano alloy for aviation and preparation method thereof |
| CN107344283A (en) * | 2017-05-16 | 2017-11-14 | 蚌埠市宏大制药机械有限公司 | A kind of preparation method of anticorrosive medicinal capsule mold |
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| DE10163976A1 (en) * | 2001-12-22 | 2003-07-31 | Federal Mogul Friedberg Gmbh | Production of a wear resistant surface coating used for the running surfaces of machine parts, especially piston rings of combustion engines comprises using an arc spraying process |
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| CN101570861A (en) * | 2009-06-02 | 2009-11-04 | 西安国源石油科技有限公司 | Surface treatment method for sucker rod coupling |
| CN103710660A (en) * | 2013-12-24 | 2014-04-09 | 中国人民解放军装甲兵工程学院 | Method for size restoring and reinforcing of outer wall and inner wall of water-cooling cylinder sleeve of engine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104946953A (en) * | 2015-06-24 | 2015-09-30 | 安徽再制造工程设计中心有限公司 | Co-Mn-Cr2O3-Ti coating material and preparation method |
| CN104947032A (en) * | 2015-06-24 | 2015-09-30 | 安徽再制造工程设计中心有限公司 | Co-Zn-Mn-Ti coating material and preparation method |
| CN106702215A (en) * | 2016-12-02 | 2017-05-24 | 南京悠谷知识产权服务有限公司 | Super heat resistance nano alloy for aviation and preparation method thereof |
| CN107344283A (en) * | 2017-05-16 | 2017-11-14 | 蚌埠市宏大制药机械有限公司 | A kind of preparation method of anticorrosive medicinal capsule mold |
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Application publication date: 20150304 |
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