Microstructure and wear resistance of in situ synthesized particle-reinforced novel stainless steel by laser melting deposition

被引：5

作者：

Wang, C. ^{[1
]}

Zhang, C. H. ^{[1
]}

Zhang, S. ^{[1
]}

Wu, C. L. ^{[1
]}

Zhang, J. B. ^{[2
]}

Liu, Y. ^{[2
]}

Pu, X. X. ^{[2
]}

机构：

[1] Shenyang Univ Technol, Sch Mat Sci & Engn, Shenyang 110870, Liaoning, Peoples R China

[2] Shenyang Dalu Laser Technol CO LTD, Shenyang 110136, Liaoning, Peoples R China

来源：

MATERIALS RESEARCH EXPRESS | 2019年 / 6卷 / 08期

关键词：

laser melting deposition; novel wear-resistant stainless steel; microstructure; phase evolution; wear resistance; MECHANICAL-PROPERTIES; COMPOSITES; CORROSION; BEHAVIOR;

D O I：

10.1088/2053-1591/ab1970

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The in situ synthesized particles-reinforced novel stainless steel was produced via laser melting deposition technology, aiming to fabricate a new wear-resistant material. The Cr3C2 and high vanadium alloy powder were introduced into novel stainless steel and the phase compositions, microstructure, microhardness and wear resistance of the novel wear-resistant material were investigated using XRD, SEM, microhardness tester and friction-wear tester, respectively. The results showed that the V8C7 and Cr23C6 phases were in situ synthesized successfully after the Cr3C2 and high vanadium alloy powder was introduced, and the microstructure of carbides reinforced novel stainless steel was refined significantly. The microhardness of carbides reinforced novel stainless steel was 800 HV0.2, which was similar to 1.2 times that of new stainless steel, and the wear resistance was similar to 4 times that of the new stainless steel.

引用

页数：11

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