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Effect of quenching and tempering on microstructure and corrosion resistance of aerospace-bearing steel

文献类型：期刊论文

作者Wang, Jiayu3; Ma, Jinyao2,3; Dong, Nan3; Tan, Huanyu3; Wang J(王晶)1; Han, Peide3
刊名MATERIALS TODAY COMMUNICATIONS
出版日期2024-06-01
卷号39页码:7
关键词Bearing steel Microstructure Cryogenic and tempering Hardness Corrosion
DOI10.1016/j.mtcomm.2024.108791
通讯作者Ma, Jinyao(majinyao@tyut.edu.cn) ; Dong, Nan(dongnan@tyut.edu.cn)
英文摘要CSS-42L steel is not only highly competitive for aerospace bearing applications but also for core components such as gears and shafts used in high-temperature or corrosive environments. This puts higher requirements on its microstructure, mechanical properties, and corrosion resistance. In this paper, CSS-42L steel was subjected to quenching, cryogenic and tempering treatments to study the effects of different heat treatments on the microstructure, hardness, and corrosion resistance of CSS-42L steel. It was found that the microstructure of the specimen after quenching contained martensite, a large amount of residual austenite, and trace amounts of fine carbides, and its hardness and corrosion resistance were improved. The residual austenite in the tempered sample underwent almost complete decomposition and transformed into fine martensite, and numerous finely dispersed and uniformly distributed carbides were precipitated, its hardness was further increased to 578.6 Hv concerning the quenched specimen, but concurrently exhibited a decrease in corrosion resistance. CSS-42L steel can be hardened by quenching, cryogenic and tempering to obtain martensite, but fine martensite reduces corrosion resistance. Since the amount of martensite or residual austenite affects the mechanical properties and corrosion resistance of CSS-42L bearing steel, the ratio of martensite and residual austenite needs to be adjusted to obtain optimum mechanical properties and corrosion resistance.
分类号二类
WOS关键词INTERGRANULAR CORROSION ; STAINLESS-STEEL ; RETAINED AUSTENITE ; PITTING CORROSION ; PERFORMANCE ; STABILITY ; EVOLUTION ; PROGRESS ; 316L
资助项目Shanxi Province Science Foundation for Youths[20210302124659] ; Natural Science Foundation of Shanxi Province[202203021221085] ; Research Project of Shanxi Institute of Zhejiang University New Materials and Chemical Industry[2022SZ-TD007]
WOS研究方向Materials Science
语种英语
WOS记录号WOS:001215652200002
资助机构Shanxi Province Science Foundation for Youths ; Natural Science Foundation of Shanxi Province ; Research Project of Shanxi Institute of Zhejiang University New Materials and Chemical Industry
其他责任者Ma, Jinyao ; Dong, Nan
源URL[http://dspace.imech.ac.cn/handle/311007/95070]  
专题力学研究所_非线性力学国家重点实验室
作者单位1.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
2.Taiyuan Univ Technol, Instrumental Anal Ctr, Taiyuan 030024, Peoples R China;
3.Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Peoples R China;
推荐引用方式
GB/T 7714		 Wang, Jiayu,Ma, Jinyao,Dong, Nan,et al. Effect of quenching and tempering on microstructure and corrosion resistance of aerospace-bearing steel[J]. MATERIALS TODAY COMMUNICATIONS,2024,39:7.
APA Wang, Jiayu,Ma, Jinyao,Dong, Nan,Tan, Huanyu,王晶,&Han, Peide.(2024).Effect of quenching and tempering on microstructure and corrosion resistance of aerospace-bearing steel.MATERIALS TODAY COMMUNICATIONS,39,7.
MLA Wang, Jiayu,et al."Effect of quenching and tempering on microstructure and corrosion resistance of aerospace-bearing steel".MATERIALS TODAY COMMUNICATIONS 39(2024):7.

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来源：力学研究所

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