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Effect of tempering temperature on the microstructure, corrosion resistance, and antibacterial properties of Cu-bearing martensitic stainless steel
Hao, Xinxin1,2; Xi, Tong2; Xu, Zhiqiang3; Liu, Lichu3; Yang, Chunguang2; Yang, Ke2
Corresponding AuthorYang, Chunguang(cgyang@imr.ac.cn)
2021-06-08
Source PublicationMATERIALS AND CORROSION-WERKSTOFFE UND KORROSION
ISSN0947-5117
Pages9
AbstractIn this study, the effects of tempering temperature on the microstructure, hardness, antibacterial performance and corrosion resistance of Cu-bearing 5Cr15MoV martensitic stainless steel (5Cr15MoV-Cu MSS) were investigated using an optical microscope, a scanning electron microscope, X-ray diffraction, a transmission electron microscope, an antibacterial test, electrochemical measurements, and the salt spray test. The results showed that the hardness curve had a saddle shape and its values reached the peak value after tempering at 500 degrees C, due to the secondary hardening effect by the precipitation of tiny secondary carbides and Cu-rich precipitates. In addition, the antibacterial results also showed excellent antibacterial performance against Escherichia coli at 500 degrees C because of the formation of Cu-rich precipitates. Results of corrosion tests indicated that the corrosion resistance decreased gradually with an increase of the tempering temperature. In particular, the passivation did not occur when the tempering temperature was above 500 degrees C, which may be related to the Cu-rich precipitates and Cr depletion.
Keywordantibacterial performance corrosion resistance Cu-bearing 5Cr15MoV martensitic stainless steel hardness microstructure
Funding OrganizationYouth Innovation Promotion Association CAS ; Science and Technology Plan of Shenyang ; Peak Climbing Project of Foshan Hospital of Traditional Chinese Medicine
DOI10.1002/maco.202112382
Indexed BySCI
Language英语
Funding ProjectYouth Innovation Promotion Association CAS[2018221] ; Science and Technology Plan of Shenyang[20-203-5-21] ; Peak Climbing Project of Foshan Hospital of Traditional Chinese Medicine[202000206]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000658836200001
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/160267
Collection中国科学院金属研究所
Corresponding AuthorYang, Chunguang
Affiliation1.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang, Peoples R China
2.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China
3.Foshan Hosp Tradit Chinese Med, Orthopaed Inst, Foshan, Peoples R China
Recommended Citation
GB/T 7714
Hao, Xinxin,Xi, Tong,Xu, Zhiqiang,et al. Effect of tempering temperature on the microstructure, corrosion resistance, and antibacterial properties of Cu-bearing martensitic stainless steel[J]. MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION,2021:9.
APA Hao, Xinxin,Xi, Tong,Xu, Zhiqiang,Liu, Lichu,Yang, Chunguang,&Yang, Ke.(2021).Effect of tempering temperature on the microstructure, corrosion resistance, and antibacterial properties of Cu-bearing martensitic stainless steel.MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION,9.
MLA Hao, Xinxin,et al."Effect of tempering temperature on the microstructure, corrosion resistance, and antibacterial properties of Cu-bearing martensitic stainless steel".MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION (2021):9.
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