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Surface hardening of laser melting deposited 12CrNi2 alloy steel by enhanced plasma carburizing via hollow cathode discharge
Dong, Z. H.1; Zhang, W.2; Kang, H. W.2; Xie, Y. J.1; Ebrahimnia, M.3; Peng, X.4
Corresponding AuthorDong, Z. H.(zhdong@imr.ac.cn)
2020-09-15
Source PublicationSURFACE & COATINGS TECHNOLOGY
ISSN0257-8972
Volume397Pages:8
AbstractPlasma carburizing of 12CrNi2 alloy steel fabricated by laser melting deposition was carried out in a propane-containing atmosphere at temperature of 930 degrees C with and without hollow cathode discharge (HCD). The generation of the HCD in the carburizing process was achieved by adding an auxiliary cathode opposite the alloy steel sample. The carburized samples were characterized by analysis of microstructure, microhardness and wear performance. The assistance of HCD increased the carbon concentration in the carburized layer and the case depth without changing the carburizing atmosphere and discharge voltage, indicating the improvement of carburizing kinetics. This leads to an increased volume fraction of acicular martensite and an increased the microhardness of the carburized layer as well as the improvement of the wear resistance of alloy steel.
KeywordPlasma carburization Hollow cathode discharge Laser melting deposition Alloy steel Wear
Funding OrganizationNational Key Research and Development Program of China
DOI10.1016/j.surfcoat.2020.125976
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2016YFB1100203]
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Coatings & Films ; Physics, Applied
WOS IDWOS:000543496400034
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/139647
Collection中国科学院金属研究所
Corresponding AuthorDong, Z. H.
Affiliation1.Chinese Acad Sci, Inst Met Res, Lab Corros & Protect, Beijing, Peoples R China
2.Univ Sci & Technol China, Coll Mat Sci & Engn, Hefei, Anhui, Peoples R China
3.Zhejiang Handsome Intelligent Remfg Technol Co Lt, Jiaxing, Peoples R China
4.Nanchang Hangkong Univ, Sch Mat Sci & Engn, Nanchang, Jiangxi, Peoples R China
Recommended Citation
GB/T 7714
Dong, Z. H.,Zhang, W.,Kang, H. W.,et al. Surface hardening of laser melting deposited 12CrNi2 alloy steel by enhanced plasma carburizing via hollow cathode discharge[J]. SURFACE & COATINGS TECHNOLOGY,2020,397:8.
APA Dong, Z. H.,Zhang, W.,Kang, H. W.,Xie, Y. J.,Ebrahimnia, M.,&Peng, X..(2020).Surface hardening of laser melting deposited 12CrNi2 alloy steel by enhanced plasma carburizing via hollow cathode discharge.SURFACE & COATINGS TECHNOLOGY,397,8.
MLA Dong, Z. H.,et al."Surface hardening of laser melting deposited 12CrNi2 alloy steel by enhanced plasma carburizing via hollow cathode discharge".SURFACE & COATINGS TECHNOLOGY 397(2020):8.
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