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Heterostructured NiCr matrix composites with high strength and wear resistance
Kong, Xuan1; Liu, Yang2; Chen, Minghui1; Zhang, Tao1; Wang, Qunchang1; Wang, Fuhui1
Corresponding AuthorChen, Minghui(mhchen@mail.neu.edu.cn)
2022-04-10
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume105Pages:142-152
AbstractSelf-lubricating composites are required to have excellent tribological performances and good mechanical properties when they are applied as mechanic parts. However, the brittle nature of most lubricants will weaken the mechanical properties of the composites where in order to get the lubricating ability proper amount of lubricants are usually incorporated, bringing challenges for them to get well-balanced mechanical and tribological properties. In this study, NiCr matrix self-lubricating composites with the addition of WS2 and nano-Ti were prepared via spark plasma sintering. The hard phase of Ni3Ti and the lubricant TiS were formed via in-situ reaction at the interface, which surrounded the soft alloy matrix and developed a heterostructure. Compared with the conventional NiCr-WS2 composite, the heterostructured composite exhibited a high yield strength of 1645 MPa, a low friction coefficient of 0.37 and a wear rate of as low as 2.25 x 10(-5) mm(3) N-1 m(-1) when sliding. Finite element analysis demonstrated that the heterostructure plays a key role to balance well the mechanical and tribological properties of the NiCr matrix composites. (C) 2022 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordSelf-lubricating composites Heterostructure NiCr alloy Mechanical properties Tribology
Funding OrganizationNational Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Ministry of Industry and Information Technology Project
DOI10.1016/j.jmst.2021.06.076
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51871051] ; Fundamental Research Funds for the Central Universities[N180212008] ; Fundamental Research Funds for the Central Universities[N181003001] ; Ministry of Industry and Information Technology Project[MJ-2017-J-99]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000797467000005
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/174063
Collection中国科学院金属研究所
Corresponding AuthorChen, Minghui
Affiliation1.Northeastern Univ, Shenyang Natl Lab Mat Sci, Shenyang 110819, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Kong, Xuan,Liu, Yang,Chen, Minghui,et al. Heterostructured NiCr matrix composites with high strength and wear resistance[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2022,105:142-152.
APA Kong, Xuan,Liu, Yang,Chen, Minghui,Zhang, Tao,Wang, Qunchang,&Wang, Fuhui.(2022).Heterostructured NiCr matrix composites with high strength and wear resistance.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,105,142-152.
MLA Kong, Xuan,et al."Heterostructured NiCr matrix composites with high strength and wear resistance".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 105(2022):142-152.
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