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Effects of Silicon on the Microstructure and Mechanical Properties of 15-15Ti Stainless Steel
Yi, Hao-Yu1; Liang, Tian2; Wang, Min2; Zha, Xiang-Dong2; Ma, Ying-Che2; Liu, Kui2
Corresponding AuthorWang, Min(minwang@imr.ac.cn) ; Ma, Ying-Che(ycma@imr.ac.cn)
2020-06-03
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Pages8
AbstractEffects of silicon on the microstructure and mechanical properties of 20% cold-worked 15-15Ti austenitic stainless steels are systemically investigated by uniaxial tensile tests, scanning and transmission electron microscope observations, and strength calculations. The results reveal that a large number of deformation twins are formed in the 20% cold-worked steels with various silicon additions. The volume fraction of deformation twins and the density of dislocations increase with silicon content, while the twin thickness slightly decreases. A better strength-ductility combination is achieved by silicon addition, since the yield strength of the steel with 2% silicon is 61 MPa higher than that of the steel with 1% silicon, while their uniform elongations are almost both equal to 16%. The yield strength of the 15-15Ti stainless steels is predominantly contributed by the solid solution, dislocation and deformation twin strengthening effects, which can be enhanced by silicon addition.
KeywordAustenitic stainless steel Silicon Microstructure Mechanical property
Funding OrganizationNatural Science Foundation of Liaoning Province, China
DOI10.1007/s40195-020-01068-2
Indexed BySCI
Language英语
Funding ProjectNatural Science Foundation of Liaoning Province, China[2019-BS-248]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000537643400003
PublisherCHINESE ACAD SCIENCES, INST METAL RESEARCH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/139091
Collection中国科学院金属研究所
Corresponding AuthorWang, Min; Ma, Ying-Che
Affiliation1.China Nucl Power Technol Res Inst, Shenzhen 518000, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Yi, Hao-Yu,Liang, Tian,Wang, Min,et al. Effects of Silicon on the Microstructure and Mechanical Properties of 15-15Ti Stainless Steel[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2020:8.
APA Yi, Hao-Yu,Liang, Tian,Wang, Min,Zha, Xiang-Dong,Ma, Ying-Che,&Liu, Kui.(2020).Effects of Silicon on the Microstructure and Mechanical Properties of 15-15Ti Stainless Steel.ACTA METALLURGICA SINICA-ENGLISH LETTERS,8.
MLA Yi, Hao-Yu,et al."Effects of Silicon on the Microstructure and Mechanical Properties of 15-15Ti Stainless Steel".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2020):8.
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