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Effects of Silicon on the Microstructure and Mechanical Properties of 15-15Ti Stainless Steel
Yi, Hao-Yu; Liang, Tian; Wang, Min; Zha, Xiang-Dong; Ma, Ying-Che; Liu, Kui
2020-11-01
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
Volume33Issue:11Pages:1583-1590
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.
DOI10.1007/s40195-020-01068-2
WOS IDWOS:000537643400003
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82789
Collection中国科学院金属研究所
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,2020,33(11):1583-1590.
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,33(11),1583-1590.
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 33.11(2020):1583-1590.
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