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Microstructure and Mechanical Properties of High-Nitrogen Austenitic Stainless Steels Subjected to Equal-Channel Angular Pressing
Dong, Fu-Yuan; Zhang, Peng; Pang, Jian-Chao; Duan, Qi-Qiang; Ren, Yi-Bin; Yang, Ke; Zhang, Zhe-Feng; Zhang, P; Zhang, ZF (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China.
2016-02-01
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Volume29Issue:2Pages:140-149
AbstractThree high-nitrogen stainless steels with different N contents were successfully processed by equal-channel angular pressing for one pass, and their microstructures and mechanical properties were investigated. It was found that the microstructure of the billet was heterogeneous across the billet thickness, resulting in the difference in the mechanical properties due to the different deformation conditions. A relatively low strength, high uniform elongation, and high work hardening rate for the samples at the bottom of the billet was achieved in comparison with those processed at the top. Meanwhile, it was observed that the density of deformation twins increased with the content of N; accordingly, the strength and elongation of the alloys increase with the content of N, resulting in a good strength ductility combination.
description.department[dong, fu-yuan ; zhang, peng ; pang, jian-chao ; duan, qi-qiang ; ren, yi-bin ; yang, ke ; zhang, zhe-feng] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china
KeywordHigh-nitrogen Stainless (Hns) Steels Equal-channel Angular Pressing (Ecap) n Content Twinning Strength Ductility
Subject AreaMetallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China (NSFC) [51301179, 51331007, 31370976]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75945
Collection中国科学院金属研究所
Corresponding AuthorZhang, P; Zhang, ZF (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Dong, Fu-Yuan,Zhang, Peng,Pang, Jian-Chao,et al. Microstructure and Mechanical Properties of High-Nitrogen Austenitic Stainless Steels Subjected to Equal-Channel Angular Pressing[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2016,29(2):140-149.
APA Dong, Fu-Yuan.,Zhang, Peng.,Pang, Jian-Chao.,Duan, Qi-Qiang.,Ren, Yi-Bin.,...&Zhang, ZF .(2016).Microstructure and Mechanical Properties of High-Nitrogen Austenitic Stainless Steels Subjected to Equal-Channel Angular Pressing.ACTA METALLURGICA SINICA-ENGLISH LETTERS,29(2),140-149.
MLA Dong, Fu-Yuan,et al."Microstructure and Mechanical Properties of High-Nitrogen Austenitic Stainless Steels Subjected to Equal-Channel Angular Pressing".ACTA METALLURGICA SINICA-ENGLISH LETTERS 29.2(2016):140-149.
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