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Tensile Properties of Selective Laser Melted 316L Stainless Steel
Yu Chenfan1; Zhao Congcong1; Zhang Zhefeng2; Liu Wei1
Corresponding AuthorLiu Wei(liuw_tsinghua@163.com)
2020-05-11
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume56Issue:5Pages:683-692
AbstractSelective laser melting (SLM), as the most common additive manufacturing (AM) method, is capable of manufacturing metallic components with complex shape layer by layer. Compared with conventional manufacturing technologies such as casting or forging, the SLM technology has the advantages of high degree accuracy, high material utilization rate and environmentally friendly, and has attracted great attention in the fields of aerospace, nuclear power and medicine. The 316L austenitic stainless steel is widely used in the industrial field because of the excellent corrosion resistance and plasticity. It is also one of the commonly used material systems for SLM. In this work, the tensile properties and fracture mechanism of 316L stainless steel fabricated via SLM technology were investigated. The microstructure of the SLMed 316L specimens after tensile fracture was characterized and analyzed. The results show that the SLMed 316L stainless steel has a relatively desirable combination of strength and ductility, and its tensile performance is obviously better than that of 316L stainless steel prepared by traditional methods. The nanometer-scale cell structure inside the grain contributes to the improvement of strength. Deformation twins were observed in the SLMed 316L stainless steel after tensile test. The appearance of twins is oriented-dependent, and it is easy to occur in the grain with the direction near <110>-<111>.
Keywordselective laser melting 316L stainless steel tensile property deformation twinning
Funding OrganizationNational Magnetic Confinement Fusion Science Program of China
DOI10.11900/0412.1961.2019.00278
Indexed BySCI
Language英语
Funding ProjectNational Magnetic Confinement Fusion Science Program of China[2014GB117000]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000529326900002
PublisherSCIENCE PRESS
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/138602
Collection中国科学院金属研究所
Corresponding AuthorLiu Wei
Affiliation1.Tsinghua Univ, Sch Mat Sci & Engn, Beijing 100084, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Yu Chenfan,Zhao Congcong,Zhang Zhefeng,et al. Tensile Properties of Selective Laser Melted 316L Stainless Steel[J]. ACTA METALLURGICA SINICA,2020,56(5):683-692.
APA Yu Chenfan,Zhao Congcong,Zhang Zhefeng,&Liu Wei.(2020).Tensile Properties of Selective Laser Melted 316L Stainless Steel.ACTA METALLURGICA SINICA,56(5),683-692.
MLA Yu Chenfan,et al."Tensile Properties of Selective Laser Melted 316L Stainless Steel".ACTA METALLURGICA SINICA 56.5(2020):683-692.
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