Tensile Properties of Selective Laser Melted 316L Stainless Steel

doi:10.11900/0412.1961.2019.00278

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	Tensile Properties of Selective Laser Melted 316L Stainless Steel
	Yu Chenfan 1; Zhao Congcong 1; Zhang Zhefeng 2; Liu Wei 1
刊名	ACTA METALLURGICA SINICA
	2020-05-11
卷号	56 期号:5 页码:683-692
关键词	selective laser melting 316L stainless steel tensile property deformation twinning
ISSN号	0412-1961
DOI	10.11900/0412.1961.2019.00278
通讯作者	Liu Wei(liuw_tsinghua@163.com)
英文摘要	Selective 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>.
资助项目	National Magnetic Confinement Fusion Science Program of China[2014GB117000]
WOS研究方向	Metallurgy & Metallurgical Engineering
语种	英语
出版者	SCIENCE PRESS
WOS记录号	WOS:000529326900002
资助机构	National Magnetic Confinement Fusion Science Program of China
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/138601]
专题	金属研究所_中国科学院金属研究所
通讯作者	Liu Wei
作者单位	1.Tsinghua Univ, Sch Mat Sci & Engn, Beijing 100084, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
推荐引用方式 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.