Enhanced mechanical properties and formability of 316L stainless steel materials 3D-printed using selective laser melting

Xiao-qin Yang; Ying Liu; Jin-wen Ye; Ren-quan Wang; Ting-chuan Zhou; Bin-yang Mao

doi:10.1007/s12613-019-1837-2

Volume 26 Issue 11

Nov. 2019

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文章导航 > 矿物冶金与材料学报（英文） > 2019 > 26(11): 1396-1404

Xiao-qin Yang, Ying Liu, Jin-wen Ye, Ren-quan Wang, Ting-chuan Zhou, and Bin-yang Mao, Enhanced mechanical properties and formability of 316L stainless steel materials 3D-printed using selective laser melting, Int. J. Miner. Metall. Mater., 26(2019), No. 11, pp. 1396-1404. https://doi.org/10.1007/s12613-019-1837-2

Cite this article as:

Xiao-qin Yang, Ying Liu, Jin-wen Ye, Ren-quan Wang, Ting-chuan Zhou, and Bin-yang Mao, Enhanced mechanical properties and formability of 316L stainless steel materials 3D-printed using selective laser melting, Int. J. Miner. Metall. Mater., 26(2019), No. 11, pp. 1396-1404. https://doi.org/10.1007/s12613-019-1837-2

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研究论文

Enhanced mechanical properties and formability of 316L stainless steel materials 3D-printed using selective laser melting

College of Materials Science and Engineering, Sichuan University, Chengdu 610065, China

通讯作者:
Xiao-qin Yang E-mail: 1778024382@qq.com

中文摘要

This study is conducted to develop an innovative and attractive selective laser melting (SLM) method to produce 316L stainless steel materials with excellent mechanical performance and complex part shape. In this work, the subregional manufacturing strategy, which separates the special parts from the components using an optimized process, was proposed. The results showed that produced 316L materials exhibited superior strength of~755 MPa and good ductility. In the as-built parts, austenite with preferred orientation of the (220) plane, δ-ferrite, and a small amount of CrO phases were present. In addition, the crystal size was fine, which contributed to the enhancement of the parts' mechanical properties. The structural anisotropy mechanism of the materials was also investigated for a group of half-sized samples with variable inclination directions. This technique was used to fabricate a set of impellers with helical bevels and high-precision planetary gears, demonstrating its strong potential for use in practical applications.

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Research Article

Enhanced mechanical properties and formability of 316L stainless steel materials 3D-printed using selective laser melting

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Abstract

Abstract

This study is conducted to develop an innovative and attractive selective laser melting (SLM) method to produce 316L stainless steel materials with excellent mechanical performance and complex part shape. In this work, the subregional manufacturing strategy, which separates the special parts from the components using an optimized process, was proposed. The results showed that produced 316L materials exhibited superior strength of~755 MPa and good ductility. In the as-built parts, austenite with preferred orientation of the (220) plane, δ-ferrite, and a small amount of CrO phases were present. In addition, the crystal size was fine, which contributed to the enhancement of the parts' mechanical properties. The structural anisotropy mechanism of the materials was also investigated for a group of half-sized samples with variable inclination directions. This technique was used to fabricate a set of impellers with helical bevels and high-precision planetary gears, demonstrating its strong potential for use in practical applications.
- 316L stainless steel;
- selective laser melting;
- formability;
- mechanical properties;
- microstructure

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Enhanced mechanical properties and formability of 316L stainless steel materials 3D-printed using selective laser melting

中文摘要

Enhanced mechanical properties and formability of 316L stainless steel materials 3D-printed using selective laser melting

Abstract

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