Deformation behavior of additive manufactured 316 L stainless steel using in situ neutron diffraction

被引：1

作者：

Chen, Zhiping ^{[1
,2
,5
]}

Jiang, Zhenjun ^{[1
]}

Wang, Fuzhu ^{[1
]}

Zhao, Dandan ^{[1
]}

Zhang, Xiaodong ^{[6
]}

Wang, Chen ^{[7
]}

Hao, Jianfei ^{[1
]}

Tong, Mengmeng ^{[1
]}

Chen, Bin ^{[1
]}

Kong, Hao Jie ^{[1
]}

Wan, Bingbing ^{[1
]}

Li, Runxia ^{[1
,5
]}

Liu, Gang ^{[2
]}

Wang, Biao ^{[1
,3
,4
]}

机构：

[1] Dongguan Univ Technol, Sch Mat Sci & Engn, Res Inst Interdisciplinary Sci, Dongguan 523808, Peoples R China

[2] Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China

[3] Sun Yat Sen Univ, Sch Phys, Guangzhou 510275, Peoples R China

[4] Sun Yat Sen Univ, Sino French Inst Nucl Engn & Technol, Guangzhou 510275, Peoples R China

[5] Dongguan Univ Technol, Dongguan Inst Sci & Technol Innovat, Dongguan 523808, Peoples R China

[6] China Spallat Neutron Source, Dongguan 523803, Peoples R China

[7] Songshan Lake Mat Lab, Dongguan 523808, Peoples R China

来源：

SCIENTIFIC REPORTS | 2025年 / 15卷 / 01期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Additive manufacturing; Selective laser melting; 316L stainless steel; Microstructural and mechanical properties; Deformation behavior; STRENGTH; POROSITY;

D O I：

10.1038/s41598-025-87329-5

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Manufacturing of metallic components using additive manufacturing technique is of great interest for the industrial applications. Here, the mechanical and microstructural responses of a 316 L stainless steel (316LSS) built by selective laser melting (SLM) with XOY and XOZ directions were revealed by performing in situ neutron diffraction tensile tests. The tensile strength of the XOY-printed samples reaches 700 MPa, while the tensile strength of the XOZ-printed samples is less than 600 MPa. The as-printed 316LSS exhibits anisotropy in tensile property due to the formation of different fractions of nano-sized dimples, twin boundaries, diffraction peak and lattice constants during tensile tests at room temperature. Therefore, choosing right printing direction plays a vital role in forming of metal parts using SLM for further application.

引用

页数：18

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