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

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

Abstract 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 re...

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Main Authors: Zhiping Chen, Zhenjun Jiang, Fuzhu Wang, Dandan Zhao, Xiaodong Zhang, Chen Wang, Jianfei Hao, Mengmeng Tong, Bin Chen, Hao Jie Kong, Bingbing Wan, Runxia Li, Gang Liu, Biao Wang
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:Scientific Reports
Subjects:
Additive manufacturing
Selective laser melting
316L stainless steel
Microstructural and mechanical properties
Deformation behavior
Online Access:https://doi.org/10.1038/s41598-025-87329-5
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Summary:Abstract 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.
ISSN:2045-2322

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