DataVXJournal of Materials Engineering and PerformancePaper
journal article·2023-05Open access

On the Heat Treatment of Selective-Laser-Melted 316L

Iuliia Morozova, Christian Kehm, Aleksei Obrosov, Yitong Yang, Kamal Uddin Mohammad Miah, Elena Uludintceva, Sebastian Fritzsche, Sabine Weiß, Vesselin Michailov

Journal of Materials Engineering and Performance· Volume 32· Issue 10
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Abstract

Abstract The effect of heat treatment at various temperatures (650, 850, 1050, and 1100°C) and dwell times (10 min and 1 h) on the metallurgical and microstructural evolution as well as on the related tensile properties of stainless steel 316L processed by selective laser melting (SLM) has been systematically evaluated. The metallurgical and microstructural features such as defects, stability of the columnar–cellular structure and substructure, second phase particles, and phase transformation imparted by SLM and heat treatment have been discussed. It has been shown that the processing conditions specific to SLM significantly alter the kinetics of phase evolution compared to standard welding techniques which affects the accuracy of the prediction. The influence of these characteristics on tensile properties and hardness was elucidated. It was disclosed that with increasing heat treatment temperature there was a gradual increase in elongation but a decrease in strength related to the dislocation density and the development of the microstructure.
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Research context

Metals & alloysMaterials processing

OpenAlex topics: Additive Manufacturing Materials and Processes · Welding Techniques and Residual Stresses · High Entropy Alloys Studies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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