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Microstructure and properties of 316L stainless steel by selective laser melting under various process parameters

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Abstract

The effects of process parameters (i.e., power, scan speed, and energy density) on the performance of 316L stainless steel prepared using selective laser melting (SLM) were investigated. Twenty-eight groups of 316L samples using SLM under different powers and scan speeds (190–325 W; 1200–3900 mm/s) were designed to explore their microstructure and relative densities. The 316L presented a surface with the smallest pores (< 8 μm) at 250 W and 2400 mm/s, and had the highest relative density (99.1%) with a short hatch spacing (20 μm) and an energy density of 104.17 J/mm3.

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The raw/processed data required to reproduce these findings cannot be shared at this time as the data also forms part of an ongoing study.

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Acknowledgments

The authors acknowledge the partial financial support of National University of Kaohsiung.

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Author notes

  1. Hsueh-Chuan Hsu and Ka-Kin Wong contributed equally to this work.

Authors and Affiliations

  1. Department of Dental Technology and Materials Science, Central Taiwan University of Science and Technology, Taichung, 40601, Taiwan

    Hsueh-Chuan Hsu & Shih-Ching Wu

  2. Department of Chemical and Materials Engineering, National University of Kaohsiung, Kaohsiung, 81148, Taiwan

    Ka-Kin Wong, Po-Jen Hou & Wen-Fu Ho

Authors
  1. Hsueh-Chuan Hsu
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  2. Ka-Kin Wong
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  3. Shih-Ching Wu
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Correspondence to Wen-Fu Ho.

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The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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Hsu, HC., Wong, KK., Wu, SC. et al. Microstructure and properties of 316L stainless steel by selective laser melting under various process parameters. MRS Communications 12, 768–772 (2022). https://doi.org/10.1557/s43579-022-00230-4

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