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Comparison of virgin and reused 15-5 PH stainless steel powders for laser powder bed fusion process

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Abstract

15-5 PH stainless steel is one of the commonly used powders in laser powder bed fusion (LPBF) process. In this study, both virgin and reused 15-5 PH powders were comparatively studied. The microstructure and elemental composition of the powders were examined. The results show that the chemical compositions of the virgin powder compared well that of literature data. In contrast, the reused powder has slightly larger particle size, rougher surfaces, and increased oxygen and nitrogen contents than the virgin one. This study is useful for determining the feasibility of powder reuse in PPBF process.

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Acknowledgements

JZ and YZ acknowledge the financial support provided by Walmart Foundation (project title: Optimal Plastic Injection Molding Tooling Design and Production through Advanced Additive Manufacturing). YGJ and JZ acknowledge the financial support provided by the Korea Institute of Energy Technology Evaluation and Planning (KETEP) and the Ministry of Trade, Industry & Energy (MOTIE) of the Republic of Korea (No. 20172020108530), and by “Human Resources Program in Energy Technology” of the KETEP and MOTIE of the Republic of Korea (No. 20174030201460).

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Authors and Affiliations

  1. Indiana University-Purdue University Indianapolis, Indianapolis, IN, 46202, USA

    Jing Zhang, Yi Zhang, Xingye Guo & Linmin Wu

  2. Argonne National Laboratory, Lemont, IL, 60439, USA

    Bin Hu

  3. Changwon National University, Changwon, Gyeongnam, 641-773, Republic of Korea

    Hye-Yeong Park, Je-Hyun Lee & Yeon-Gil Jung

  4. College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100022, China

    Xingye Guo

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  1. Jing Zhang
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  2. Bin Hu
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  3. Yi Zhang
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  4. Xingye Guo
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  5. Linmin Wu
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  7. Je-Hyun Lee
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  8. Yeon-Gil Jung
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Correspondence to Jing Zhang or Yeon-Gil Jung.

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Zhang, J., Hu, B., Zhang, Y. et al. Comparison of virgin and reused 15-5 PH stainless steel powders for laser powder bed fusion process. Prog Addit Manuf 3, 11–14 (2018). https://doi.org/10.1007/s40964-018-0038-2

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  • DOI: https://doi.org/10.1007/s40964-018-0038-2

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