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Selective laser melting of TiC/H13 steel bulk-form nanocomposites with variations in processing parameters

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Abstract

TiC/H13 nanocomposite parts were processed by selective laser melting using various energy densities; one part also underwent hot isostatic pressing (HIP). The effect of energy density and HIPing on densification, microstructure, and hardness were evaluated. It was found that the densification was not largely affected by the energy density, but the HIP-treated sample displayed a large improvement in relative density. With increasing energy density, the microstructures showed high levels of dispersion of nanoparticles, while HIP treatment coarsened the microstructure and induced agglomeration. Both HIP treatment and increased energy density lowered hardness markedly; this was likely due to annealing effects.

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Acknowledgments

One of the authors, Bandar AlMangour, gratefully acknowledges the financial support provided by the Saudi Arabia Basic Industries Corporation (SABIC).

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Authors and Affiliations

  1. Department of Materials Science and Engineering, University of California, Los Angeles, CA, 90095, USA

    Bandar AlMangour, Franklin Yu & Jenn-Ming Yan

  2. West Pomeranian University of Technology, Szczecin, Poland

    Dariusz Grzesiak

Authors
  1. Bandar AlMangour
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  2. Franklin Yu
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  3. Jenn-Ming Yan
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  4. Dariusz Grzesiak
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Correspondence to Bandar AlMangour.

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AlMangour, B., Yu, F., Yan, JM. et al. Selective laser melting of TiC/H13 steel bulk-form nanocomposites with variations in processing parameters. MRS Communications 7, 84–89 (2017). https://doi.org/10.1557/mrc.2017.9

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  • DOI: https://doi.org/10.1557/mrc.2017.9

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