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TMS 2016 145th Annual Meeting & Exhibition pp 171–176Cite as

Selective Laser Melting of TiB2/H13 Steel Bulk Nanocomposites: Influence of Nanoscale Reinforcment

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Abstract

Additive Manufacturing (AM) holds strong potential for the formation of a new class of multifunctional nanocomposites. Selective laser melting, as a promising AM fabrication route, was applied to produce nanocrystalline TiB2-reinforced H13 steel matrix nanocomposites. Uniformly dispersed TiB2 particles were obtained and fine homogenous needle-shaped martensitic microstructures were observed. The microstructural and hardness of SLM-processed nanocomposites were sensitive to the TiB2 addition. Relative to the unreinforced H13 steel part, the TiB2/ H13 steel nanocomposites parts with the novel architecture exhibited much higher hardness due to the combined effects of grain refinements and grain boundary strengthening.

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Authors and Affiliations

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

    B. Almangour & J. M. Yang

  2. Department of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology, Szczecin, Poland

    Dariusz Grzesiak

Authors
  1. B. Almangour
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  2. Dariusz Grzesiak
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  3. J. M. Yang
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© 2016 TMS (The Minerals, Metals & Materials Society)

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Almangour, B., Grzesiak, D., Yang, J.M. (2016). Selective Laser Melting of TiB2/H13 Steel Bulk Nanocomposites: Influence of Nanoscale Reinforcment. In: TMS 2016 145th Annual Meeting & Exhibition. Springer, Cham. https://doi.org/10.1007/978-3-319-48254-5_21

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