Quantifying Laser Absorptivity of Ti–6Al–4V Powder through Additive Manufacturing Systems

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  • Honda Hiroshi
    Research Center for Structural Materials, National Institute for Materials Science
  • Watanabe Makoto
    Research Center for Structural Materials, National Institute for Materials Science

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Abstract

<p>In laser metal-based powder-bed fusion additive manufacturing, it is important to know the laser absorptivity of metal powder to elucidate or optimize the manufacturing process and numerical simulation. Laser absorptivity depends on the manufacturing process conditions and the circumstances of the additive manufacturing machine. Therefore, we tried to develop a simple method of measuring laser absorptivity under the same circumstances present in the manufacturing process by using a commercially available additive manufacturing machine.</p>

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 65 (2), 194-198, 2024-02-01

    The Japan Institute of Metals and Materials

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