Nano-hydroxyapatite Coating Improves Bioactivity of Additively Manufactured Ti-6Al-4V Alloy Surface

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  • WATANABE Ryota
    R&D Center, Teijin Nakashima Medical Co., Ltd. Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University
  • TAKAHASHI Hiroyuki
    R&D Center, Teijin Nakashima Medical Co., Ltd.
  • UEMUKAI Toru
    R&D Center, SofSera Corporation
  • KOGAI Yasumichi
    R&D Center, SofSera Corporation
  • MATSUGAKI Aira
    Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University
  • NAKANO Takayoshi
    Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University

Bibliographic Information

Other Title
  • Ti-6Al-4V 積層造形体表面上へのナノアパタイトコーティングによる 生体活性能の改善
  • Ti-6Al-4V セキソウ ゾウケイ タイヒョウメン ジョウ エ ノ ナノアパタイトコーティング ニ ヨル セイタイ カッセイノウ ノ カイゼン

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Abstract

The metal implant fixation with bone tissues is an important factor for excellent clinical outcomes in total joint arthroplasty. Various porous surfaces produced by additive manufacturing have been developed to enhance bone-implant fixation, and clinically used. However, in some cases, poor fixation of the additively manufactured implants has been reported, because they are not bioactive. In the present study, we focused on the nano-hydroxyapatite as a promising coating material for additively manufactured metal implants. Regardless of surface topographies, nano-hydroxyapatite could be coated on additively manufactured metal surfaces, and nano-hydroxyapatite coated Ti-6Al-4V alloys had high bioactivity.

Journal

  • Journal of Smart Processing

    Journal of Smart Processing 10 (4), 251-255, 2021-07-10

    Smart Processing Society for Materials, Environment & Energy (High Temperature Society of Japan)

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