Rapid surface nitriding of titanium alloy by a nanosecond fiber laser under atmospheric conditions

Kazutoshi Katahira, Yusuke Tanida, Shogo Takesue, Jun Komotori

研究成果: Article査読

12 被引用数 (Scopus)

抄録

A modified surface layer using a Yb nanosecond fiber laser beam under atmospheric conditions was fabricated by applying a surface nitriding process on disc-shaped Ti–6Al–4V samples. On the generated surface, a melt layer comprising a TiN dendrite structure and a heat affected zone containing a needle-like α phase were detected. The modified layer exhibited optimal characteristics with the treatment at a laser output power of 12 W, resulting in a hardness of 12 GPa. The results of friction wear evaluation tests revealed that the layer exhibited superior abrasion resistance compared with an untreated Ti–6Al–4V substrate.

本文言語English
ページ(範囲)563-566
ページ数4
ジャーナルCIRP Annals
67
1
DOI
出版ステータスPublished - 2018 1 1

ASJC Scopus subject areas

  • 機械工学
  • 産業および生産工学

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