High temperature strength of CrCoNi medium entropy alloys containing precipitates of L12 intermetallic compound

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[P63] High temperature strength of CrCoNi medium entropy alloys containing precipitates of L12 intermetallic compound

*Keiki YOSHIOKA¹, Takeshi TERAMOTO¹, Katsushi TANAKA¹ (1. Kobe Univ.)

Keywords:L12 intermetallic compaund、medium entropy alloy、High temperature strength

本研究ではCrCoNiミディアムエントロピー合金にAl, Tiを添加し，Ni基超合金やCo基超合金と同様にγ+γ’二相構造にすることで軽量かつ高温強度に優れた新規耐熱合金の開発を目指した．

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