Mechanical Properties of Beta Solution Treated and Aged Ti-10V-2Fe-3Al Alloy

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  • β域溶体化処理されたTi-10V-2Fe-3Al合金の機械的特性
  • ベータイキ ヨウタイカ ショリ サレタ Ti 10V 2Fe 3Al ゴウキン ノ キカイテキ トクセイ

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Abstract

Generally Ti-10V-2Fe-3Al and Ti-6Al-4V alloys are solution heat treated below beta transus for use in order to avoid beta grain growth. But recently it was found that beta solution treated and over aged Ti-6Al-4V alloy has martensitic microstructures and good mechanical properties such as high fracture toughness and large crack propagation resistance. The effect of beta solution treatment on the mechanical properties of Ti-10V-2Fe-3Al have been hardly reported. In this study, the mechanical properties of beta solution treated and aged Ti-10V-2Fe-3Al was investigated and compared to conventional solution treatment. Then it is revealed that beta solution treatment gives better fracture toughness and crack propagation resistance comparing with alfa+beta solution treatment.

Journal

  • Tetsu-to-Hagane

    Tetsu-to-Hagane 86 (3), 181-188, 2000

    The Iron and Steel Institute of Japan

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