Ni 基超合金 Inconel 718 の固相線温度近傍における力学特性値の引張速度依存性

  • 荻野 章太
    Graduate School of Creative Science and Engineering, Waseda University
  • 大橋 翼
    Graduate School of Creative Science and Engineering, Waseda University
  • 粕谷 直生
    Graduate School of Creative Science and Engineering, Waseda University
  • 吉田 誠
    Kagami Memorial Laboratory for Materials Science and Technology, Waseda University

書誌事項

タイトル別名
  • Tensile Rate Dependency of Mechanical Properties of Inconel 718 Nickel-Based Superalloy around Solidus Temperature
  • Niキ チョウゴウキン Inconel 718 ノ コソウセン オンド キンボウ ニ オケル リキガク トクセイチ ノ ヒッパリ ソクド イソンセイ

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抄録

  Nickel-based superalloys have been applied to gas turbine and aircraft jet engine parts due to superior high temperature strength and corrosion resistance. However, casting defect such as solidification cracking often occurs. In order to increase productivity of precision casting and various shape casting processes, predicting the occurrence of solidification cracking by using CAE (Computer Aided Engineering) should be essential. Therefore, it is necessary to obtain mechanical properties in the state of solid-liquid coexistence.<br>    In the previous reports, high temperature mechanical properties were examined but tensile rate dependency wasn't examined. In this study, high temperature (around solidus temperature) mechanical properties and tensile rate dependency of their alloy were examined by using originally developed tensile test.<br>

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 77 (5), 170-173, 2013

    公益社団法人 日本金属学会

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