Effect of Environment on High Temperature Low-cycle Fatigue

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概要

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• Tensile strain hold-time experiments have been made with a type 304 stainless steel at 750℃ in air and in vacuum of about 1×10^<-5> Torr. The hold-time effect is observed to be more remarkable in vacuum than in air. The present data show that the frequency approach and the creep-fatigue interaction approach are insufficient for evaluating the difference of the hold-time effect in both environments. A new approach based upon the linear damage rule which is successfully applicable to evaluate the effect of environment on high temperature low-cycle fatigue has been proposed. It has also been shown that the present approach can predict the difference in a fracture face-fatigue type and creep type-observed in vacuum tests.

• 一般社団法人日本機械学会の論文

著者

• Asada Yasuhide

  Respectively The University Of Tokyo

• YAMANAKA Kazuyoshi

  The University of Tokyo

• UDOGUCHI Teruyoshi

  Chiba University

• MITSUHASHI Shunsaku

  respectively, The University of Tokyo

• Mitsuhashi Shunsaku

  Respectively The University Of Tokyo

関連論文

• Effect of Environment on High Temperature Low-cycle Fatigue

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