破壊力学　参照応力法によるＪ積分簡易評価法の開発

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  • Special Issue on Fracture Mechanics. Development of a Simplified J-Estimation Scheme Based on the Reference Stress Method.
  • サンショウ オウリョクホウ ニ ヨル J セキブン カンイ ヒョウカホウ ノ

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説明

Non-linear fracture mechanics is one of the most effective approaches for the integrity assessment of high temperature components. J-integral is a feasible parameter to represent fracture behavior in the non-linear regime. However, there are many difficulties in calculating an accurate value of J-integral in actual components. Some simplified methods have been proposed to estimate the J-integral, and applicability of those methods has been recognized. Although J-estimation scheme based on the reference stress method has an advantage to be applicable to many problems, the method has not been established yet. This paper presents a detailed procedure and applications for ductile fracture, creep-fatigue inhomogeneous and three-dimensional problems.

収録刊行物

  • 材料

    材料 43 (493), 1284-1289, 1994

    公益社団法人 日本材料学会

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