Size Effect on the Load-displacement Curves of Compact Specimen of SUS 316 Steel

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概要

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• The size effect on the crack growth in SUS 316 steel was studied by observations of load-displacement curves of many proportional compact specimens with various nominal widths. When the thickness was less than 0.2 times the width, the critical crack-tip opening-displacement (CTOD) for the start of steady crack growth was proportional to the thickness. The proportional constant was expressed by the experimental constants (yield stress, work-hardening parameters and fracture true stress) obtained by the unidirectional tensile tests. It was concluded that a ductile crack grows when the normal stress ahead of the crack-tip exceeds the fracture true stress of the materials.

• 一般社団法人日本機械学会の論文

著者

• NISHIJIMA Satoshi

  National Research Institute for Metals

• TAKEUCHI Tomoynki

  National Research Institute for Metals

• YASUNAKA Takashi

  National Research Institute for Metals

関連論文

• Fatigue Life Prediction under Gaussian Type Random Loading
• Size Effect on the Load-displacement Curves of Compact Specimen of SUS 316 Steel
• Young's Modulus and Poisson's Ratio on Low-Cycle Fatigue
• Low-Cycle Fatigue Properties for High Strength Steels
• Determination of dynamic elastic-plastic fracture toughness by a drop-weight impact testing machine.

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