Study on the Ductile Fracture of a Surface Crack : (Growth of a Surface Crack and Finite Element Analysis)

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概要

• 論文の詳細を見る

• Ductile fractures of surface cracks were studied experimentally and numerically using two kinds of materials, A 508 C and WT 60. At first, fatigue pre-crack was introduced, and the aspect ratios of the growing fatigue crack were measured. Then the ductile fracture test was carried out and the distributions of SZW and Δa were measured along the crack front for different load levels. It was noticed that Δa is the largest where Φ, the angle from the surface, is nearly 30゜, which is considered to be a transition was evaluated by the finite element method, and it is shown that the J value is also largest where Φ is nearly 30゜.

• 一般社団法人日本機械学会の論文
• 1988-07-15

著者

• KIKUCHI Masanori

  Department of Mechanical Engineering, Faculty of Science and Technology, Tokyo University of Science

• Miyamoto Hiroshi

  Department of Electronic Engineering, Technical College, The University of Tokushima.

• MACHIDA Kenji

  Department of Nephrology, Kumamoto University Graduate School of Medical Sciences

• Kikuchi Masanori

  Department Of Food Production And Utility Development Graduate School Of Dairy Science Research Raku

• Kikuchi Masanori

  Faculty Of Science And Technology Science University Of Tokyo

• Machida Kenji

  Department Of Applied Chemistry Tokyo University Of Agriculture & Technology

• YANO Kazunori

  Department of Mechanical Engineering, Faculty of Science & Technology, Science University of Tokyo

• NISHIO Tamaki

  Department of Mechanical Engineering, Faculty of Science and Technology, Science University of Tokyo

• Yano Kazunori

  Department Of Mechanical Engineering Faculty Of Science And Technology Science University Of Tokyo

• Nishio Tamaki

  Department Of Mechanical Engineering Faculty Of Science And Technology Science University Of Tokyo

• Miyamoto H

  Science Univ. Tokyo Chiba Jpn

• Miyamoto Hiroshi

  Department Of Anesthesiology Showa University Fujigaoka Hospital

• MACHIDA Kenji

  Faculty of Science and Technology, Science University of Tokyo

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