Analysis of the HRR Stress Field at the Three-Dimensional Crack TIP : Analysis of CT and CCT Specimens

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概要

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• CT specimens with different thicknesses and a CCT specimen are analyzed precisely using the three-dimensional finite element method in the elastic-plastic stress states. The stress and displacement fields at the crack tip are compared with the HRR singular stress field and discussed. It is found that in the CT specimens, the thickness of them are greater than those recommended by the standard of fracture toughness testing, the stress and displacement fields agree very well with those of HRR fields. For the CT specimen, the thickness of which is a little less than the recommended value, the HRR field exists only at the center of the specimen. It is shown that there exist no HRR fields in the CCT specimen though the thickness is not small.

• 一般社団法人日本機械学会の論文
• 1990-04-15

著者

• KIKUCHI Masanori

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

• Kikuchi Masanori

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

• Kikuchi M

  Science Univ. Tokyo Chiba‐ken Jpn

• YANO Kazunori

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

• Yano K

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

• Yano Kazunori

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

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