Plastic η factors based on load-CMOD records for SE(B) toughness testing specimens

研究成果: Conference article

3 引用 (Scopus)

抄録

This paper addresses the accuracy of the experimental J estimation equation based on the load-CMOD curve for SE(B) specimens, proposed by Kirk and Dodds. Systematic investigations, based on 2-D FE analysis with realistic stress strain data for various materials, show that the estimation equation by Kirk and Dodds is not sensitive to the material but shows a large error for very deep cracks such as a/W=0.7. Based on slip line field analysis, a slight modification to the J estimation equation by Kirk and Dodds is given, then provides consistent results for all possible crack lengths.

元の言語English
ジャーナルKey Engineering Materials
183
出版物ステータスPublished - 2000 1 1
外部発表Yes
イベント4th International Conference on Fracture and Strength of Solids - Pohang, South Korea
継続期間: 2000 8 162000 8 18

Fingerprint

Toughness
Loads (forces)
Plastics
Testing
Cracks

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Ceramics and Composites

これを引用

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abstract = "This paper addresses the accuracy of the experimental J estimation equation based on the load-CMOD curve for SE(B) specimens, proposed by Kirk and Dodds. Systematic investigations, based on 2-D FE analysis with realistic stress strain data for various materials, show that the estimation equation by Kirk and Dodds is not sensitive to the material but shows a large error for very deep cracks such as a/W=0.7. Based on slip line field analysis, a slight modification to the J estimation equation by Kirk and Dodds is given, then provides consistent results for all possible crack lengths.",
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AB - This paper addresses the accuracy of the experimental J estimation equation based on the load-CMOD curve for SE(B) specimens, proposed by Kirk and Dodds. Systematic investigations, based on 2-D FE analysis with realistic stress strain data for various materials, show that the estimation equation by Kirk and Dodds is not sensitive to the material but shows a large error for very deep cracks such as a/W=0.7. Based on slip line field analysis, a slight modification to the J estimation equation by Kirk and Dodds is given, then provides consistent results for all possible crack lengths.

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