Quantification Of Three-Dimensional Elastic-Plastic Crack-Tip Stress Fields
Conventional structural integrity assessments are formulated based on plane strain fracture toughness to provide a conservative estimate of failure. However, such approach often leads to unnecessary repair and shutdown of structures. This conservatism has been minimized by the two-parameter fracture...
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| フォーマット: | 学位論文 |
| 言語: | English |
| 出版事項: |
2018
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| オンライン･アクセス: | http://eprints.usm.my/56402/1/Quantification%20Of%20Three-Dimensional%20Elastic-Plastic%20Crack-Tip%20Stress%20Fields_Norwahida%20Yusoff.pdf http://eprints.usm.my/56402/ |
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| 要約: | Conventional structural integrity assessments are formulated based on plane strain fracture toughness to provide a conservative estimate of failure. However, such approach often leads to unnecessary repair and shutdown of structures. This conservatism has been minimized by the two-parameter fracture mechanics J − T/Q. However, the J − T/Q approach is incapable of quantifying three-dimensional cracktip constraint loss that leads to the emergence of new three-dimensional techniques in fracture mechanics. |
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