| A review of the effect of a/ W ratio on fracture toughness （Ⅲ） ——theoretical analysis |
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| 引用本文： | LI Qing-fen ZHENG Wei SHU Hai-sheng. A review of the effect of a/ W ratio on fracture toughness （Ⅲ） ——theoretical analysis[J]. 船舶与海洋工程学报, 2005, 4(3): 1-4. DOI: 10.1007/s11804-005-0013-4 |
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| 作者姓名： | LI Qing-fen ZHENG Wei SHU Hai-sheng |
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| 作者单位： | School of Mechanical and Electrical Engineering,Harbin Engineering University, Harbin 150001, China |
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| 基金项目： | ACKN0WLEDGEMENTS The author Qingfen Li gratefully acknowledges Professor J. W. Hancock for his help during her stay in the Department of Mechanical Engineering, University of Glasgow. The work of Professor J. W. Hancock had been also greatly helpful to her. |
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| 摘 要： | ![]()
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| 关 键 词： | 船舶 韧性 塑料 弹性 |
| 文章编号： | 1671-9433（2005）03-0001-04 |
| 收稿时间： | 2004-12-08 |
A review of the effect of a/W ratio on fracture toughness (III) —theoretical analysis |
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| Li Qing-fen,Zheng Wei,Shu Hai-sheng. A review of the effect of a/W ratio on fracture toughness (III) —theoretical analysis[J]. Journal of Marine Science and Application, 2005, 4(3): 1-4. DOI: 10.1007/s11804-005-0013-4 |
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| Authors: | Li Qing-fen Zheng Wei Shu Hai-sheng |
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| Affiliation: | (1) School of Mechanical and Electrical Engineering, Harbin Engineering University, 150001 Harbin, China |
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| Abstract: | ![]()
In part I and II of this series, experimental investigation in both EPFM and LEFM had been discussed. In this part, further theoretical analysis is given. The theoretical development of Two Parameter Fracture Mechanics by Hancock etc, has rationalized our experimental results. This method can be applied to engineering practice, and will allow the advantage of enhanced toughness for specimens with low levels of constraint to be taken into account for defect assessment. |
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| Keywords: | two parameter fracture mechanics T-stress constraint fracture toughness a/ W ratio |
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