| 浅裂纹三点弯曲试件的J和r_p研究 |
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| 引用本文： | 黄筱调.浅裂纹三点弯曲试件的J和r_p研究[J].安徽工业大学学报,1987(4). |
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| 作者姓名： | 黄筱调 |
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| 作者单位： | 华东冶金学院机械工程系 |
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| 摘 要： | 本文应用位移分解法导出用于浅裂纹的 J 积分值计算式。通过五组不同 a/W 比值三点弯曲试件的断裂实验和有限元分析,研究了浅裂纹的 J 积分值和塑性转动因子 r_p。
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| 关 键 词： | 浅裂纹 断裂 J积分 |
A Study about J and rp in the Three-point Bend Specimens with Shallow Notches |
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| Huang Xiaodiao.A Study about J and rp in the Three-point Bend Specimens with Shallow Notches[J].Journal of Anhui University of Technology,1987(4). |
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| Authors: | Huang Xiaodiao |
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| Affiliation: | Mechanical Engineering Department |
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| Abstract: | This paper has deduced a J-integral formula for calculating shallow crack by the way of dissolving displacement.By fracture test of different a/w ratio for three-point bend specimens and FEM analysis,J-integral and plastic rotation fractor r_p for shallow crack have been studied. |
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| Keywords: | Shallow crack Fracture J-integral |
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