| PREDICTION OF MODE Ⅰ CRACK PROPAGATION DIRECTION IN CARBON-FIBER REINFORCED COMPOSITE PLATE |
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| 作者姓名： | ZHANGShao-qin YANGWei-yang |
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| 作者单位： | DepartmentofAppliedScience,TaiyuanHeavyMachineryInstitude,Taiyuan030024,P.R.China |
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| 摘 要： | A newly developed Z fracture criterion for the composite materials was introduced, the new concepts of in-plane average strain, in-plane dilatational strain energy density factor and reciprocal characteristic function were presented. Many experimental results show that the Z fracture criterion can be well used to predict the crack propagating direction for mode f crack in carbon-fiber reinforced composite laminates.
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| 关 键 词： | 固体力学 裂缝传播 复合材料 Z型裂缝准则 S型裂缝准则 |
| 收稿时间： | 12 June 2001 |
Prediction of mode I crack propagation direction in carbon-fiber reinforced composite plate |
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| ZHANGShao-qin YANGWei-yang.Prediction of mode I crack propagation direction in carbon-fiber reinforced composite plate[J].Applied Mathematics and Mechanics(English Edition),2004,25(6):714-722. |
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| Authors: | Zhang Shao-qin Yang Wei-yang |
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| Institution: | (1) Department of Applied Science, Taiyuan Heavy Machinery Institude, 030024 Taiyuan, P. R. China |
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| Abstract: | A newly developed Z fracture criterion for the composite materials was introduced, the new concepts of in-plane average strain,
in-plane dilatational strain energy density factor and reciprocal characteristic function were presented. Many experimental
results show that the Z fracture criterion can be well used to predict the crack propagating direction for mode I crack in
carbon-fiber reinforced composite laminates.
Foundation items: the Natural Science Foundation of Shanxi Province (991063); the Oversea Scholar Foundation of Shanxi Province (200077)
Biographies: ZHANG Shao-qin (1953 ∼), Professor, Doctor |
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| Keywords: | composite material crack propagation Z-fracture criterion S-fracture criterion |
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