| 低速冲击下纤维/金属层合板抗分层性能研究 |
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| 引用本文： | 涂文琼, 陈建桥, 魏俊红. 低速冲击下纤维/金属层合板抗分层性能研究[J]. 固体力学学报, 2012, 33(2): 182-188. doi: 10.3969/j.issn.0254-7805.2012.02.008 |
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| 作者姓名： | 涂文琼 陈建桥 魏俊红 |
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| 作者单位： | 华中科技大学力学系,工程结构分析与安全评定湖北省重点实验室,武汉,430074; 华中科技大学力学系,工程结构分析与安全评定湖北省重点实验室,武汉,430074; 华中科技大学力学系,工程结构分析与安全评定湖北省重点实验室,武汉,430074 |
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| 基金项目： | 国家自然科学基金，高校博士点基金，中央高校基本科研业务费和HUST |
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| 摘 要： | 论文采用内聚力模型,对纤维/金属层合板(FMLs)在低速冲击载荷作用下抗分层性能进行研究.内聚力模型对裂纹的模拟具有它独特的优势:一是该模型不需要预先假设初始缺陷;二是在计算过程中随着裂纹的扩展,该方法不需要重新对结构进行网格划分.借助该模型,论文对低速冲击载荷作用下,纤维层合板(FRP)分层进行了模拟,并验证了该模型计算的有效性.在此基础上,论文研究了低速冲击载荷作用下,不同金属含量的纤维/金属层合板抗分层性能,并与纤维层合板进行了比较.最后从能量的角度讨论了金属含量与铺层结构对FMLs低速冲击性能的影响.
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| 关 键 词： | 纤维/金属层合板 内聚力模型 低速冲击 分层 |
| 收稿时间： | 2011-01-18 |
STUDY ON THE DELAMINATION OF FIBER-METAL LAMINATES UNDER LOW-VELOCITY IMPACT |
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| Wenqiong Tu, Jianqiao Chen, Junhong Wei. STUDY ON THE DELAMINATION OF FIBER-METAL LAMINATES UNDER LOW-VELOCITY IMPACT[J]. Chinese Journal of Solid Mechanics, 2012, 33(2): 182-188. doi: 10.3969/j.issn.0254-7805.2012.02.008 |
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| Authors: | Wenqiong Tu Jianqiao Chen Junhong Wei |
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| Affiliation: | Wenqiong Tu Jianqiao Chen Junhong Wei(Huazhong University of Science and Technology,Department of Mechanics, Hubei Key Laboratory for Engineering Structure Analysis and Safaty Assessment,Wuhan,430074) |
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| Abstract: | The delamination of fiber-metal laminates(FMLs) under low-velocity impact is studied by employing the cohesive zone model.To validate the cohesive zone model in dealing with delamination of composite laminates,the delamination simulation is executed under the low-velocity impact and a relative good agreement with experimental data is achieved.Then,the delamination of FMLs with different metal ratios under low-velocity impact is computationally investigated and the results are compared with that of composite laminates.Finally,the effects of the lay-up and the content ratio of metal to the fiber on the delamination of fiber/metal laminates are studied from the viewpoint of the energy conservation. |
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| Keywords: | fiber/metal laminates(FMLs) cohesive zone model low-velocity impact delamination |
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