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首页> 外文期刊>International Journal of Solids and Structures >Impact failure characteristics in sandwich structures Part II: Effects of impact speed and interfacial strength
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Impact failure characteristics in sandwich structures Part II: Effects of impact speed and interfacial strength

机译:夹层结构的冲击破坏特征第二部分:冲击速度和界面强度的影响

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摘要

In this paper, we describe the second part of an experimental investigation concentrating on the study of the effects of impact speed and interfacial bond strength on the dynamic failure of model sandwich structures. Results show that even small variations in impact speed and bond strength substantially influence the initiation behavior of delamination (location and nucleation time) and lead to substantially different inter-layer crack speed histories. These changes in inter-layer failure history influence the timing, sequence and final extent of subsequent intra-layer damage within the sandwich structures. (C) 2002 Published by Elsevier Science Ltd. [References: 11]
机译:在本文中,我们描述了实验研究的第二部分,重点是研究冲击速度和界面结合强度对模型夹层结构动力破坏的影响。结果表明,即使冲击速度和粘结强度发生很小的变化,也基本上会影响脱层的起始行为(位置和成核时间),并导致层间裂纹速度历史发生显着变化。层间破坏历史的这些变化会影响夹层结构内后续层内破坏的时间,顺序和最终程度。 (C)2002由Elsevier Science Ltd.发布[参考:11]

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