Longitudinal shear strength and failure process of honeycomb cores

Shi-Dong Pan; Lin-Zhi Wu; Yu-Guo Sun; Zheng-Gong Zhou; Jia-Lin Qu

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Longitudinal shear strength and failure process of honeycomb cores

机译：蜂窝芯的纵向剪切强度与破坏过程

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The longitudinal shear deformation behavior and failure process of aluminum alloy honeycomb cores are investigated by the single block shear test in this paper. The load-displacement curve that is obtained from the shear test at the room temperature shows that the shear load increases to a peak value and then tends rapidly to a constant. The shear deformation process of honeycomb cores may be approximately categorized into four stages, namely elastic deformation, plastic deformation, fracture of cell wall and debonding of honeycomb cores/facesheets. On the other hand, the longitudinal shear strength of honeycomb cores also is studied by experiment and theory. According to the elastic shear buckling theory of cell wall and the compatible uniform strain field assumption, it is found that the theoretical result is more acceptable, although it is only about half of the experimental result.

机译：通过单块剪切试验研究了铝合金蜂窝芯的纵向剪切变形行为和破坏过程。从室温下的剪切试验获得的载荷-位移曲线表明，剪切载荷增加至峰值，然后迅速趋于恒定。蜂窝状芯的剪切变形过程可以大致分为四个阶段，即弹性变形，塑性变形，孔壁破裂和蜂窝状芯/面板的剥离。另一方面，还通过实验和理论研究了蜂窝芯的纵向剪切强度。根据孔壁的弹性剪切屈曲理论和相容的均匀应变场假设，发现理论结果是可接受的，尽管仅为实验结果的一半左右。

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来源
《Composite Structures》 |2006年第1期|p.42-46|共5页
作者
Shi-Dong Pan; Lin-Zhi Wu; Yu-Guo Sun; Zheng-Gong Zhou; Jia-Lin Qu;
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作者单位

Center for Composite Materials, Harbin Institute of Technology, Harbin 150001, PR China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
hexagonal honeycomb; shear strength; failure;

机译：六角蜂窝;剪切强度;失效;

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机译：三角形建筑物蜂窝芯抗剪强度分析

Longitudinal shear strength and failure process of honeycomb cores

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