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首页> 外文期刊>Materials Science and Engineering. A, Structural Materials: Properties, Microstructure and Processing >Strength reduction behavior of honeycomb sandwich structure subjected to low-velocity impact
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Strength reduction behavior of honeycomb sandwich structure subjected to low-velocity impact

机译：蜂窝夹层结构在低速冲击下的强度降低行为

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摘要

The paper deals with the effect of constituent materials on impact damage and strength reduction of a sandwich structure, composed of laminated facesheets and Nomex~(R) honeycomb core. Low-velocity impact tests were performed and damage was inspected by scanning acoustic microscopy. In addition, static tests were conducted under flexural loading. The damage behavior is characterized through the energy absorbed during impact. The strength reduction is evaluated via a residual strength prediction model. A statistical model is developed to identify the variation of residual strength of the impacted structure.
机译：本文研究了组成材料对夹层结构的冲击破坏和强度降低的影响，该结构由层压面板和Nomex〜（R）蜂窝芯组成。进行了低速冲击试验，并通过扫描声学显微镜检查了损伤。另外，在弯曲载荷下进行了静态测试。破坏行为的特征是冲击过程中吸收的能量。通过残余强度预测模型评估强度降低。建立统计模型以识别受影响结构的残余强度的变化。

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