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材料工程  2014 

X-cor夹层结构的剪切模量实验与分析

DOI: 10.11868/j.issn.1001-4381.2014.05.011, PP. 59-65

Keywords: X-cor夹层结构,剪切模量,刚度折减,修正理论公式,改进工艺方法

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Abstract:

通过力学分析得到考虑Z-Pin拉压受力情况的X-cor夹层结构剪切模量的解析式,并通过剪切刚度实验值和理论值的对比分析,得到考虑刚度折减系数M的修正理论公式。结果表明加载过程中,Z-Pin从面板拔出是剪切刚度折减的原因。通过缩小Z-Pin长度的差异及提高Z-Pin从面板拉脱力的大小增大剪切刚度折减系数M,进而提高夹层结构的剪切刚度。

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