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Compressive failure of carbon-foam sandwich composites with holes and/or partial delamination

机译：具有孔和/或部分分层的碳泡沫夹芯复合材料的压缩破坏

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摘要

Compression failure of sandwich composites made of fibrous carbon-epoxy skins and foam core was investigated using an experimental study. The sandwich specimens had holes and/or partial delamination between the skin and core, and they were subjected to compressive edge loading. Different core thicknesses of sandwich specimens were considered, and hole sizes and locations were varied to examine their effects on the compression failure. The study also included compression of delaminated specimens. In order to better understand the failure mechanism, a numerical study was also conducted.
机译：利用实验研究了纤维状碳环氧表皮和泡沫芯制成的三明治复合材料的压缩破坏。夹层样品在表皮和芯子之间有孔和/或部分分层，并且承受压缩边缘载荷。考虑了夹心样品的不同芯厚度，并改变了孔的大小和位置以检查其对压缩破坏的影响。该研究还包括分层试样的压缩。为了更好地了解失效机理，还进行了数值研究。

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