FINITE-ELEMENT ANALYSIS OF BEAM SPECIMENS USED TO MEASURE THE DELAMINATION RESISTANCE OF COMPOSITES

被引：0
|
作者：
HE, MY
EVANS, AG
机构：
来源：
JOURNAL OF COMPOSITES TECHNOLOGY & RESEARCH | 1992年 / 14卷 / 04期
关键词：
FINITE ELEMENT ANALYSIS; DELAMINATION; END-NOTCHED FLEXURE SPECIMENS (ENF); INTERLAMINAR FRACTURE TOUGHNESS; CRACKS;
D O I：
暂无
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
The energy release rates G applicable to various beam specimens used to measure the delamination resistance of composites have been calculated using finite element methods. The results have been compared with beam theory solutions, G(BT). While appreciable discrepancies exist, it has been found that the differences are expressible through a nondimensional parameter, rho, identified from orthotropy rescaling. Consequently, accurate solutions for G are presented in terms of G(BT), qualified by analytical series functions containing rho.
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页码：235 / 240
页数：6
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