Elastoplastic Behaviour of Composite Laminates

S. Meili; P. Priolo

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Elastoplastic Behaviour of Composite Laminates

机译：复合材料层压板的弹塑性行为

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Ductile matrix composites undergo plastic deformation even at low stress levels. In this paper the elastoplastic behaviour of APC2 (AS4/PEEK) laminas is studied by means of a one-parameter plastic potential. The extension to laminates of constitutive relations that are based on this yield function is examined; a comparison is made between experimental data and numerical results obtained by integrating the elastoplastic relations for various stacking sequences monotonically loaded. Results are also shown regarding notched strength prediction of angle-ply laminates with a circular hole, based on an elastoplastic behaviour assumption.

机译：韧性基体复合材料即使在低应力水平下也会发生塑性变形。本文通过一参数塑性势研究了APC2（AS4 / PEEK）层板的弹塑性行为。研究了基于此屈服函数的本构关系对叠层的扩展；通过对单调加载的各种堆叠序列的弹塑性关系进行积分获得的实验数据和数值结果之间进行了比较。还显示了基于弹塑性行为假设的带有圆孔的角铺层层压板缺口强度预测的结果。

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《Key Engineering Materials》 |1998年第1998期|p.43-52|共10页
作者
S. Meili; P. Priolo;
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正文语种 eng
中图分类工程基础科学;
关键词
Thermoplastic Composites; Elastoplasticity; Notch Effect;

机译：热塑性复合材料;弹塑性缺口效应;

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Elastoplastic Behaviour of Composite Laminates

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