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首页> 外文期刊>Engineering Fracture Mechanics >Intralaminar fracture toughness characterisation of woven composite laminates. Part I: Design and analysis of a compact tension (CT) specimen
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Intralaminar fracture toughness characterisation of woven composite laminates. Part I: Design and analysis of a compact tension (CT) specimen

机译:机织复合材料层压板的腹内断裂韧性表征。第一部分:紧凑型拉伸(CT)试样的设计和分析

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摘要

Different geometric configurations of the compact tension (CT) specimen have been inves tigated for the characterisation of the tensile intralaminar fracture toughness of woven composite laminates. The objective is to ensure that the required crack extension for exper imental characterisation will occur in the absence of any other damage mechanism. Para metric Finite Element (FE) analyses in combination with the virtual crack closure technique (VCCT) have been carried out for the different geometries. Based on these analyses, the so-called doubly-tapered compact tension (2TCT) has been selected as the most appropriate specimen geometry.
机译:已经研究了致密拉伸(CT)样品的不同几何构型,以表征编织复合层压板的拉伸层内断裂韧性。目的是确保在不存在任何其他损坏机制的情况下,进行用于实验表征的所需裂纹扩展。针对不同的几何形状,已经进行了参数化有限元(FE)分析和虚拟裂纹闭合技术(VCCT)的结合。基于这些分析,已选择所谓的双锥度紧凑张力(2TCT)作为最合适的试样几何形状。

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