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首页> 外文期刊>Polymers for advanced technologies >Fracture and failure behavior of fabric-reinforced all-poly(propylene) composite (Curv (R))
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Fracture and failure behavior of fabric-reinforced all-poly(propylene) composite (Curv (R))

机译：织物增强的全聚丙烯复合材料（Curv（R））的断裂和破坏行为

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The in-plane static fracture of a fabric reinforced all-poly(propylene) (all-PP, Curv(R)) composite was studied at ambient temperature using the concept of the linear elastic fracture mechanics. The apparent fracture toughness was determined on single-edge notched tensile specimens (SEN-T) considering the maximum load. The related values did not differ much from those determined by the resistance curve (K-R) method. The crack growth, requested to construct the K-R curves, was traced by the movement in the center of gravity of the cumulative amplitude of the located acoustic emission (AE) events. The quality of consolidation of the all-PP composite was reflected by the force-displacement curve (appearance of pop-in), course of the cumulative AE events during loading, extension and change of the estimated damage zone during fracture. The failure behavior was studied also by fractography and is discussed. Copyright (C) 2006 John Wiley & Sons, Ltd.
机译：使用线性弹性断裂力学的概念，在环境温度下研究了织物增强的全聚丙烯（all-PP，Curv®）复合材料的面内静态断裂。考虑到最大载荷，在单边缘缺口拉伸试样（SEN-T）上确定了表观断裂韧性。相关值与通过电阻曲线（K-R）方法确定的值相差不大。根据构造的声发射（AE）事件的累积幅度在重心中的移动来跟踪要求构造K-R曲线的裂纹扩展。全PP复合材料的固结质量通过力-位移曲线（弹跳的出现），加载过程中累积AE事件的进程，断裂过程中估计的破坏区域的扩展和变化来反映。断裂行为也通过分形法进行了研究和讨论。版权所有（C）2006 John Wiley＆Sons，Ltd.

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