首页> 外文期刊>Journal of Applied Polymer Science >THE CHARPY IMPACT FRACTURE BEHAVIOR OF PHENOLPHTHALEIN POLYETHER KETONE
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THE CHARPY IMPACT FRACTURE BEHAVIOR OF PHENOLPHTHALEIN POLYETHER KETONE

机译:酚酞聚醚酮的脆性冲击断裂行为。

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The Charpy impact fracture behavior of notched specimens of phenolphthalein poly(ether ketone) (PEK-C) has been studied over a range of temperature using a JJ-20 Model instrumented impact tester. For PEK-C, there exist two temperature regions which distinguish the fracture mechanism, and the brittle fracture was preferentially governed by slip or shear bands at relatively high temperatures, but by crazes at low temperatures. The temperature dependence of the ductility index (DI) shows similar peaks to the tan delta loss. (C) 1995 John Wiley and Sons, Inc. [References: 6]
机译:使用JJ-20型仪器冲击试验机研究了在一定温度范围内酚酞聚醚醚酮(PEK-C)缺口试样的夏比冲击断裂行为。对于PEK-C,存在两个区分断裂机理的温度区域,脆性断裂优先在较高温度下由滑动带或剪切带控制,而在低温下则由裂纹控制。延性指数(DI)的温度依赖性显示出与损耗角正切相似的峰值。 (C)1995 John Wiley and Sons,Inc. [参考:6]

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