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应变率效应对短纤维增强热塑性树脂PPS力学性能的影响

, PP. 89-94

Keywords: 短纤维增强PPS,应变率效应,力学性能,断口形貌

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Abstract:

本文通过大量的实验,研究了应变率效应对短纤维增强热塑性树脂PPS(聚苯硫醚)力学性能的影响,应变率变化范围从10-4/s~102/s.并对断口形貌及破坏形式进行了观察.研究结果表明:应变率较高时对材料的强度和模量有明显影响,而且应变率不同断口形貌也存在一定的差别.断口形貌呈脆性破坏.

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