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碳纤维增强热塑性复合材料的应变率及温度敏感性 被引量:2

Strain Rate and Temperature Sensitive Properties of Carbon Fiber Reinforced Thermoplastic Composites
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摘要 研究了碳纤维增强聚对苯二甲酸乙二醇酯(PET/CF)复合材料在不同应变率及温度条件下的拉伸性能及损伤模式,拉伸应变率从0.001 s^(-1)至50 s^(-1),温度从-40℃至80℃。结果表明,随着应变率的增加,复合材料的弹性模量、拉伸强度均有所提高;随温度的升高,其弹性模量、拉伸强度均降低,而失效应变逐渐增大,表现出较强的应变率及温度敏感性。 The tensile behavior of carbon fiber reinforced poly(ethylene terephthalate) was studied at strain rates from 0. 001 s-1 to 50 s-1 and temperatures from -40 ℃ to 80 ℃. The tensile strength increased with increasing strain rate, and decreased with increasing temperature. In contrast, the failure strain increased with increasing temperature.
作者 李勇 宋学谦
出处 《中国塑料》 CAS CSCD 北大核心 2016年第1期80-85,共6页 China Plastics
关键词 碳纤维 聚对苯二甲酸乙二醇酯 增强 应变率 温度敏感性 carbon fiber poly(ethylene terephthalate) reinforcement strain rate temperaturesensitive property
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