中国塑料 ›› 2016, Vol. 30 ›› Issue (01): 80-85 .DOI: 10.19491/j.issn.1001-9278.2016.01.014

• 加工与应用 • 上一篇    下一篇

碳纤维增强热塑性复合材料的应变率及温度敏感性

李勇1,宋学谦2   

  1. 1. 大西铁路客专有限公司2. 郑州轻工业学院
  • 收稿日期:2015-08-17 修回日期:2016-02-25 出版日期:2016-01-26 发布日期:2016-01-26

Strain Rate and Temperature Sensitive Properties of Carbon Fiber Reinforced Thermoplastic Composites

1,Xue-Qian SONG   

  • Received:2015-08-17 Revised:2016-02-25 Online:2016-01-26 Published:2016-01-26
  • Contact: Xue-Qian SONG

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。

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

Abstract: 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.

Key words: carbon fiber, poly(ethylene terephthalate), reinforcement, strain rate, temperature sensitive property