新型炭材料（中英文）2024，Vol.39Issue(4)：703-714,12.DOI:10.1016/S1872-5805(24)60874-7
碳纳米管/炭纤维/环氧树脂界面的原位热拉曼成像与应力分析
In-situ thermal Raman mapping and stress analysis of CNT/CF/epoxy interfaces
摘要
Abstract
A study of the interfacial behavior and internal thermal stress distribution in fiber-reinforced composites is essential to assess their performance and reliability.CNT/carbon fiber(CF)hybrid fibers were constructed using electrophoretic deposition.The interfacial properties of CF/epoxy and CNT/CF/epoxy composites were statistically investigated and compared using in-situ thermal Raman mapping by dispersing CNTs as a Raman sensing medium(CNTR)in a resin.The associated local thermal stress changes can be simulated by capturing the G'band position distribution of CNTR in the epoxy at different temperatures.It was found that the G'band shifted to lower positions with increasing temperature,reaching a maximum difference of 2.43 cm-1 at 100 ℃.The interfacial bonding between CNT/CF and the matrix and the stress distribution and changes during heat treatment(20-100 ℃)were investig-ated in detail.This work is important for studying thermal stress in fiber-reinforced composites by in-situ thermal Raman mapping technology.关键词
热拉曼成像/应力分布/炭纤维/碳纳米管/界面Key words
Thermal Raman mapping/Stress distribution/Carbon fiber/Carbon nanotube/Interface分类
化学化工引用本文复制引用
何敬宗,陈师,马政坤,吕永根,吴琪琳..碳纳米管/炭纤维/环氧树脂界面的原位热拉曼成像与应力分析[J].新型炭材料（中英文）,2024,39(4):703-714,12.基金项目
This work was financially supported by the ma-jor project of the National Natural Science Founda-tion of China(52090033/52090030)and the Funda-mental Research Funds for the Central Universities(CUSF-DH-T-2024002). 国家自然科学基金(52090033/52090030) （52090033/52090030）
高层次拔尖创新人才专项基金(CUSF-DH-T-2024002). （CUSF-DH-T-2024002）
