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- Title
循环湿热老化对T700/TDE86 碳纤维复合材料 层间断裂韧度的影响.
- Authors
徐凯龙; 刘璐璐; 赵振华; 双 超; 陈 伟
- Abstract
The artificial accelerated cyclic hygrothermal aging test was conducted on T700/TDE86 carbon fiber reinforced resin matrix composites, and the effects of different cyclic hygrothermal aging days on interlaminar fracture toughness of composites with open type (mode Ⅰ) and slip type (mode Ⅱ) were investigated. The results show that the model Ⅰ interlaminar fracture toughness of composite after cyclic hygrothermal aging exists an obvious R curve, the initial extend energy release rate (GIC,init) and the propagational extend energy release rate (GIC,prop) of composite are improved remarkably with the increase of cyclic hygrothermal aging days. The model Ⅱ interlaminar fracture toughness of composite appears a trapezoidal descent with the increase of cyclic hygrothermal aging days, and the decline is the largest at the early stage of cyclic hygrothermal aging and the largest descent is 21.68%.
- Publication
Journal of Aeronautical Materials, 2019, Vol 39, Issue 4, p40
- ISSN
1005-5053
- Publication type
Article
- DOI
10.11868/j.issn.1005-5053.2018.000072