In present thesis, the mixed-mode interlarninar fracture characters of compositelaminate T300/5405 on hygrothermal conditions were investigated using new mixed-mode flexure (MMF) specimens.

• 本文采用混合型挠曲（MMF）试件，对T300/5405单向板在湿热条件下的混合型层间断裂特性进行了试验研究，测试了湿热环境下试件的临界能量释放率，得到了相应的混合型层间失效判据。