摘要
研究了复合材料层合板在冲击载荷和不同温度条件下的力学行为及破坏机理。在不同温度环境下 ,利用MTS材料试验机 ,采用中等应变速率 (1/S) ,对玻璃布一环氧层板实施了冲击拉伸断裂实验 ,测试了该材料在不同温、不同应变速率下的断裂韧性值。分析了玻璃布
The combined effect of temperature and strain rate of the mechanical properties for composite laminates was studied. Using a servo hydraulic material test machine system, tensile fracture experiments of glass cloth/epoxy laminates at moderate strain rates (1/s) were performing under different temperatures (20℃ to 65℃). In terms of the experiment results the parameters of WEK fracture model are determined. Some knotty problems of fracture toughness measurement and establishing fracture model for composites are discussed. The fracture behaviour and damage expansion of composite laminates at different temperatures and strain rates are analyzed also.
出处
《应用力学学报》
CAS
CSCD
北大核心
2002年第3期133-135,共3页
Chinese Journal of Applied Mechanics
