塑料压力管道快速应力开裂研究现状  

Study Status of Rapid Crack Propagation in Plastics Pressure Pipes

作　　者：赵薇娜[1] 陈利民[1] 

机构地区：[1]四川大学高分子科学与工程学院,四川成都610065

出　　处：《塑料工业》2007年第B06期58-60,共3页China Plastics Industry

摘　　要：分析了引起塑料压力管道发生力学破坏的各种影响因素,指出了快速应力开裂的危害性;概述了国内外塑料压力管道快速应力开裂研究的各种实验方法,并分析了各种方法的优缺点,对其发展方向进行了预测。Various affecting factors in progress of mechanical fracture in plastics pressure pipes were analyzed, and the endangerment of rapid crack propagation pointed out was pointed out. The testing methods for rapid crack propagation in plastics pressure pipes at home and abroad were mainly presented and evaluated, the advantages and disadvantages of each method were summarized, and the prospective application of these numerical models was also forecasted.

关 键 词：塑料压力管道 力学破坏 影响因素 快速裂纹增长 实验方法 

分 类 号：TQ320.724[化学工程—合成树脂塑料工业]