高聚物形变屈服与断裂机制  

The Mechanisms of Deformation Yield and Fracture of Polymers

作　　者：孔晓华[1] 滕凤恩[1] 

机构地区：[1]吉林大学材料科学研究所,长春130023

出　　处：《材料导报》1994年第6期49-50,54,共3页Materials Reports

摘　　要：综述了有关高聚物形变机理及断裂机制的研究工作,重点指出了聚合物形变的切变屈服和银纹化屈服,及由银纹发展至裂缝的微观机制。介绍了利用连续介质的弹性力学和缺陷结构的弹性力学理论来解决高分子材料在形变过程中同力学性能有关的问题。The reserch on the mechanisms of deformation and fracture of polymers has been reviewed in this paper. The emphasis is on the mechanics of shear yielding and craze yielding,as well as the micromechanisms from craze to crack during the deformation of polymers. The problems related to the mechanical properties during the deformation of polymers can be solved by using the elastic mechanics theories of continuous medium and defect structure.

关 键 词：切变屈服 银纹化 屈服 断裂 高聚物 形变屈服 

分 类 号：TQ311[化学工程—高聚物工业]