结晶型高分子材料的平面取向演化与塑性响应

建立了描述结晶型高分子材料的平面取向演化及其塑性响应的解析框架。文中针对材料中分子链不可伸长的特点，修正了Ｔａｙｌｏｒ假定。引入连续的取向分布函数，并将它展开成不可约的张量形式表示，通过建立并求解展开系数的演化方程，最终获得问题的解。文中模拟了单轴拉伸和简单剪切时链轴朝拉伸方向偏转的过程，描述了应力的上扬硬化现象．

PLANAR TEXTURE EVOLUTION AND PLASTIC RESPONSE IN CRYSTALLINE POLYMERS

Proposes an analytical method for describing planar texture evolution andplastic responses in idealized crystailine polymers. The Taylor model is modified to take intoaccount the inextensibility of regtilarly foldetl molecular chains。 We introduce a continuousorientation distrihution function and represent it in the form of irreducible tensors.Theevolution equations for the tensor coefficients are derived and solved to obtain the evolvingtexture and the macroscopic respoiises of the material. The present mo...