ON THE CONSTITUTIVE BEHAVIOR OF POLYCARBONATE UNDER LARGE DEFORMATION

被引：39
|
作者：
BUISSON, G [1 ]
RAVICHANDAR, K [1 ]
机构：
[1] UNIV HOUSTON,DEPT MECH ENGN,HOUSTON,TX 77204
来源：
POLYMER | 1990年 / 31卷 / 11期
关键词：
necking; polycarbonate; true-stress-stretch measurements;
D O I：
10.1016/0032-3861(90)90078-D
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The uniaxial stress-strain behaviour of polycarbonate (Lexan) is examined. A grid technique is used to determine the inhomogeneous strain field associated with a steadily growing neck. An extension of photoelasticity is used in obtaining the stress variation along the line of symmetry in the neck. Comparing the grid and photoelastic measurements, the true-stress-stretch curve is established for polycarbonate. © 1990.
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页码：2071 / 2076
页数：6
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