THE RELATIONSHIP OF THE INITIATION STAGE TO THE RATE OF SLOW CRACK-GROWTH IN LINEAR POLYETHYLENE

被引：44

作者：

LU, XC ^{[1
]}

BROWN, N ^{[1
]}

机构：

[1] UNIV PENN,RES STRUCT MATTER LAB,PHILADELPHIA,PA 19104

来源：

JOURNAL OF MATERIALS SCIENCE | 1986年 / 21卷 / 07期

关键词：

FRACTURE MECHANICS - PLASTICS - Crack Propagation;

D O I：

10.1007/BF01114287

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The rate of notch opening was observing in single-edge notched tension specimens of linear high-density polyethylene under plane strain conditions as a function of applied stress and notch depth. The accelerating part of the notch opening against time curve and the time to failure could be predicted from the initial rate of notch opening. It is concluded that the same mechanism governs the initiation stage and the subsequent crack growth rate.

引用

页码：2423 / 2429

页数：7

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