Effects of gamma irradiation on the stress relaxation of drawn ultrahigh molecular weight polyethylene

被引：10

作者：

Djokovic, V ^{[1
]}

Kostoski, D ^{[1
]}

Dramicanin ^{[1
]}

Dudic, D ^{[1
]}

机构：

[1] Vinca Inst Nucl Sci, YU-11001 Belgrade, Yugoslavia

来源：

RADIATION PHYSICS AND CHEMISTRY | 1999年 / 55卷 / 5-6期

关键词：

D O I：

10.1016/S0969-806X(99)00255-8

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Effects of high energy radiation on stress relaxation behavior of unoriented (lambda = 1) and oriented (lambda = 9) ultrahigh molecular weight polyethylene (UHMWPE) were investigated. As in a previous study, the stress relaxation is interpreted in terms of a model that consists of two thermally activated processes acting parallel. The first process is related to crystal and the second to the amorphous fraction. Application of the two-process model enabled separate studying of the influence of irradiation on viscoelastic behavior of these two fractions. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：605 / 607

页数：3

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