Impact of material and physical parameters of the crack layer theory on slow crack growth behavior of high density polyethylene

被引：14

作者：

Wee, Jung-Wook ^{[1
]}

Choi, Byoung-Ho ^{[1
]}

机构：

[1] Korea Univ, Sch Mech Engn, 1 5 Ga, Seoul 136701, South Korea

来源：

ENGINEERING FRACTURE MECHANICS | 2017年 / 175卷

关键词：

Crack layer theory; Slow crack growth; Modeling; High density polyethylene; Parametric study; STEPWISE FATIGUE; PROCESS-ZONE; PROPAGATION; LIFETIME;

D O I：

10.1016/j.engfracmech.2017.01.028

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The crack layer theory, proposed by A. Chudnovsky many years ago, can be a very effective tool to quantitatively model slow crack growth in engineering thermoplastics. However, the large number of input parameters required by this theory has been a technical hurdle for its use in industrial and research applications. Thus, in order to achieve a practical applicability of the crack layer theory, a clear understanding of the effect of each parameter on slow crack growth is quite important. In this study, simulations of slow crack growth in high density polyethylene are performed using the crack layer theory for various key parameters, and the effect of each parameter on crack growth behavior in high density polyethylene is investigated. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：101 / 114

页数：14

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