RELATIONSHIPS BETWEEN FRACTURE PARAMETERS AND FRACTURE SURFACE-ROUGHNESS OF BRITTLE POLYMERS

被引：93

作者：

ARAKAWA, K

TAKAHASHI, K

机构：

[1] Research Institute for Applied Mechanics, Kyushu University, Kasuga-shi

来源：

INTERNATIONAL JOURNAL OF FRACTURE | 1991年 / 48卷 / 02期

关键词：

D O I：

10.1007/BF00018393

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Fracture parameters such as crack velocity a, stress intensity factor K(d) and a specific crack extension resistance R* were measured for Homalite-100, PMMA and epoxy in the course of fast crack propagation using a Cranz-Schardin type high speed camera. Fracture surface roughness lambda was evaluated as a function of crack length a so that it could be correlated with the fracture parameters above. The results showed that none of those parameters could be uniquely related to lambda. Instead, there was a good correlation between lambda and a product R* a.

引用

页码：103 / 114

页数：12

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