FRACTURE-MECHANICS OF FRACTURE MIRRORS

被引：45

作者：

KIRCHNER, HP

KIRCHNER, JW

机构：

[1] Ceramic Finishing Company, State College, Pennsylvania

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1979年 / 62卷 / 3-4期

关键词：

D O I：

10.1111/j.1151-2916.1979.tb19053.x

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Stress‐intensity‐factor calculations were used to account for variations in the shapes of fracture mirrors caused by surfaces and by nonuniform stress fields (flexure). The validity of the stress‐intensity criterion for crack branching was confirmed. The stress‐intensity factor at crack branching, KB, for flint glass was determined to be 2.55 MN m−3/2. Also, the stress‐intensity‐factor calculations account for the transition from mist to mir‐rorlike regions as a neutral axis is approached, in cases in which this is observed. The results are compared with earlier results. Copyright © 1979, Wiley Blackwell. All rights reserved

引用

页码：198 / 202

页数：5

共 22 条

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