A FRACTURE-MECHANICAL THEORY OF SUBCRITICAL CRACK-GROWTH IN CERAMICS

被引：15
|
作者：
FETT, T
机构：
[1] Kernforschungszentrum Karlsruhe, Institut für Material- und Festkörperforschung IV, Karlsruhe
来源：
INTERNATIONAL JOURNAL OF FRACTURE | 1992年 / 54卷 / 02期
关键词：
D O I：
10.1007/BF00028914
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An interpretation is proposed of the power law describing the relation between subcritical crack growth rate and stress intensity factor. It is based on the idea that thermal transients both break and re-establish bonds. The effects, which occur during these processes are mathematically described using a Morse potential. Already the rough model employed provides enough information on bond breaking to understand the principle of subcritical crack growth.
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页码：117 / 130
页数：14
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