MIXED-MODE FRACTURE OF A LUBRICATED INTERFACE

被引:15
|
作者
THOULESS, MD
机构
[1] IBM Research Division, T.J. Watson Research Center, Yorktown Height
来源
ACTA METALLURGICA ET MATERIALIA | 1992年 / 40卷 / 06期
关键词
D O I
10.1016/0956-7151(92)90428-H
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The fracture of an interface containing a liquid was investigated under nominally mixed-mode conditions. The experiments were designed to be a study of a model interface for which frictional effects are minimised. Alternatively, the system could be considered to provide an analogy for an interface along which there is little resistance to shear. The fracture resistance was found to be independent of the nominal phase angle, and it was in excellent agreement with the interfacial surface energy determined by a capillary-rise experiment. Furthermore, the study emphasised the importance of the difference between a nominal phase angle determined from macroscopic considerations and the local phase angle appropriate for the crack-tip region,
引用
收藏
页码:1281 / 1286
页数:6
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