ELASTIC/PLASTIC INDENTATION IN CERAMICS: A FRACTURE TOUGHNESS DETERMINATION METHOD.

被引：84
|
作者：
Miranzo, P. [1 ]
Moya, J.S. [1 ]
机构：
[1] Inst de Ceramica y Vidrio, Madrid, Spain, Inst de Ceramica y Vidrio, Madrid, Spain
来源：
Ceramics International | 1984年 / 10卷 / 04期
关键词：
MATERIALS TESTING - Notched Bar;
D O I：
10.1016/0272-8842(84)90005-1
中图分类号：
学科分类号：
摘要：
An extensive literature survey of the evolution of the indentation technique is made. The elastic/plastic solution for the spherical cavity expansion is used to obtain a physical explanation for the quantitative measurement of the radial cracks that occur at the indentation impression corners. Finally an expression based on the mentioned theory is given. Experimental data from a series of brittle materials are well fitted by this expression.
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页码：147 / 152
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