Determination of the Crack Resistance Characteristics of Graphitized Carbon Materials by the Dynamic Indentation Method

被引：1
|
作者：
Marusin, M. P. [1 ]
Fedorov, A. V. [1 ]
Kren', A. P. [2 ]
Gnutenko, E. V. [2 ]
机构：
[1] St Petersburg Natl Res Univ Informat Technol Mech, St Petersburg, Russia
[2] Natl Acad Sci Belarus, Inst Appl Phys, Minsk, BELARUS
来源：
MEASUREMENT TECHNIQUES | 2015年 / 57卷 / 12期
关键词：
dynamic indentation; critical stress intensity factor; modulus of elasticity; isotropic pyrolytic graphite; hardness;
D O I：
10.1007/s11018-015-0642-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We show a correlation between the loading characteristic of crack resistance (critical stress intensity factor) and the mechanical characteristics during dynamic indentation. We propose a procedure for monitoring a material in the stage preceding its fracture. We have obtained experimental results for isotropic pyrolytic graphite that support the feasibility of the procedure and the possibility of using it for nondestructive testing of graphitized carbon materials.
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页码：1411 / 1415
页数：5
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