EVALUATION OF THE RESIDUAL LIFE OF A CRACKED PLATE UNDER BLOCK LOADING

被引:0
|
作者
Andreikiv, O. E. [1 ]
Kit, M. B. [1 ]
Khyl', S. V. [1 ]
机构
[1] Franko Lviv Natl Univ, Lvov, Ukraine
关键词
fatigue cracks; residual life; period of subcritical growth of fatigue cracks; block loading; stress intensity factor; load ratio;
D O I
10.1007/s11003-012-9420-2
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
On the basis of the energy approach proposed earlier for the investigation of crack growth in solid bodies under loads varying as functions of time, we develop a method for the determination of the residual life of thin-walled elements of cracked structures under block loading. The influence of the form and structure of loading blocks on the residual life of a plate is investigated.
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页码:488 / 498
页数:11
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