INVESTIGATION OF FRACTURE CRITERIA OF COMPOSITE SAMPLES WITH STRESS CONCENTRATORS IN COMPRESSION

被引：2

作者：

Grishin, V. I. ^{[1
]}

Glebova, M. A. ^{[1
]}

Bespalov, V. A. ^{[2
]}

Gotselyuk, T. B. ^{[2
]}

机构：

[1] NE Zhukovsky Cent Aerohydrodynam Inst, Zhukovskii, Russia

[2] SA Tchaplygin Siberian Sci Res Inst Aircraft, Novosibirsk, Russia

来源：

COMPOSITES-MECHANICS COMPUTATIONS APPLICATIONS | 2014年 / 5卷 / 02期

关键词：

strains; finite-element mesh; concentration; strength criteria; stress; experiment;

D O I：

10.1615/CompMechComputApplIntJ.v5.i2.20

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Experimental data of the strength of composite samples with stress concentrators have been obtained; the finite-element method was used to investigate their state of stress. The level of ultimate loads and the character of fracture of the samples in the experiment were compared with the calculated field of stress distribution in the area of critical holes and with the calculated strength characteristics of the composite material of the plates, which determine the strength of the samples. Criteria for determinig the compression strength of composite structure elements with stress concentrators have been suggested.

引用

页码：111 / 145

页数：35

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