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Stress intensity factors of a central slant crack with frictional surfaces in plates with biaxial loading
Faculty
Not Specified
Year:
2004
Type of Publication:
Article
Pages:
141-148
Authors:
Sallam, HEM, HAMMOUDA, MMI, Fayed, AS
DOI:
10.1023/B:FRAC.0000045714.80342.a3
Journal:
INTERNATIONAL JOURNAL OF FRACTURE KLUWER ACADEMIC PUBL
Volume:
129
Research Area:
Materials Science; Mechanics
ISSN
ISI:000225464900003
Keywords :
biaxial loading, contact mechanics, finite element analysis, friction, slant crack, stress intensity factor
Abstract:
The stress intensity factor is a traditional topic in mechanics and there have been many solutions for many different cases. The closed frictional crack problem has been modeled in the rock mechanics field where fractures are mostly under compression. Further, the effect of finite plate dimensions under biaxial loading has not been considered in the literature. The key contribution of the present paper is to evaluate the effect of the crack length to plate width ratio on the mode I and II stress intensity factors (SIF) of a central slant crack with frictional surfaces in plates with biaxial loading of different patterns, i.e. tension-tension, tension-compression, compression-tension or compression-compression. A plane strain elastic two-dimensional finite element analysis was adopted. Crack length to plate width ratios equal to 0.1, 0.3 and 0.5 with biaxial ratios from -1 to 1, crack angles from 0degrees to 90degrees and friction coefficients from 0 to 1 were considered. Contact regimes and the effect of the crack length to plate width ratio were found dependent on biaxial ratio and pattern, friction coefficient and crack angle.
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