THE STRESS-FIELD AND INTENSITY FACTOR DUE TO CRAZES FORMED AT THE POLES OF A SPHERICAL INHOMOGENEITY

Authors
Citation
Zm. Xiao et Kd. Pae, THE STRESS-FIELD AND INTENSITY FACTOR DUE TO CRAZES FORMED AT THE POLES OF A SPHERICAL INHOMOGENEITY, Journal of applied mechanics, 61(4), 1994, pp. 803-808
Citations number
16
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Mechanics
ISSN journal
0021-8936
Volume
61
Issue
4
Year of publication
1994
Pages
803 - 808
Database
ISI
SICI code
0021-8936(1994)61:4<803:TSAIFD>2.0.ZU;2-V
Abstract
The problem of two penny-shaped crazes formed at the top and the botto m poles of a spherical inhomogeneity has been investigated. The inhomo geneity is embedded in an infinitely extended elastic body which is un der uniaxial tension. Both the inhomogeneity and the matrix are isotro pic but have different elastic moduli. The analysis is based on the su perposition principle of the elasticity theory and Eshelby's equivalen t inclusion method. The stress field inside the inhomogeneity and the stress intensity factor on the boundary of the craze are evaluated in the form of a series which involves the ratio of the radius of the pen ny-shaped craze to the radius of the spherical inhomogeneity. Numerica l examples show the interaction between the craze and the inhomogeneit y is strongly affected by the elastic properties of the inhomogeneity and the matrix. The conclusion deduced from the numerical results is i n good agreement with experimental results given in the literature.