✦ LIBER ✦

Interfacial crack problem in layered soft ferromagnetic materials in uniform magnetic field

✍ Scribed by She-Xu Zhao; Kang Yong Lee

Publisher: Elsevier Science
Year: 2007
Tongue: English
Weight: 235 KB
Volume: 34
Category: Article
ISSN: 0093-6413
DOI: 10.1016/j.mechrescom.2006.06.001

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✦ Synopsis

The magnetoelastic plane strain problem of an interfacial Griffith crack between two dissimilar soft ferromagnetic elastic materials subjected to a uniform magnetostatic field is considered within the framework of linear magnetoelasticity. By making use of the Fourier integral transform technique, the mixed boundary problem is then reduced to a pair of singular integral equations of the second kind. Solutions of the singular integral equations are obtained numerically by means of a Jacobi polynomial expansion method. Effects of the magnetic field, the combinations of the magnetic properties of materials and the geometric parameters on the magnetoelastic stress intensity factors in the vicinity of crack tip are shown graphically.

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