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- Title
Mode I crack in a soft ferromagnetic material.
- Authors
LIANG, W; FANG, D; SHEN, Y
- Abstract
ABSTRACT In the existing magnetoelastic theories, stress is proportional to the square of magnetic intensity and the linear model developed is usually used to analyse magnetoelastic problems. For a crack problem, the perturbation of the magnetic field caused by deformation is not much less than the applied field. In this paper, complex potentials for a mode I crack with a nonlinear relation for magnetic intensity are developed. The boundary conditions on crack faces are represented in terms of the continuity of the magnetic field. A solution of the crack problem is obtained by solving the Riemann-Hilbert problem. Making use of the solution, the effects of the boundary conditions on the crack faces on the magnetoelastic coupling are discussed.
- Subjects
BRITTLENESS; FERROMAGNETIC materials; ELECTRONICS
- Publication
Fatigue & Fracture of Engineering Materials & Structures, 2002, Vol 25, Issue 5, p519
- ISSN
8756-758X
- Publication type
Article
- DOI
10.1046/j.1460-2695.2002.00511.x