Abstract
This paper discusses the different electromagnetic boundary conditions on the crack-faces in magnetoelectroelastic materials, which possess coupled piezoelectric, piezomagnetic and magnetoelectric effects. A notch of finite thickness in these materials containing air (or vacuum) is also addressed. Four ideal crack-face electromagnetic boundary condition assumptions, that is, (a) electrically and magnetically impermeable crack, (b) electrically impermeable and magnetically permeable crack, (c) electrically permeable and magnetically impermeable crack and (d) electrically and magnetically permeable crack, are investigated separately. The influence of notch thickness on the field intensity factors at notch tips and the electromagnetic field inside the notch are obtained in closed-form. The results are compared with the ideal crack solutions. Applicability of crack-face electromagnetic boundary condition assumptions is discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 387-398 |
| Number of pages | 12 |
| Journal | International Journal of Solids and Structures |
| Volume | 44 |
| Issue number | 2 |
| DOIs | |
| State | Published - 15 Jan 2007 |
| Externally published | Yes |
Keywords
- Boundary conditions
- Fracture mechanics
- Magnetoelectroelastic materials
- Notch
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