Effect of finite cracking on the magneto-electric coupling properties of magneto-electro-elastic composite laminates

Baolin Wang, Jiecai Han

    Research output: Contribution to journalArticle

    Abstract

    Magneto-electro-elastic composites can be developed in the form of a composite laminate by alternating the ferromagnetic layers and ferroelectric layers during stacking. Presence of interfacial crack may influence the magneto-electro-mechanical coupling behavior of magneto-electro-elastic materials considerably. This article establishes an analytical model for the analysis of interfacial crack problem in a layered magneto-electro-elastic medium. Unlike most existing studies, this article focuses on the magneto-electro-elastic laminate of finite size both in the thickness and the length directions. According to the boundary conditions, the mechanical, electric, and magnetic fields in the cracked magneto-electro-elastic laminate are formulated by singular integral method. The effect of interfacial cracking on the effective properties of the magneto-electro-elastic composites is studied. In addition, the crack tip field intensity factors are also given as they are not available in open literature.
    Original languageEnglish
    Pages (from-to)1669-1679
    Number of pages11
    JournalJournal of Intelligent Material Systems and Structures
    Volume21
    Issue number16
    DOIs
    Publication statusPublished - Nov 2010

    Fingerprint

    Laminates
    Composite materials
    Cracks
    Electromechanical coupling
    Crack tips
    Ferroelectric materials
    Analytical models
    Electric fields
    Boundary conditions
    Magnetic fields
    Direction compound

    Cite this

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    abstract = "Magneto-electro-elastic composites can be developed in the form of a composite laminate by alternating the ferromagnetic layers and ferroelectric layers during stacking. Presence of interfacial crack may influence the magneto-electro-mechanical coupling behavior of magneto-electro-elastic materials considerably. This article establishes an analytical model for the analysis of interfacial crack problem in a layered magneto-electro-elastic medium. Unlike most existing studies, this article focuses on the magneto-electro-elastic laminate of finite size both in the thickness and the length directions. According to the boundary conditions, the mechanical, electric, and magnetic fields in the cracked magneto-electro-elastic laminate are formulated by singular integral method. The effect of interfacial cracking on the effective properties of the magneto-electro-elastic composites is studied. In addition, the crack tip field intensity factors are also given as they are not available in open literature.",
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    Effect of finite cracking on the magneto-electric coupling properties of magneto-electro-elastic composite laminates. / Wang, Baolin; Han, Jiecai.

    In: Journal of Intelligent Material Systems and Structures, Vol. 21, No. 16, 11.2010, p. 1669-1679.

    Research output: Contribution to journalArticle

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