Interlayer stress in laminate beam of piezoelectric and elastic materials

Qing Sheng Yang*, Qing Hua Qin, Tong Liu

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    15 Citations (Scopus)

    Abstract

    This paper studies interfacial mechanical behavior of laminate beams, consisting of two piezoelectric facial sheets and an elastic core. The study is based on coupled multi-filed finite element formulation. The emphasis is placed on mechanical and electric behavior of interfaces between piezoelectric material and elastic material, including effect of geometrical parameters, stress distribution and stress concentration near free edge of the beam subjected to coupling electric and mechanical loads. In particular, various parametric effect of laminate beam is explored and some conclusions are presented which may be useful for designing laminate beam and minimizing stress concentration at the free edges of the beam.

    Original languageEnglish
    Pages (from-to)587-592
    Number of pages6
    JournalComposite Structures
    Volume75
    Issue number1-4
    DOIs
    Publication statusPublished - Sept 2006

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