Structural integrity of composite laminates with embedded micro-sensors | Zendy

Yi Huang | Zendy; Sia NematNasser | Zendy

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Structural integrity of composite laminates with embedded micro-sensors

Author(s) -

Yi Huang,

Sia NematNasser

Publication year - 2007

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.715221

Subject(s) - embedment , materials science , composite number , composite laminates , discontinuity (linguistics) , composite material , stress (linguistics) , finite element method , stress field , stress concentration , structural engineering , fracture mechanics , mathematical analysis , linguistics , philosophy , mathematics , engineering

The study of the mechanical interaction among the host, interface, and a device embedded within a laminated composite is important. Embedding micro-sensors in composite laminates produces material discontinuity around the inclusions. This in turn produces stress concentrations at or near the inclusions. Both 2D plane strain and 3D FEM models are developed to analyze the stress/strain state surrounding the embedded micro-sensors within a unidirectional composite laminate. The objective of the present numerical effort is to take into account the observed resin-rich areas caused by embedment, and to determine their effects on the local stress field around the embedment and the corresponding potential failure modes.

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