10 April 2007 Structural integrity of composite laminates with embedded micro-sensors
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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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Yi Huang, Sia Nemat-Nasser, "Structural integrity of composite laminates with embedded micro-sensors", Proc. SPIE 6530, Sensor Systems and Networks: Phenomena, Technology, and Applications for NDE and Health Monitoring 2007, 65300W (10 April 2007); doi: 10.1117/12.715221; https://doi.org/10.1117/12.715221

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