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Self-healing composite sandwich structures
Smart Materials and Structures, 2007Impact damage can degrade the flexural strength of composite sandwich structures by over 50% due to a loss of skin support inducing localized skin buckling. Various self-healing methodologies have been applied to laminated composites but the concept of delivering a healing agent from a remote reservoir to a region of damage via a vascular network ...
Williams, Hugo R +2 more
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Partially Composite Sandwich Panel Deflections
Journal of Structural Engineering, 1995A continuum model for evaluating partially composite insulated concrete sandwich panel deflections with discrete shear connectors due to differential volume changes such as those caused by differences in temperature between the wythes is evaluated for accuracy by comparison with finite-element analysis.
David C. Salmon, Amin Einea
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Sandwich PZT/polymer composite transducer
Ferroelectrics, 1983Abstract Sandwich composite materials consisting of one PZT/polymer middle layer and two solid PZT surface layers have been tested for use as a hydrophone and NDT transducer. The effects of the thick fraction of solid PZT surface layer, of filling porous layer with polymer and hydrostatic pressure on the electromechanical properties are described.
Zhuang Yong-Qiu +2 more
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Self-healing sandwich composite structures
SPIE Proceedings, 2012Previous research demonstrated that a thin self-healing layer is effective in recovering partial sandwich composite performance after an impact event. Many studies have been conducted that show the possibility of using Fiber Bragg Grating (FBG) sensors to monitor the cure of a resin through strain and temperature monitoring. For this experiment, FBG
D. Fugon, C. Chen, K. Peters
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Indentation of composite sandwich beams
The Journal of Strain Analysis for Engineering Design, 1996Indentation of a sandwich beam is analysed as linear elastic bending of the top skin on a rigid-perfectly plastic foundation (the core). The theoretical predictions of fracture load from this simple theory are shown to be in good agreement with experimental results from indentation tests on strips of sandwich panel, with glass-fibre-reinforced plastic
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Characterization of Wood-Polypropylene Composite Sandwich System
Journal of Composite Materials, 2000A new wood-polypropylene composite sandwich was made by bonding unidirectional continuous glass fiber reinforced polypropylene (UCGPP) composite to oak wood using a thermoplastic tie layer. In order to evaluate the practical utility of wood-composite sandwich systems, the effects of moisture changes in both continuous and cyclic manner were ...
Ganesan Kumar, Karthik Ramani
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Optimization for buckling of composite sandwich plates
AIAA Journal, 1997Summary: Consider a composite sandwich plate with balanced or unbalanced anisotropic composite laminated faces and an ideally orthotropic core. A closed-form solution of the buckling load is derived for the composite sandwich plates consisting of cross-ply symmetric laminate faces with all edges simply supported.
Moh, Jau-Sung, Hwu, Chyanbin
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Composite Foams for Sandwich Structures
Journal of the Korean Ceramic Society, 2003Recent work at USC has focused on strategies to enhance the toughness and overall mechanical performance of polymer foams for use in lightweight sandwich structures. Both mechanical and chemical approaches have been employed with reasonable success.
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