EFFECT OF MICROSTRUCTURE ON THE PERFORMANCE OF UNIDIRECTIONAL FIBER COMPOSITES ENCOMPASSING SELF-HEALING OF INTERFACIAL DEBONDING
This paper reports on analytical and experimental investigations of optimizingthe microstructure to improve the efficiency for healing interfacial debonding infiber-reinforced polymers (FRPs).Healing is accomplished by incorporating amicrocapsulated healing agent and catalytic chemical trigger within a coating layeron the surface of the fiber strands.Self-healing is demonstrated on fiat tensilespecimens of unidirectional FRPs.The effects of microcapsule diameter andconcentration,and number of filaments in the fiber strand on tensile strength ofvirgin and healed specimens are discussed.Additionally,finite element analyseswere performed to predict the microcapsule-matrix debonding process duringuniaxial tensile loading.
Material testing Finite element method Composite material Tensile properties Repair
K.Sanada N.Itaya Y.Shindo
Department of Mechanical Systems Engineering,Faculty of Engineering,Toyama Prefectural University,Ku Department of Materials Processing,Graduate School of Engineering,Tohoku University,Aoba-yama 6-6-02
国际会议
第二届国际非均质材料力学会议(The Second International Conference on Heterogeneous Material Mechanics)
安徽黄山
英文
736-739
2008-06-03（万方平台首次上网日期，不代表论文的发表时间）