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首页> 外文会议>Annual Meeting of the JSME/MMD >Strength Recovery and Microstructure Optimization of Polymer Composites Encompassing Self-Healing of Interfacial Deboning
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Strength Recovery and Microstructure Optimization of Polymer Composites Encompassing Self-Healing of Interfacial Deboning

机译：高分子复合材料的强度恢复和微观结构优化，包括界面衰退的自我愈合

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This study focuses on the optimizing the microstructure to improve the efficiency for healing interfacial debonding in fiber-reinforced polymers (FRPs). Healing is accomplished by incorporating a microcapsulated healing agent and catalytic chemical trigger within a coating layer on the surface of the fiber strands. Self-healing is demonstrated on flat tensile specimens of unidirectional FRPs. The effects of microcapsule diameter and concentration, and number of filaments in the fiber strand on tensile strength of virgin and healed specimens are discussed. Microstructure of the fracture surfaces of specimens was also examined by a scanning electron microscope. Additionally, finite element analyses were performed to predict the microcapsule-matrix debonding process during uniaxial tensile loading.
机译：本研究侧重于优化微观结构，以提高纤维增强聚合物（FRPS）中愈合界面剥离的效率。通过在纤维股的表面上掺入涂层内的微胶囊愈合剂和催化化学触发来完成愈合。在单向FRP的平坦拉伸标本上证明了自我愈合。讨论了微胶囊直径和浓度的影响，以及纤维股中的长丝数在原始和愈合标本的拉伸强度上。还通过扫描电子显微镜检查样品的断裂表面的微观结构。另外，进行有限元分析以预测单轴拉伸载荷期间的微胶囊 - 基质剥离过程。

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