Abstract
Cracks and other defects are easily produced in the use of composite materials. If it is not repaired in time, it will reduce the service life and even bring serious safety accidents. In this study, based on the self-healing mechanism of external damage, the NSGA-II algorithm is applied to optimize the topology structure of pipe network carrier. According to the optimization results, the pipe network is made to test the interconnection of the network carrier and the mechanical performance of the composite material. And choose the appropriate light healing agent to complete the light repair experiment and test the repair effect. The results show that the embedding pipe network has a little effect on the initial mechanical property of the material. Topology optimization can improve the mechanical compatibility between the material and the pipe network. After the sample is broken, the mechanical properties of the sample can be quickly restored to 17.96% by means of 90 s light energy self-healing. It indicated that the light-triggered self-healing system had a fast repair speed.
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