A practical analytic model for predicting the performance of an encapsulated polymer composite |
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| Affiliation: | 1. School of Materials Engineering, Jiangsu University of Technology, Changzhou, Jiangsu Province 213001, China;2. Mechatronic Institute, Zhejiang Sci-Tech University, Hangzhou, Zhejiang Province 310018, China;3. School of Information, Zhejiang Sci-Tech University, Hangzhou, Zhejiang Province 310018, China;1. State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China;2. Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing 100124, China;1. College of Mathematics and Computer Sciences, Fuzhou University, Fuzhou, Fujian 350116, China;2. Key Laboratory of Network Computing and Intelligent Information Processing, Fujian Province 350116, China |
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| Abstract: | A novel model is presented for simulating the characteristics of a micro-encapsulated composite. The procedure initiated utilizing particle size analysis (PSA) to obtain the volume based average diameter and average spacing between the microcapsules in the composite. Results of this procedure were verified by scanning electron microscopy (SEM). Then, a simple model was presented to predict the healing percent of a triangular crack propagating in the composite. In order to obtain more detailed results, a probabilistic model was also suggested for the planar and triangular cracks, which gave the probability of crack incidence for different number of capsules to be intersected. Results of this method were then validated in comparison with the results independently obtained using a simulation by computer programming. The comparison showed close agreement between the analytical results and the simulations which present the current model and simulations as a promising method for investigating the characteristics of the encapsulated self-healing composites. |
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