By establishing representative volume units of polyvinyl chloride (PVC) matrix composites filled with calcium carbonate (CaCO 3 ) particles with different agglomeration degrees, finite element simulation analysis is conducted to predict the degree of improvement of the mechanical properties of the CaCO 3 /PVC composites by the dispersion degree of calcium carbonate particles. When the agglomeration coefficient is 0.4, the stress concentration phenomenon of the CaCO 3 /PVC composites is the weakest, and the stress distribution of the entire CaCO 3 /PVC composites is relatively uniform. At the same time, the reinforcement effect of the CaCO 3 /PVC composites’s stiffness is also the best, increasing by 13.8%.
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Shi-Jun et al. (2024) studied this question.
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