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<p>This study provides theoretical support for the design of high-performance ceramic materials by predicting material properties at the microscopic level and establishing macroscopic and microscopic linkages to solve the blindness of the traditional design methods for ceramic materials. Voronoi diagram with stochastic method was used to construct a parametric model of microstructure of ceramic materials, and the optimal structural parameters were determined through performance tests and simulations: 70%, 10%, and 20% volume fractions of Al2O3, WC, and TiB2, respectively. Based on the linear elasticity and cohesion model, the loaded deformation and crack extension of the material were simulated, revealing the influence of microstructure on the mechanical properties. Ceramic materials were prepared using SPS sintering technology, and the experimental and predicted results were consistent, verifying the validity of the performance prediction. The optimization theories and methods proposed in this study are very important to improve the mechanical properties of ceramic materials.</p>

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Three-dimensional microscopic modeling and property prediction of composite ceramic materials

  • 期刊论文

  • 发表日期：

    2025年5月21日

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  • Dong Wang,
  • Fangkun Shi,
  • Bo Zhao,
  • Zhengwei Ding,
  • Dongbo Li,
  • Gang Qi

摘要

This study provides theoretical support for the design of high-performance ceramic materials by predicting material properties at the microscopic level and establishing macroscopic and microscopic linkages to solve the blindness of the traditional design methods for ceramic materials. Voronoi diagram with stochastic method was used to construct a parametric model of microstructure of ceramic materials, and the optimal structural parameters were determined through performance tests and simulations: 70%, 10%, and 20% volume fractions of Al2O3, WC, and TiB2, respectively. Based on the linear elasticity and cohesion model, the loaded deformation and crack extension of the material were simulated, revealing the influence of microstructure on the mechanical properties. Ceramic materials were prepared using SPS sintering technology, and the experimental and predicted results were consistent, verifying the validity of the performance prediction. The optimization theories and methods proposed in this study are very important to improve the mechanical properties of ceramic materials.