COMPOSITES SCIENCE AND ENGINEERING ›› 2026, Vol. 0 ›› Issue (5): 34-40.DOI: 10.19936/j.cnki.2096-8000.20260528.005

• BASIC AND MECHANICAL PERFORMANCE RESEARCH • Previous Articles     Next Articles

Multiscale simulation of residual stress in aluminum matrix composites reinforced with ceramic particles

LI Xiaomin1, YANG Ying2, LI Jiabao3*   

  1. 1. Department of Mechanical and Electrical Information, Maoming Polytechnic, Maoming 525000, China;
    2. School of Materials Science and Engineering, Guangdong University of Petrochemical Technology, Maoming 525000, China;
    3. School of Mechanical and Electrical Engineering, Guangdong University of Petrochemical Technology, Maoming 525000, China
  • Received:2025-04-14 Online:2026-05-28 Published:2026-07-01

Abstract: This study was to investigate the effective elastic response characteristics and residual stress evolution mechanism of ceramic particle-reinforced metal matrix composites, and an innovative multiscale elastic response model incorporating the effective representative volume elements was constructed through a multi-scale modeling strategy to achieve a cross-scale correlation from micromechanical elastic response to the macroscopic mechanical behavior. The effective elastic properties and residual stresses of composites with varying A356 contents were theoretically predicted by taking Al2O3/A356 composites as an example. The results are shown that the effective elastic constants of composites gradually decrease with the increasement of A356 contents, exhibiting a distinct softening effect. Under mechanical loading to the composites, there is compressive stresses in the Al2O3 metal phase, and the compressive residual stress in the composites varies with the A356 in a nonmonotonic pattern of first increasing and then decreasing. These predicted values of the effective elastic properties and residual stresses show a good agreement with experimental measurements, validating the accuracy of the proposed model, which provides a theoretical foundation for the forward design and performance optimization of composites.

Key words: ceramic particle, metal matrix composites, elastic properties, residual stresses

CLC Number: