Micromechanical finite element predictions of a reduced coefficient of thermal expansion for 3D periodic architectured interpenetrating phase composites

  • Abueidda D
  • Dalaq A
  • Abu Al-Rub R
 et al. 
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In this paper, the effective coefficient of thermal expansion (CTE) of novel interpenetrating phase composites (IPCs) based on the mathematically-known triply periodic minimal surfaces (TPMS) is investigated. In these IPCs, different TPMS architectures are used as reinforcing solid sheets to produce composites with lower effective CTE. Several three-dimensional unit cells are generated and studied using the finite element method to estimate the effective CTE for various TPMS-based IPC architectures. The obtained results are compared with some analytical models and conventional composites. The proposed IPCs have shown promising results compared with the conventional composites.

Author-supplied keywords

  • 3-Dimensional reinforcement
  • Architectured composites
  • Coefficient of thermal expansion
  • Finite element analysis
  • Multifunctional materials
  • Unit cell approach

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