The role of imperfect interfaces on the hereditary thermomechanics of microstructured solids
Abstract
Many energetic solids of technological interest are aggregates of micrometric particles or grains cemented together by a compliant binding phase. Despite occupying a low fraction of the total volume, the binding phase can play a central role on the overall thermomechanical behavior and sensitivity of the solid. In high energy systems the intergrain spacing is much smaller than the grain size, the binding phase can be regarded as an interphase of vanishing thickness, and the aggregate can be conceived as a microstructured solid with imperfect interfaces exhibiting hereditary behavior. Their engineering simulation thus calls for a multiscale constitutive framework that incorporates the role of imperfect interfaces on the hereditary thermomechanics of microstructured solids and that, at the same time, generates constitutive descriptions suitable for implementation into numerical codes for structural analysis.
Document Details
- Document Type
- DoD Grant Award
- Publication Date
- Jan 14, 2022
- Source ID
- FA95501910377
Entities
People
- Martin Idiart
Organizations
- Air Force Office of Scientific Research
- United States Air Force