Hydrogen embrittlement in micro-architectured materials

Hydrogen embrittlement is a classical problem in bulk materials while it rather untouched for advanced such as micro-architectured materials. This can be barrier to industrial adoption of these where hydrogen present popular source energy. In this study, we developed numerical scheme assess the degradation metallic The built on concept elastoplastic homogenization and two theories, i.e. enhanced decohesion (HEDE) localized plasticity (HELP). use allows explicit definition unit-cell, drastically improving computation time. loci specific materials, that cubic (with 10%, 20% 30% relative densities) body-center density), are numerically characterized. Additionally, influence unit-cell topology, density, trap homogenized macroscopic material determined. Finally, unique failure locus provided generic with arbitrary densities. law independent density interpreted property, contributing design charts.