A criterion for critical junctions in elastic-plastic adhesive wear
arXiv:2110.03647 · doi:10.1103/PhysRevLett.127.185501
Abstract
We investigate elastic-plastic adhesive wear via a continuum variational phase-field approach. The model seamlessly captures the transition from perfectly brittle, over quasi-brittle to elastic-plastic wear regimes, as the ductility of the contacting material increases. Simulation results highlight the existence of a critical condition that morphological features and material ductility need to satisfy for the adhesive junction to detach a wear debris. We propose a new criterion to discriminate between non-critical and critical asperity contacts, where the former produce negligible wear while the latter lead to significant debris formation.
References in corpus (6)
- Double-slit photoelectron interference in strong-field ionization of the neon dimer
- A Fourier-accelerated volume integral method for elastoplastic contact
- Phase-field study of crack nucleation and propagation in elastic - perfectly plastic bodies
- Crack Nucleation in the Adhesive Wear of an Elastic-Plastic Half-Space
- Variational phase-field continuum model uncovers adhesive wear mechanisms in asperity junctions
- Effects of plasticity on the anisotropy of the effective fracture toughness