A crystal plasticity finite element method (CPFEM) model has been developed to investigate the mechanical properties and micro-texture evolution of single-crystal aluminum induced by a sharp Berkovich indenter. The load-displacement curves, pile-up patterns and lattice rotation angles from simulation are consistent with the experimental results. The pile-up phenomenon and lattice rotation have ...

A coupling between phase transformation and viscoplasticity is observed in HTSMAs during actuation. The dislocations generated retained phases accumulated are responsible for the coupling. It results functional fatigue, which reflected as an alteration properties of alloy, increase irrecoverable deformations. objective present study was to develop a theoretical framework account interactions si...

....................................................................................................................... ii DEDICATION................................................................................................................... iv ACKNOWLEDGEMENTS................................................................................................ v VITA.............................

*Correspondence: [email protected] 1Materials Science and Engineering Department, University of California Los Angeles, Los Angeles, California, USA 2Mechanical and Aerospace Engineering Department, University of California Los Angeles, Los Angeles, California, USA Abstract The standard way of modeling plasticity in polycrystals is by using the crystal plasticity model for single crystals in eac...

• A weak magnetic field can enhance ductile-mode cutting of CaF 2 single crystal. Magnetic direction shows anisotropy in affecting ductile–brittle transition. coupled analysis magneto-plasticity and crystal plasticity is developed. Dislocation behaviour fracture toughness are revealed under field. DFT computation corroborates the magnetic-induced dislocation depinning theory. Magneto-plasticity...