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Phase field approach to interaction between phase transformations and plasticity at the nanoscale at large strains
V. I. Levitasa, M. Javanbakhtb a Iowa State University, Departments of
Aerospace Engineering, Mechanical Engineering, and Material Science and Engineering, Ames
Laboratory, Division of Materials Science and Engineering
b Isfahan University of Technology, Department of Mechanical
Engineering
Abstract:
In the paper, our recent phase field approach (PFA) to the interaction between phase transformations (PTs) and dislocations at the nanoscale is reviewed. It is developed at large strains as a nontrivial combination of our recent advanced PFAs to martensitic PTs and dislocation evolution. Finite element method (FEM) simulations are performed to solve the coupled phase-field and elasticity equations. The evolution of dislocations and high pressure phase in a nanograined material under pressure and shear is studied and utilized for interpretation of experimental results on plastic strain induce PTs under high pressure in rotational diamond anvil cell.
Keywords:
phase field approach, phase transformations, dislocations, interaction, nanoscale.
Received: 19.05.2017 Revised: 14.09.2017
Citation:
V. I. Levitas, M. Javanbakht, “Phase field approach to interaction between phase transformations and plasticity at the nanoscale at large strains”, Chebyshevskii Sb., 18:3 (2017), 366–380
Linking options:
https://www.mathnet.ru/eng/cheb585 https://www.mathnet.ru/eng/cheb/v18/i3/p366
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