Journal
MATERIALS TRANSACTIONS
Volume 60, Issue 8, Pages 1489-1499Publisher
JAPAN INST METALS & MATERIALS
DOI: 10.2320/matertrans.MF201938
Keywords
severe plastic deformation; phase transformations; thermodynamics; kinetics
Funding
- Russian Science Foundation [17-72-10304]
- state task of ISSP
- CSC RAS
- Russian Science Foundation [17-72-10304] Funding Source: Russian Science Foundation
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Severe plastic deformation (SPD) can induce various phase transformations. After a certain strain, the dynamic equilibrium establishes between defects production by an external force and their relaxation (annihilation). The grain size, hardness, phase composition etc. in this steady-state does not depend on the initial state of a material and is, therefore, equifinal. In this review we discuss the competition between precipitation and dissolution of precipitates, amorphization and (nano) crystallization, SPD-induced accelerated mass-transfer, allotropic and martensitic transitions and formation of grain boundary phases.
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