Journal
ACTA METALLURGICA SLOVACA
Volume 25, Issue 4, Pages 230-252Publisher
SCICELL SRO
DOI: 10.12776/ams.v25i4.1368
Keywords
severe plastic deformation; phase transformations; thermodynamics; kinetics
Categories
Funding
- state task of ISSP
- CSC RAS
- National Science Centre of Poland (grant OPUS) [2014/13/B/ST8/04247]
- Russian Foundation for Basic Research [18-03-00067, 19-58-06002]
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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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