Journal
INTERNATIONAL JOURNAL OF MATERIALS RESEARCH
Volume 100, Issue 4, Pages 510-515Publisher
CARL HANSER VERLAG
DOI: 10.3139/146.110066
Keywords
Coupled motion; Grain boundary; Recrystallization; Grain growth; Stress
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Funding
- US Department of Energy. Office of Basic Energy Sciences
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We propose a new mechanism of recrystallization of cold-deformed metals. During the cold deformation, some of the high-an-le grain boundaries are moved by the applied stresses, producing low-curvature bulges and leaving almost defect-free regions behind. The driving force for this motion is very high and can be comparable to the yield stress of the material. Upon subsequent heating without applied stresses, such moved boundaries can continue to move without encountering an energy barrier (which is typical of most nucleation models) under the much smaller driving force arising from the stored energy difference across the boundary.
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