Changes of microstructure in alpha AgZn during post-deformation annealing after cold-rolling
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Data
1996-07-01
Autores
Migschitz, M.
Korner, A.
Garlipp, W.
Pfeiler, W.
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Elsevier B.V.
Resumo
The annealing processes of deformation-induced defects after cold-rolling to about 30 and 60% thickness reduction were investigated for Ag-21, 23, 28 at% Zn by means of residual electrical resistivity, microhardness, light microscopy and transmission electron microscopy (TEM) Three annealing stages have been detected and consistently interpreted as annealing-out of mainly point defects and their agglomerates (stage I), formation of dislocation cells and recrystallized strain-free grains (stage II) and grain growth (stage III). Further, it is tried to determine the evolution of defect production (point defects and dislocations) during rolling deformation from measured changes of electrical resistivity and microhardness. Copyright (C) 1996 Acta Metallurgica Inc.
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Acta Materialia. Oxford: Pergamon-Elsevier B.V., v. 44, n. 7, p. 2821-2829, 1996.