期刊
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
卷 528, 期 24, 页码 7432-7443出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2011.06.047
关键词
Thermomechanical processing; EBSD; Non-ferrous alloys; Recrystallization
The electron-backscatter-diffraction (EBSD) technique was applied to investigate room-temperature annealing processes in cryogenically rolled copper during long-term (similar to 1.5 years) storage at ambient temperature. Static recrystallization appeared to be nucleated as result of both grain-boundary bulging and recovery. A bimodal recrystallized grain size distribution appeared to be a result of these two competing mechanisms. The ultra-fine grain copper produced via cryogenic deformation was deduced to be prone to abnormal grain growth after long static storage at room-temperature. (C) 2011 Elsevier B.V. All rights reserved.
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