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|Ex-situ EBSD Study on the Abnormal Grain Growth in 6063 Aluminum Billet
|Electron Backscatter Diffraction (EBSD);6063 Aluminum Alloy;Abnormal Grain Growth;Recrystallization;Homogenization
|Faculty of Science, Chiang Mai University
|Chiang Mai Journal of Science 47,2 (March 2020), p.242 - 258
|The abnormal grain growth can occur in 6063 aluminum billet during homogenization. This behavior relates to the boundary migration and grain coalescence during homogenization. The Fe-containing intermetallics give strong retardation of boundary migration in 6063 aluminum alloy. The low (0.089wt.%Fe) and high (0.170wt.%Fe) containing 6063 aluminum billets were studied to gain an in-depth understanding of the individual of grain migration, grain coalescence, and abnormal grain growth in 6063 aluminum billet during homogenization. Ex-situ electron backscatter diffraction (Ex-situ EBSD) was extensively used to characterize those behaviors. Ex-situ EBSD results indicate that abnormal grain growth in 6063 aluminum billets is correlated to the migration of high angle boundary, which changes from a high angle to low angle grain boundary and to abnormal grain growth. The Fe-rich intermetallics prevent boundary movements and play an important role in recrystallization and abnormal grain growth.
|The Chiang Mai Journal of Science is an international English language peer-reviewed journal which is published in open access electronic format 6 times a year in January, March, May, July, September and November by the Faculty of Science, Chiang Mai University. Manuscripts in most areas of science are welcomed except in areas such as agriculture, engineering and medical science which are outside the scope of the Journal. Currently, we focus on manuscripts in biology, chemistry, physics, materials science and environmental science. Papers in mathematics statistics and computer science are also included but should be of an applied nature rather than purely theoretical. Manuscripts describing experiments on humans or animals are required to provide proof that all experiments have been carried out according to the ethical regulations of the respective institutional and/or governmental authorities and this should be clearly stated in the manuscript itself. The Editor reserves the right to reject manuscripts that fail to do so.
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|CMUL: Journal Articles
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