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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 13    No. 2    April 2003

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Effects of rolling technical factors on microstructures and mechanical properties of aluminum foils
MAO Da-heng(毛大恒), WEN Yong-ming(温勇明)

College of Electromechanical Engineering, 
Central South University, Changsha 410083, China

Abstract:The effects of rolling driving methods and technical factors on the microstructures and mechanical properties of aluminum foils based on the industrial trials were studied by TEM, tensile test and texture analysis. The results show that there exist obvious dynamic recovery and primary location re-crystallization phenomena in the aluminum foils during high-speed rolling. Meanwhile the phenomena become more obvious as the rolling speed or the reduction increases, especially in the asymmetrical rolling process with single-roller driving, the dynamic primary location recrystallization is more likely to come into being. The effects of the dynamic recovery phenomena and the dynamic primary location recrystallization on the comprehensive final product ratio and the quality of aluminum foils were discussed.

 

Key words:  aluminum foils rolling; dynamical recovery; deformation texture; mechanical properties 

ISSN 1672-7029
CN 43-1423/U

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