Volume 15, Issue 1 (March 2018)                   IJMSE 2018, 15(1): 31-39 | Back to browse issues page


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Eivani A, Seyedein S, Aboutalebi M. Effect of Equal Channel Angular Pressing and Annealing Treatment on the Evolution of Microstructure in AlMg0.7Si Aluminum Alloy. IJMSE. 2018; 15 (1) :31-39
URL: http://ijmse.iust.ac.ir/article-1-742-en.html
Abstract:   (2328 Views)
In this research, samples of AlMg0.7Si aluminum alloy are deformed up to three passes using equal channel angular pressing (ECAP). Formation of a sub-micron structure after three passes of ECAP is demonstrated. Microstructural stability of the samples is investigated at temperatures of 300-500 °C. At 300 °C, fine recrystallized structure forms after 10 min which remains stable when the annealing proceeds up to 18 hrs. However, at 350 °C and higher, the microstructure is quite unstable. Even by 10 sec annealing, the samples exhibit recrystallized structure which turned to abnormal grain growth when temperature enhances to 500 °C and time up to 300 sec.
 
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