Mechanics & Industry
Volume 17, Number 1, 2016
|Number of page(s)||7|
|Published online||13 November 2015|
Experimental and numerical study on the ECARed magnesium AZ31 alloy
School of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran
a Corresponding author: email@example.com
Received: 7 April 2015
Accepted: 9 July 2015
One of the best methods for applying severe plastic deformation (SPD) to the sheets is equal channel angular rolling (ECAR) process. In this paper, the effect of ECAR process on the AZ31 alloy has been evaluated. Firstly, the process has been accomplished on the magnesium specimens. Then, the effect of ECAR process on mechanical properties of AZ31 alloy such as: microhardness, strength and microstructure have been assessed. For evaluation of the ECAR parameters on the samples, numerical method also has been utilized. Finally, the results indicate that the microhardness after 8th pass ECAR has been increased about 45%. Also, the average grain size has been decreased about 94% after 8th pass ECAR. The yielding stress (Y.S) and ultimate tensile strength (UTS) of AZ31 sheet were decreased by increasing the pass number while, elongation has been improved.
Key words: ECAR / AZ31 / micro-hardness / microstructure / strength / FEM
© AFM, EDP Sciences 2015
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