AZ91 Magnesium alloy was subjected to friction stir processing (FSP). The microstructural analyses of the friction stir processed (FSPed) specimens were carried out and the effects of pass number, rotational speed, and traverse speed upon thermo-mechanically affected zone (TMAZ) were investigated. The TMAZ is consisted of a region with highly elongated grains and a partially recrystalized zone. Decreasing the rotational speed and increasing the traverse speed increased the thickness of recrystallized zone; while, the thickness of the other zone decreased. On the other hand, it lessened the gradient of the grain size from the stir zone (SZ) to the base metal. Applying several FSP passes, lead to more homogeneous TMAZ structure with the finer grain size.
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ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis
July 12–14, 2010
Istanbul, Turkey
Conference Sponsors:
- International
ISBN:
978-0-7918-4915-6
PROCEEDINGS PAPER
Effect of Processing Parameters on Thermo-Mechanically Affected Zone of Friction Stir Processed AZ91 Magnesium Alloy
M. Taherishargh,
M. Taherishargh
Amirkabir University of Technology, Tehran, Iran
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N. Parvin,
N. Parvin
Amirkabir University of Technology, Tehran, Iran
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P. Asadi
P. Asadi
University of Tehran, Tehran, Iran
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M. Taherishargh
Amirkabir University of Technology, Tehran, Iran
N. Parvin
Amirkabir University of Technology, Tehran, Iran
P. Asadi
University of Tehran, Tehran, Iran
Paper No:
ESDA2010-25056, pp. 627-631; 5 pages
Published Online:
December 28, 2010
Citation
Taherishargh, M, Parvin, N, & Asadi, P. "Effect of Processing Parameters on Thermo-Mechanically Affected Zone of Friction Stir Processed AZ91 Magnesium Alloy." Proceedings of the ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 1. Istanbul, Turkey. July 12–14, 2010. pp. 627-631. ASME. https://doi.org/10.1115/ESDA2010-25056
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