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Effect of powerful current pulses on the structure and mechanical properties of the aluminum alloy Al-6%Mg-0.6%Mn

Effect of powerful current pulses on the structure and mechanical properties of the aluminum... Changes in the microstructure and mechanical properties of commercial aluminum alloy Al-6%Mg-0.6%Mn after recrystallization have been studied. This alloy was recrystallized by two methods: annealing in air at temperatures of 250 to 450 °C for 20 min in an electrical resistance furnace; and passing an electrical current pulse by discharging a bank of capacitors (with a duration of about 100 μs). It is shown that electrical pulsed treatment produced a fine-grained structure in the Al-6%Mg-0.6%Mn alloy with a grain size (2–3 µm) smaller than the one annealed in the furnace and improved the mechanical properties of this material. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Materials Engineering and Performance Springer Journals

Effect of powerful current pulses on the structure and mechanical properties of the aluminum alloy Al-6%Mg-0.6%Mn

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References (9)

Publisher
Springer Journals
Copyright
Copyright © 2005 by ASM International
Subject
Materials Science; Characterization and Evaluation of Materials; Tribology, Corrosion and Coatings; Quality Control, Reliability, Safety and Risk; Engineering Design
ISSN
1059-9495
eISSN
1544-1024
DOI
10.1361/10599490523265
Publisher site
See Article on Publisher Site

Abstract

Changes in the microstructure and mechanical properties of commercial aluminum alloy Al-6%Mg-0.6%Mn after recrystallization have been studied. This alloy was recrystallized by two methods: annealing in air at temperatures of 250 to 450 °C for 20 min in an electrical resistance furnace; and passing an electrical current pulse by discharging a bank of capacitors (with a duration of about 100 μs). It is shown that electrical pulsed treatment produced a fine-grained structure in the Al-6%Mg-0.6%Mn alloy with a grain size (2–3 µm) smaller than the one annealed in the furnace and improved the mechanical properties of this material.

Journal

Journal of Materials Engineering and PerformanceSpringer Journals

Published: Mar 25, 2007

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