MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
Diffusion and Formation of Intermetallic Compounds during Accumulative Roll-Bonding of Al/Mg Alloys
Ming-Che ChenChe-Wei KuoChia-Ming ChangChih-Chun HsiehYin-Yu ChangWeite Wu
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2007 Volume 48 Issue 10 Pages 2595-2598

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Abstract

In this study, the accumulative roll-bonding (ARB) process is used to reduplicate Al (1100)/Mg (AZ31) alloy and then made thinner and longer by multi-rolling. Stacks with 24 layers were created and annealed at 300°C for 1 h. The microstructures were observed by using optical microscopy. The diffusion couples between Al and Mg were investigated to study the composition of the Al-Mg system. The layers of the intermetallic compounds Al3Mg2 and Al12Mg17 were observed by a field emission scanning electron microscope. The composition-depth curves of the diffusion zone were obtained by employing electron microprobe analysis after annealing at 300°C for 1 h.

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© 2007 The Japan Institute of Metals and Materials
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