Twin-Roll Cast Al-Clad Magnesium Alloy |
| Journal |
Materials Science Forum (Volumes 618 - 619) |
| Volume |
Light Metals Technology 2009 |
| Edited by |
M.S. Dargusch & S.M. Keay |
| Pages |
467-470 |
| DOI |
10.4028/www.scientific.net/MSF.618-619.467 |
| Online since |
April, 2009 |
| Authors |
A.K. Prasada Rao,
K.H. Kim,
J.H. Bae,
Geun Tae Bae,
Dong Hyuk Shin,
Nack J. Kim
|
| Keywords |
Cladding, Corrosion Resistance, Magnesium Alloy, Twin Roll Casting |
| Abstract |
An attempt has been made to clad Mg alloy with Al by twin-roll casting. This was done by inserting an Al sheet between the roll and the Mg alloy melt during twin-roll casting. Microstructural investigation across the transverse section of the as-cast Al-clad Mg alloy sheet reveals a very good interfacial bonding between Al and the base Mg alloy. Annealing of the Al-clad Mg alloy sheet results in the formation of layers of various intermetallic phases along the Mg/Al interface. Subsequent rolling of the as-annealed sheet significantly improves the formability of the reaction zone, as evidenced by the cracking of the base Mg alloy before the cracking of the reaction zone. |
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