Fabrication of bulk amorphous Mg65Cu25Gd10 alloy of 12mm rod by water quenching

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Title Fabrication of bulk amorphous Mg65Cu25Gd10 alloy of 12mm rod by water quenching
Author Liu, W.Y.; Zhang, H.F.; Hu, Z.Q.; Wang, H.; Yao, Xiangdong
Journal Name Materials Science Forum
Year Published 2005
Place of publication Switzerland
Publisher Trans Tech Publications
Abstract Bulk armorphous Mg65Cu25Gd10 alloy of 12mm rods were prepared by water quenching the molten alloy in the stainless steel tube. Neither cavities nor voids are seen over the whole range and no contrast revealing a crystalline phase is seen over the transverse cross section. The glass transition temperature (T-g), crystallization temperature (T-x), the melting temperature (T-m) and the liquidus temperature (T-l) are measured to be 419K, 492K, 702K, 735K, respectively, for the Mg65Cu25Gd10 alloy with a diameter of 12mm. These temperatures are similar with those of the alloy with a diameter of 8mm produced by metallic mould casting. Both alloys have the same Vickers hardness about 260. Water quenching can further improve the critical diameter of glassy rods, so it is qualified for the formation of the bulk alloys.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.4028/www.scientific.net/MSF.488-489.211
Volume 211
Page from 488
Page to 489
ISSN 0255-5476
Date Accessioned 2010-11-11
Language en_AU
Research Centre Queensland Micro and Nanotechnology Centre
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Physical Chemistry of Materials; Solid State Chemistry
URI http://hdl.handle.net/10072/39474
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1x

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