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Home  >  Journal list  >  MATERIALS TRANSACTIONS  >  Vol.46  No.10 (2005)  >  pp.2237-2240

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Fabrication of Fe-Based Bulk Amorphous Alloys Using Hot Metal and Commercial Ferro-Alloys

Seonghoon Yi1), Ki Buem Kim2) and Ho Sang Sohn1)
1) Department of Materials Science and Metallurgy, Kyungpook National University
2) Technische Universität Darmstadt, FB 11 Material- und Geowissenschaften, FG Physikalische Metallkunde

For commercial applications of Fe-based bulk amorphous alloys as structural materials, Fe-based bulk amorphous alloys that can be cost-effectively and massively produced have been developed using hot metal and ferro-alloys from a steel plant. The alloy Fe68.0C10.5Si4.4B6.5P8.6Al2.0 can be cast into a fully amorphous rod of 3 mm in diameter through a suction casting method. Upon heating the amorphous rod, a sequential crystallization behavior starting with the precipitation of fcc-Fe phase were observed. Since the crystallization kinetics was sluggish, the Fe-based bulk amorphous alloy can be used as a precursor for the fabrication of bulk nanostructured Fe alloy.

bulk amorphous alloys, bulk metallic glass, crystallization, suction casting

Received: June 13, 2005
Accepted: August 08, 2005 , Published online: November 14, 2005
Copyright (c) 2005 The Japan Institute of Metals



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