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Home  >  Journal list  >  MATERIALS TRANSACTIONS  >  Vol.46  No.10 (2005)  >  pp.2218-2220

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New Ti-Based Bulk Metallic Glasses with Significant Plasticity

Hua Men1), Shujie Pang1), Akihisa Inoue2) and Tao Zhang1)
1) Department of Materials Science and Engineering, Beijing University of Aeronautics and Astronautics
2) Institute for Materials Research, Tohoku University

Formation of Ti-based bulk metallic glasses was investigated in (Ti,Zr)–(Cu,Ni) pseudobinary system. It was found that glass-forming ability was significantly improved by the addition of Zr and Ni to the Ti–Cu binary alloys. For Ti50Zr5Cu40Ni5, Ti45Zr5Cu45Ni5, Ti42.5Zr10Cu42.5Ni5 and Ti42.5Zr7.5Cu45Ni5 alloys, glassy alloy rods with diameters of 2 and 3 mm can be obtained by a copper mold casting method. The glassy alloys exhibit high compressive fracture strength of about 2 GPa, and the bulk glassy Ti45Zr5Cu45Ni5 alloy shows distinct plastic strain of 0.018.

titanium-based alloy, bulk glassy alloys, glass-forming ability, global plasticity, Laves phase

Received: May 23, 2005
Accepted: August 29, 2005 , Published online: November 14, 2005
Copyright (c) 2005 The Japan Institute of Metals



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