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Home  >  Journal list  >  MATERIALS TRANSACTIONS  >  Vol.49  No.6 (2008)  >  pp.1385-1394

MATERIALS TRANSACTIONS
<<Previous article Vol.49  No.6 (2008)   pp.1385 - 1394 Next article>>

Preparation of Zr-Based Metallic Glass Wires for Biomaterials by Arc-Melting Type Melt-Extraction Method

Takeshi Nagase1), Koichi Kinoshita2) and Yukichi Umakoshi1)
1) Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University
2) Department of Mechanical Science and Bioengineering, Graduate School of Engineering Science, Osaka University


New Zr-based metallic glass wires with and without bio-toxic elements of Ni and Al for the application to biomaterials were prepared by arc-melting type melt-extraction method and their characteristics were tested. The continuous metallic glass wires with a good white luster and smooth surface were obtained in various alloys such as conventional Zr-Al-Ni-Cu, Ni-free Zr-Al-Co-Cu, and Ni and Al free Zr-Ti-Co alloys. The Zr-based metallic glass wires exhibit high tensile strength reaching 1 GPa. Furthermore, the metallic glass wires showed good bending ductility and could be bent through 180 degrees without fracture. The Zr-based metallic glass wires achieve simultaneously high tensile strength, good bending ductility and high thermal stability.


Keyword:
metallic glass, amorphous, wire, fiber, zirconium-based alloy, melt-extraction method, bio material

Received: January 08, 2008
Accepted: March 05, 2008 , Published online: May 25, 2008
Copyright (c) 2008 The Japan Institute of Metals

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