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Home  >  Journal list  >  MATERIALS TRANSACTIONS  >  Vol.48  No.9 (2007)  >  pp.2445-2448

MATERIALS TRANSACTIONS
<<Previous article Vol.48  No.9 (2007)   pp.2445 - 2448 Next article>>

New TiZrCuPd Quaternary Bulk Glassy Alloys with Potential of Biomedical Applications

S. L. Zhu1), X. M. Wang1), F. X. Qin1), M. Yoshimura2) and A. Inoue1)
1) Institute for Materials Research, Tohoku University
2) Materials and Structures Laboratory, Tokyo Institute of Technology


In this paper, we have developed TiZrCuPd quaternary bulk glassy alloys which seem to be favorable for future application as biomaterials because of the absence of toxic elements such as Ni, Al and Be. A series of (TiZr)50(CuPd)50 bulk glassy alloys exhibit high glass-forming ability (with critical diameters of 6 and 7 mm) and relatively large supercooled liquid region (ΔTx) of over 50 K. This alloy system follows the three empirical rules for stabilization of supercooled liquid. The thermal stability of Ti40Zr10Cu36Pd14 bulk glassy alloy was also examined in correlation with the origin for the high glass-forming ability.


Keyword:
TiZrCuPd, bulk glassy alloy, biomaterial, glass-forming ability, crystallization behavior

Received: April 18, 2007
Accepted: June 11, 2007 , Published online: August 25, 2007
Copyright (c) 2007 The Japan Institute of Metals

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