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Home  >  Journal list  >  MATERIALS TRANSACTIONS  >  Vol.52  No.3 (2011)  >  pp.458-463

MATERIALS TRANSACTIONS
<<Previous article Vol.52  No.3 (2011)   pp.458 - 463 Next article>>

Suppression of Crystallization in Ti-Based Alloys by Fluxing

Ichiro Seki1), Dmitri V. Louzguine-Luzgin2), Toshitugu Takahashi1), Hisamichi Kimura1) and Akihisa Inoue1)2)
1) Institute for Materials Research, Tohoku University
2) WPI Advanced Institute for Materials Research, Tohoku University


Controlling crystal nucleation and growth leading to formation of nano structures by an original flux treatment method mainly in calcia and magnesia crucibles followed by water-cooling allowed production of Ti45Cu45Fe10 bulky nanostructured alloy of 16 mm in diameter. Since a glass forming ability (GFA) of the alloy composition is low, the alloy could not form an amorphous structure even by a common rapid quenching manner such as a melt-spun method. At the same time control over crystal nucleation and growth by fluxing was achieved on melting with flux—a reagent which has a low melting temperature and good wettability. The crystal growth control in our investigations is also possible for different other alloys such as Ti45Cu45Ni10 alloy.


Keyword:
titanium alloy, calcium deoxidation, metallic glass, nano crystalline, nucleation

Received: August 10, 2010
Accepted: October 06, 2010 , Published online: February 25, 2011
Copyright (c) 2011 The Japan Institute of Metals

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