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Home  >  Journal list  >  MATERIALS TRANSACTIONS  >  Vol.53  No.3 (2012)  >  pp.500-503

MATERIALS TRANSACTIONS
<<Previous article Vol.53  No.3 (2012)   pp.500 - 503 Next article>>

Effect of Minor Sn Additions on the Formation and Properties of TiCuZrPd Bulk Glassy Alloy

Shengli Zhu1), Guoqiang Xie1), Fengxiang Qin1), Xinmin Wang1) and Akihisa Inoue1)
1) Institute for Materials Research, Tohoku University

The minor addition is fundamental to controlling the formation, manufacture and properties of metallic materials by controlling nucleation during solidification. In the present work, we investigated the effect of minor addition of Sn on glass-forming ability, thermal stability and mechanical property of TiZrCuPd bulk glassy alloy system. The substitution of Cu by 2% Sn improves the glass-forming ability significantly. The Ti40Zr10Cu34Pd14Sn2 bulk glassy alloy rod with a diameter of 12 mm was fabricated by copper mold casting. The Ti40Zr10Cu34Pd14Sn2 bulk glassy alloy exhibits higher energy for crystallization activation (334.3 kJ/mol). The addition of 2–4% Sn can enlarge the supercooled liquid region, indicating good thermal stability. TiZrCuPdSn bulk glassy alloys exhibit high compressive strength about 2000–2050 MPa.


Keyword:
bulk glassy alloy, biomaterials, minor addition, glass-forming ability

Received: September 08, 2011
Accepted: December 22, 2011 , Published online: February 25, 2012
Copyright (c) 2012 The Japan Institute of Metals

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