Formation of Cu-Hf-Ti bulk metallic glasses

被引：0
|
作者：
Figueroa, I.A. [1 ]
Davies, H.A. [1 ]
Todd, I. [1 ]
机构：
[1] Department of Engineering Materials, University of Sheffield, Sheffield, S1 3JD, United Kingdom
来源：
Journal of Alloys and Compounds | 2007年 / 434-435卷 / SPEC. ISS.期
关键词：
Alloys of composition Cu55Hf45-xTix with 5 &le x &le 45 at.% and Cu65Hf35-xTix with 5 &le x &le 35 at.% have been investigated. Samples were chill block melt spun to ribbon and produced as cylindrical rods by suction casting into a stepped copper die. All alloys investigated in both series were fully vitrified when melt spun to ribbon of thickness ∼25 μm. The compositions x = 20 and 25 within the Cu55Hf45-xTix series and x = 15 and 20 within the Cu65Hf35-xTix series were found to be the best glass formers; with no crystalline phases detected by XRD for 3 and 4 mm diameter sections; respectively. The composition ranges of highest GFA also had the highest reduced glass temperatures for each of the ranges studied. © 2006 Elsevier B.V. All rights reserved;
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页码：164 / 166
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