Viscous flow of the Pd43Ni10Cu27P20 bulk metallic glass-forming liquid

被引:88
作者
Fan, GJ [1 ]
Fecht, HJ
Lavernia, EJ
机构
[1] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA
[2] Univ Ulm, Div Mat, D-89081 Ulm, Germany
关键词
D O I
10.1063/1.1644052
中图分类号
O59 [应用物理学];
学科分类号
摘要
The equilibrium viscosity of the Pd43Ni10Cu27P20 bulk metallic glass-forming liquid was measured over a wide temperature range from the equilibrium supercooled liquid state to the glass transition region using parallel-plate rheometry and three-point beam bending. Based on the measured viscosity data, the fragility of this liquid was quantitatively determined. The Pd43Ni10Cu27P20 alloy, despite exhibiting the best glass-forming ability reported thus far, is relatively fragile compared with other bulk glass-forming liquids, such as Vit 1 and Vit 4. (C) 2004 American Institute of Physics.
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页码:487 / 489
页数:3
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