Viscosity of Zr55Cu30Al10Ni5 bulk metallic glass measured by laser viscometer

被引：9

作者：

Liu, B. B. ^{[1
]}

Liu, B. Y. ^{[1
]}

Fang, X. S. ^{[1
]}

Zhang, L. Q. ^{[1
]}

Ye, F. ^{[1
]}

Chen, G. L. ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2010年 / 504卷

关键词：

Bulk metallic glass; Viscometer; Viscosity; VFT equation; SUPERCOOLED LIQUID ALLOYS; PENETRATION VISCOMETER; VISCOUS-FLOW; DEFORMATION; REGION;

D O I：

10.1016/j.jallcom.2010.02.197

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The viscosity of Zr55Cu30Al10Ni5 bulk metallic glass was measured by using a parallel plate rheometry laser viscometer. The isothermal measurements show that the viscosities increase from 10(12) to 10(13) Pa s with temperature varying from 668 to 738 K, which can be described by VFT equation with a VFT temperature of 390K and the fragility parameter D of 28.85. The viscosity from the isothermal measurement is higher than that from the isochronal measurement. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：S208 / S210

页数：3

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