Correlation between viscosity of molten Cu-Sn alloys and phase diagram

被引：64
|
作者：
Mao Tan
Bian Xiufang
Xue Xianying
Zhang Yanning
Guo Jing
Sun Baoan
机构：
[1] Shandong Univ, Key Lab Liquid Struct & Hered Mat, Minist Educ, Jinan 250061, Peoples R China
[2] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
来源：
PHYSICA B-CONDENSED MATTER | 2007年 / 387卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
viscosity; Cu-Sn alloys; phase diagram; medium range order;
D O I：
10.1016/j.physb.2005.10.140
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The dynamic viscosities of Cu-Sn alloys with different compositions were measured at the same superheat temperature using an oscillating-cup viscometer. It has been found that the viscosities of Cu-Sn melts increase with decreasing temperature and fit well with Arrhenius equation. At the same superheat temperature, it is found that the viscosity is higher around the phase of beta (Cu5Sn), and the highest at Cu-25wt%Sn. When the tin concentration is in the range of 20-40wt%, the average rate of increasing viscosity with the decreasing temperature is faster, and the maximum appears at Cu-25 wt%Sn. (c) 2006 Published by Elsevier B.V.
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页码：1 / 5
页数：5
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