Study on Apparent Viscosity of Semi-solid Alloys during Rheocasting

被引：0
|
作者：
Liu, Wen [1 ]
Xing, Shuming [2 ]
Zhang, Milan [2 ]
机构：
[1] NingBo Inst Technol, Sch Mech Engn, Ningbo 315100, Zhejiang, Peoples R China
[2] Beijing Jiaotong Univ, Beijing 100044, Peoples R China
来源：
SEMI-SOLID PROCESSING OF ALLOYS AND COMPOSITES X | 2008年 / 141-143卷
关键词：
semi-solid alloy; apparent viscosity; energy dissipation; rheocasting; model;
D O I：
10.4028/www.scientific.net/SSP.141-143.665
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
An analytical model of apparent viscosity was built up based on analysis of energy dissipation during rheocasting. By study the evaluation law of microstructure analyzed with a quantitative metallographic analysis system for semi-solid alloys, the variation law of apparent viscosity with time has been obtained. The model was verified in the experiment of A356 alloys with a coaxial double-bucket rheometer, and the results of simulated experiment and theoretical calculation are in a good agreement.
引用
收藏
页码：665 / +
页数：2
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