SEPARATION OF NON-METALLIC INCLUSIONS FROM ALUMINUM MELT BY SUPER GRAVITY

被引：0
|
作者：
Song, Gaoyang [1 ,2 ]
Song, Bo [1 ,2 ]
Yang, Yuhou [1 ,2 ]
Jia, Shujian [1 ,2 ]
Song, Mingming [1 ,2 ]
机构：
[1] Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Xueyuan Rd 30, Beijing 100083, Peoples R China
[2] Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China
来源：
6TH INTERNATIONAL SYMPOSIUM ON HIGH-TEMPERATURE METALLURGICAL PROCESSING | 2015年
基金：
中国国家自然科学基金;
关键词：
Al melt; Non-metallic inclusions; Super gravity; Separation; AL;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
An innovative method is investigated to separate inclusion particles from liquid metal by super gravity. To make clear the characteristics of the inclusion separation, Al melt containing MgAl2O4 particles with diameters less than 150 pm has been treated under various super-gravity fields. The thickness of particle-accumulated layer formed at the bottom of the sample and the area fraction, number density and size of inclusions were measured. It is found that the thickness of the particle-accumulated layer decreases and the area fraction of particles at this location increases with the increase of super-gravity field. With the gravity coefficient G=500, time t=2 min, and temperature T=1023 K, it is hardly to find any solid particles in the upper and middle areas of the sample and the separation efficiency is up to 90%.
引用
收藏
页码：715 / 722
页数：8
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