电磁分离高硅铝硅合金制备低硅铝硅合金

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张玉峰，吕国强*，马文会*，雷云，何云飞，谢广杰

昆明理工大学冶金与能源工程学院，复杂有色金属资源清洁利用省部共建国家重点实验室，真空冶金国家工程实验室，云南省高校硅冶金硅材料工程技术研究中心，云南昆明 650093

收稿日期:2017-09-21修回日期:2017-11-03出版日期:2018-06-22发布日期:2018-06-06
通讯作者:吕国强

基金资助:过共晶铝硅合金电磁分离过程多场驱动下传输特性及强化机理研究

Preparation of Low-silicon Aluminum Alloy from High-silicon Aluminum Alloy Melts by Electromagnetic Separation Process

Yufeng ZHANG, Guoqiang LV*, Wenhui MA*, Yun LEI, Yunfei HE, Guangjie XIE

Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, State Key Lab of Complex Nonferrous Metal Resources Cleaning Utilization, National Engineering Lab for Vacuum Metallurgy, Engineering Research Center for Silicon Metallurgy and Silicon Materials of Yunnan Provincial Universities, Kunming, Yunnan 650093, China

Received:2017-09-21Revised:2017-11-03Online:2018-06-22Published:2018-06-06

摘要/Abstract

摘要： 在不考虑杂质元素的情况下研究了含铝45wt%的铝硅合金熔体电磁分离过程中电流频率、下拉速度、保温温度及坩埚材质对初晶硅相分离效果的影响. 结果表明，在电流频率3 kHz、保温温度1000℃、下拉速度10 ?m/s的条件下，以石墨坩埚为容器，可使合金的硅铝质量比降至0.0939. 保温温度对合金中硅的去除影响最大，相同条件下1500℃时合金硅铝质量比为0.11439；低频交变电流能强化电磁搅拌从而加强传质，降低下拉速度对降低合金中硅含量有一定作用，且可使分离界面更平坦.

引用本文

张玉峰吕国强马文会雷云何云飞谢广杰. 电磁分离高硅铝硅合金制备低硅铝硅合金[J]. 过程工程学报, 2018, 18(3): 582-589.
Yufeng ZHANG Guoqiang LV Wenhui MA Yun LEI Yunfei HE Guangjie XIE. Preparation of Low-silicon Aluminum Alloy from High-silicon Aluminum Alloy Melts by Electromagnetic Separation Process[J]. Chin. J. Process Eng., 2018, 18(3): 582-589.

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