Preparation of Semi-solid Slurry by Using EMS-CS Process

Zuo Shibin; Cao Zhiqiang; Li Pengchao; Wang TongMin; Li Tingju

doi:10.15980/j.tzzz.2012.05.015

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Preparation of Semi-solid Slurry by Using EMS-CS Process
Vol. 32, Issue 5, Pages: 433-437(2012)
Published： 2012 ，
DOI： 10.15980/j.tzzz.2012.05.015

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[1]左世斌,曹志强,李鹏超,王同敏,李廷举.电磁-斜槽复合法制备铝合金半固态浆料[J].特种铸造及有色合金,2012,32(05):433-437.

Zuo Shibin, Cao Zhiqiang, Li Pengchao, et al. Preparation of Semi-solid Slurry by Using EMS-CS Process. [J]. Special Casting & Nonferrous Alloys 32(5):433-437(2012)
[1]左世斌,曹志强,李鹏超,王同敏,李廷举.电磁-斜槽复合法制备铝合金半固态浆料[J].特种铸造及有色合金,2012,32(05):433-437. DOI： 10.15980/j.tzzz.2012.05.015.

Zuo Shibin, Cao Zhiqiang, Li Pengchao, et al. Preparation of Semi-solid Slurry by Using EMS-CS Process. [J]. Special Casting & Nonferrous Alloys 32(5):433-437(2012) DOI： 10.15980/j.tzzz.2012.05.015.

摘要

采用自制的电磁-斜槽复合浆料制备装置

制备了半固态AlSi9Cu3合金浆料。选取斜槽角度、浇注温度和电磁搅拌电压为试验因素

用正交试验法进行了工艺参数分析。结果表明

对半固态组织初生相平均等效直径的影响顺序为:浇注温度、斜槽角度、搅拌电压;对半固态组织初生相平均圆整度影响的因素顺序为:电磁搅拌电压、斜槽角度、浇注温度。通过试验得到的最优工艺参数:斜槽角度为25°～35°

浇注温度为650℃

电磁搅拌电压为200～300V。

Abstract

By using self-developed electromagnetic stirring-cooling slope（EMS-CS） equipment

semi-solid AlSi9Cu3 alloy slurry was prepared.Effects of slope angle

pouring temperature and EMS voltage on microstructure of AlSi9Cu3 alloy were investigated by orthogonal test method.The results show that the three factors influencing the average equivalent diameter of the primary phase are as follows:pouring temperature

slope angle

EMS-voltage

and they influencing the average shape factor of the primary phase are as follows:EMS-voltage

slope angle

pouring temperature.The optimized processing parameters for preparing the semi-solid slurry with desirable structure are presented as slope angle of 25°

5°

pouring temperature of 650 ℃ and EMS voltage of 200 V

00 V.