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Preparation of semi-solid slurry at power frequency by annulus electromagnetic stirring method
  • ISSN号:1003-6326
  • 期刊名称:《中国有色金属学报:英文版》
  • 时间:0
  • 分类:TG249.9[金属学及工艺—铸造]
  • 作者机构:[1]General Research Institute for Non ferrous Metals
  • 相关基金:Projects(2006AA03Z115; 2009AA03Z534 )supported by the National Hi-tech Research and Development Program of China;;Project(2006CB605203) supported by the National Basic Research Program of China
中文摘要:

The effect of stirring frequency on the semi-solid A357 aluminum alloy microstructure was investigated by annulus electromagnetic stirring(AEMS) method. The microstructures obtained by AEMS method and ordinary electromagnetic stirring(EMS)method were compared and analyzed. The results show that the primary α(Al) particles become more spherical and fine, and disperse uniformly in a liquid matrix with increasing stirring frequency, and higher stirring frequency is advantageous to obtain the fine spherical semi-solid microstructure by AEMS. Compared with the microstructures obtained at stirring frequency of 50 Hz in EMS, the fine spherical and uniformly distributed semi-solid microstructures can be still obtained at stirring frequency of 50 Hz in AEMS, so stirring frequency of 50 Hz is recommended in AEMS to save investment cost on frequency-conversion facilities.

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期刊信息
  • 《中国有色金属学报:英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国有色金属学会
  • 主编:黄伯云
  • 地址:中国长沙中南大学
  • 邮编:410083
  • 邮箱:f-xsxb@csu.edu.cn
  • 电话:0731-88830949
  • 国际标准刊号:ISSN:1003-6326
  • 国内统一刊号:ISSN:43-1239/TG
  • 邮发代号:42-317
  • 获奖情况:
  • 国家“双百”期刊,第二届全国优秀科技期刊评比二等奖,中国有色金属工业总公司优秀科技期刊一等奖
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  • 被引量:1159