• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议>2006 BIMW >Influence of Pulse Electric Current on Solidification Structures of Al-Si Alloys
【24h】

Influence of Pulse Electric Current on Solidification Structures of Al-Si Alloys

机译：脉冲电流对铝硅合金凝固组织的影响

获取原文
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The effect of pulse electric current with different density on solidification structures of hypoeutectic Al-7%Si, Al-10%Si and hypereutectic Al-22%Si alloys was studied. The shape and distribution of α-Al and Si were analysed.The experimental results showed that a- Al of Al-7% Si alloy is shortened when applied a pulse electric current during the solidification, and the microstructure turns from the obvious columnar crystal into rosette. After treatment with pulse electric current, the primary Si of Al-22%Si alloy was refined obviously. When the discharge voltage was 3kV, Si tended to gather at the edge of the sample and the primary α- Al appeared in this hypereutectic alloy. When the discharge voltage was 6kV, the primary Si was refined much more and distributes uniformly. Pulse electric current treatment had no evident effect on the approximate eutectic Al-10%Si alloy. The magnetic force was analysed under pulse electric current, and the reason of the phenomenon was discussed
机译：研究了不同密度脉冲电流对亚共晶Al-7％Si，Al-10％Si和过共晶Al-22％Si合金凝固组织的影响。分析了α-Al和Si的形貌和分布。实验结果表明，在凝固过程中施加脉冲电流会缩短Al-7％Si合金的a-Al，其组织从明显的柱状晶体转变为花环。经脉冲电流处理后，Al-22％Si合金的初生Si明显细化。当放电电压为3kV时，Si倾向于聚集在样品的边缘，并且在该过共晶合金中出现了初生α-Al。当放电电压为6kV时，初生Si进一步细化并均匀分布。脉冲电流处理对近似共晶的Al-10％Si合金无明显影响。分析了脉冲电流下的磁力，并讨论了产生这种现象的原因。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号