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Preparation of aluminum foam using a novel gas-generating agent

  • Deng Wei Huo
  • , Xiang Yang Zhou*
  • , Tai Kang Zhang
  • , Jing Qin
  • , Jie Li
  • , Huan Zhao
  • *此作品的通讯作者
  • Central South University
  • China Aluminium Corporation

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

The thermal decomposition behavior of a novel gas-generating agent (NA) and its effect on the viscosity of aluminum melt were investigated, as well as me preparation technology of aluminum foam by using NA as foaming agent and viscosifier was presented. The results show mat NA has a wide decomposition temperature range and a gentle decomposition rate, and NA can effectively increase the viscosity of aluminum melt, as a result, me dric-metal foaming agents such as TiH2 and ZrH2 can be replaced by NA and an extra viscosifier such as Ca is unnecessary during preparation process of aluminium foam by melt foaming method. The aluminum foam with porosity of 60%-85% can be prepared while the additive amount of fine NA powder as viscosifier is in the range from 0.6wt% to 1.0wt%, and the additive amount of coarse NA powder as foaming agent is in the range from 1.6wt% to 2.2wt%.

源语言英语
主期刊名TMS 2011 - 140th Annual Meeting and Exhibition, Supplemental Proceedings
185-190
页数6
出版状态已出版 - 2011
已对外发布
活动TMS 2011 - 140th Annual Meeting and Exhibition - San Diego, CA, 美国
期限: 27 2月 20113 3月 2011

出版系列

姓名TMS Annual Meeting
2

会议

会议TMS 2011 - 140th Annual Meeting and Exhibition
国家/地区美国
San Diego, CA
时期27/02/113/03/11

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