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The Behavior of AlTiC Master Alloys in Grain Refining of Commercial and High Pure Aluminum

Journal Materials Science Forum (Volumes 475 - 479)
Volume PRICM-5
Edited by Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie
Pages 313-316
DOI 10.4028/www.scientific.net/MSF.475-479.313
Citation Jian Guo Li et al., 2005, Materials Science Forum, 475-479, 313
Online since January, 2005
Authors Jian Guo Li, Min Huang, Zimu Shi, Dong Yu Liu
Keywords AlTiB, AlTiC, Commercial Pure Aluminum, Grain Refining, High Pure Aluminum
Abstract

The AlTiC master alloy has been prepared in different components to refine 99.8%Al and 99.98%Al, then compared to two typical Al5Ti1B in refining efficiency and the grain nuclear. The result showed that the refining efficiency seemed better if the nucleation of high pure aluminum revealed complexity and variety. It may due to that the latency heterogeneous nucleation was efficient on the whole, consequently accelerated refining efficiency.

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