Grain refinement of Mg-Li-Al cast alloys by adding typical master alloys

Jiang, Bin, Yang, Qing-shan, Zhang, Ming-xing, Qiu, Dong, Li, Rui-hong and Pan, Fu-sheng (2011) Grain refinement of Mg-Li-Al cast alloys by adding typical master alloys. Progress in Natural Science: Materials International, 21 3: 236-239. doi:10.1016/S1002-0071(12)60036-7


Author Jiang, Bin
Yang, Qing-shan
Zhang, Ming-xing
Qiu, Dong
Li, Rui-hong
Pan, Fu-sheng
Title Grain refinement of Mg-Li-Al cast alloys by adding typical master alloys
Journal name Progress in Natural Science: Materials International   Check publisher's open access policy
ISSN 1002-0071
1745-5391
Publication date 2011-06-01
Sub-type Article (original research)
DOI 10.1016/S1002-0071(12)60036-7
Open Access Status DOI
Volume 21
Issue 3
Start page 236
End page 239
Total pages 4
Place of publication Haidian, Beijing, China
Publisher National Natural Science Foundation of China
Collection year 2012
Language eng
Formatted abstract
Commercial Al-3Ti-1C and Al-5Ti-1B master alloys were added in order to refine the grains of Mg-Li-Al alloys. The effects of their addition levels on grain refinement of Mg-Li-Al cast alloy were investigated and the mechanism of the grain refinement was discussed. The results showed that the addition of Al-3Ti-1C master alloy reduced the grain size of LA141 cast alloy from 900 mu m to 400 mu m, while the addition of Al-5Ti-1B master alloy reduced the grain size of LA51 cast alloy from 500 mu m to 240 pm. The grain refining mechanism was the heterogeneity nucleation of TiC and TiB2, because of less than 10% mismatches of TiC/beta-Li and TiB2/alpha-Mg.
Keyword Magnesium lithium alloy
Master alloy
Grain refinement
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mechanical & Mining Engineering Publications
Official 2012 Collection
 
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