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http://bura.brunel.ac.uk/handle/2438/13454| Title: | The grain refinement potency of bismuth in magnesium |
| Authors: | Joshi, U Hari Babu, N |
| Keywords: | grain refinement;magnesium alloys;intermetallic compounds;bismuth |
| Issue Date: | 24-Oct-2016 |
| Publisher: | Elsevier |
| Citation: | Joshi, U. and Hari Babu, N. (2017) 'The grain refinement potency of bismuth in magnesium', Journal of Alloys and Compounds, 695, pp. 971-975. doi: 10.1016/j.jallcom.2016.10.215. |
| Abstract: | Copyright © 2016 The Authors. A quantitative model was applied to analyse the grain refinement potency of bismuth in magnesium. The formation of potent Mg-Bi-O intermetallic phases at 0.4wt.% Bi were attributed to a noteworthy reduction in the average grain size of α-Mg grains. The efficiency of the grain refiner was identified through the analysis of grain size vs inverse of the growth restriction factor (Q) plots, with a comparison of the Zr solute under similar experimental conditions. It was concluded that ‘Q’ could be a suitable predictor of the relative grain size in the Mg-Bi system containing potent nucleant particles. The cooling rate analysis supported the efficiency of bismuth grain refinement in magnesium. |
| URI: | https://bura.brunel.ac.uk/handle/2438/13454 |
| DOI: | https://doi.org/10.1016/j.jallcom.2016.10.215 |
| ISSN: | 0925-8388 |
| Appears in Collections: | Brunel Centre for Advanced Solidification Technology (BCAST) |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| Fulltext.pdf | 1.01 MB | Adobe PDF | View/Open |
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