Journal
SCRIPTA MATERIALIA
Volume 59, Issue 1, Pages 19-22Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2008.02.017
Keywords
magnesium alloys; grain refining; ultrasonic treatment
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Funding
- Engineering and Physical Sciences Research Council [EP/E00119X/1] Funding Source: researchfish
- EPSRC [EP/E00119X/1] Funding Source: UKRI
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High-intensity ultrasonic treatment (UT) for grain refinement of magnesium alloys has been investigated using a novel theoretical approach in order to better understand its grain-refining potential and the mechanism of nucleation. The process demonstrated significantly superior grain-refining potency to carbon inoculation for Al-containing magnesium alloys but inferior potency to zirconium for Al-free alloys. Details revealed by applying the theoretical approach to ultrasonic grain refinement provide new clues to understanding the mechanism of grain nucleation by UT. (C) 2008 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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