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Type: Journal article
Title: Grain refining of conventional and semi-solid A356 Al-Si alloy
Author: Nafisi, S.
Ghomashchi, R.
Citation: Journal of Materials Processing Technology, 2006; 174(1-3):371-383
Publisher: Elsevier Science Sa
Issue Date: 2006
ISSN: 0924-0136
Statement of
Shahrooz Nafisi, Reza Ghomashchi
Abstract: The effect of inoculation has been studied on the microstructural evolution in conventional and semi-solid-metal (SSM) processing of A356 Al-Si alloy. It has been found that small additions of Ti-B shift the liquidus temperature up and the recalescence decreases. The nucleation event takes place at higher temperatures. Furthermore, the rate at which growth temperature increases is less than that of nucleation temperature and therefore more nuclei form with less potential for growth. In SSM processing refiner increases the α-Al percentage and reduces globule size. Improvement of primary particles' sphericity and globule size reduction are the main advantages of refiner addition. © 2006 Elsevier B.V. All rights reserved.
Keywords: Semi-solid
SEED process
Grain refiner
Rights: © 2006 Elsevier B.V. All rights reserved.
DOI: 10.1016/j.jmatprotec.2006.02.012
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Appears in Collections:Aurora harvest 5
Materials Research Group publications
Mechanical Engineering publications

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