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Fundamental studies of ultrasonic melt processing

Eskin, D. G.; Tzanakis, I.; Wang, F.; Lebon, G. S.B.; Subroto, T.; Pericleous, K.; Mi, J.

Authors

D. G. Eskin

I. Tzanakis

F. Wang

G. S.B. Lebon

T. Subroto

K. Pericleous



Abstract

Ultrasonic (cavitation) melt processing attracts considerable interest from both academic and industrial communities as a promising route to provide clean, environment friendly and energy efficient solutions for some of the core issues of the metal casting industry, such as improving melt quality and providing structure refinement. In the last 5 years, the authors undertook an extensive research programme into fundamental mechanisms of cavitation melt processing using state-of-the-art and unique facilities and methodologies. This overview summarises the recent results on the evaluation of acoustic pressure and melt flows in the treated melt, direct observations and quantitative analysis of cavitation in liquid aluminium alloys, in-situ and ex-situ studies of the nucleation, growth and fragmentation of intermetallics, and de-agglomeration of particles. These results provide valuable new insights and knowledge that are essential for upscaling ultrasonic melt processing to industrial level.

Citation

Eskin, D. G., Tzanakis, I., Wang, F., Lebon, G. S., Subroto, T., Pericleous, K., & Mi, J. (2019). Fundamental studies of ultrasonic melt processing. Ultrasonics Sonochemistry, 52, 455-467. https://doi.org/10.1016/j.ultsonch.2018.12.028

Journal Article Type Article
Acceptance Date Dec 14, 2018
Online Publication Date Dec 15, 2018
Publication Date 2019-04
Deposit Date Apr 11, 2022
Publicly Available Date Apr 12, 2022
Journal Ultrasonics Sonochemistry
Print ISSN 1350-4177
Electronic ISSN 1873-2828
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 52
Pages 455-467
DOI https://doi.org/10.1016/j.ultsonch.2018.12.028
Keywords Aluminium; In situ characterisation; Acoustic pressure; Acoustic streaming; Ultrasonic melt processing; Structure refinement; Heterogeneous nucleation; Fragmentation; De-agglomeration
Public URL https://hull-repository.worktribe.com/output/1989228

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