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Erschienen in:

2019 | OriginalPaper | Buchkapitel

In Situ Detection of Non-metallic Inclusions in Aluminum Melt (1xxx)—Comparison Between a Newly Developed Ultrasonic Technique and LiMCA and PoDFA Method

verfasst von : Friederike Feikus, Florian Funken, Thomas Waschkies, Andreas Bührig-Polaczek

Erschienen in: Light Metals 2019

Verlag: Springer International Publishing

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Abstract

An ultrasound-based method for the detection of non-metallic inclusions in cast and wrought aluminum melts is being developed. Main objective of the development is to meet the requirements for a sufficiently fast and precise assessment of the present contamination grade in the melt with a handy and comparatively cheap set-up. First trials, using the Liquid Metal Cleanliness Analyzer (LiMCA) and Porous Disk Filtration Analyzer (PoDFA) method for comparison to evaluate the developed system, showed a very good correlation between the ultrasound results and the reference procedures. Defined types of inclusion particles with specific size ranges were introduced into a base aluminum melt with a purity of 99.8%. The settling curves were monitored by LiMCA and the ultrasonic detector. Furthermore, PoDFA samples were taken at certain points in the process. The trials prove the achievement of a detection limit down to a particle size of 20 µm and a particle concentration of less than 1000 particles per kg aluminum melt.

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Titel: In Situ Detection of Non-metallic Inclusions in Aluminum Melt (1xxx)—Comparison Between a Newly Developed Ultrasonic Technique and LiMCA and PoDFA Method
verfasst von: Friederike Feikus
Florian Funken
Thomas Waschkies
Andreas Bührig-Polaczek
Verlag: Springer International Publishing
Buch: Light Metals 2019
Print ISBN: 978-3-030-05863-0

Electronic ISBN: 978-3-030-05864-7

Copyright-Jahr: 2019
DOI: https://doi.org/10.1007/978-3-030-05864-7_206

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