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Erschienen in:
2016 | OriginalPaper | Buchkapitel
In Situ Synchrotron Radiography of Ultrasound Cavitation in a Molten Al-10Cu Alloy
verfasst von : W. W. Xu, I. Tzanakis, P. Srirangam, S. Terzi, W. U. Mirihanage, D. G. Eskin, R. H. Mathiesen, A. P. Horsfield, P. D. Lee
Erschienen in: TMS 2015 144th Annual Meeting & Exhibition
Verlag: Springer International Publishing
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In-situ synchrotron radiography was used to investigate bubble dynamics in a molten Al-10 wt% Cu alloy during ultrasound pulsing. Radiographs with an exposure time of 25 ms were collected continuously during sonication at a temperature of approximately 640oC. The formation, collapse, and movement of bubbles, including parameters such as size distribution were quantified using image analysis. Results show that the average bubble radius is 16.0±0.5 μm, and that the average bubble radius increases linearly with sonication time.