Please use this identifier to cite or link to this item: http://bura.brunel.ac.uk/handle/2438/11528
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dc.contributor.authorTzanakis, I-
dc.contributor.authorLebon, GSB-
dc.contributor.authorEskin, DG-
dc.contributor.authorPericleous, K-
dc.date.accessioned2015-10-28T10:40:34Z-
dc.date.available2015-09-11-
dc.date.available2015-10-28T10:40:34Z-
dc.date.issued2015-
dc.identifier.citationTransactions of the Indian Institute of Metals, 2015en_US
dc.identifier.issn0972-2815-
dc.identifier.issn0975-1645-
dc.identifier.urihttp://link.springer.com/article/10.1007%2Fs12666-015-0639-0-
dc.identifier.urihttp://bura.brunel.ac.uk/handle/2438/11528-
dc.description.abstractExperimental results of ultrasonic processing of liquid aluminium with a 5 kW magnetostrictive transducer and a 20 mm titanium sonotrode excited at 17 kHz are reported in this study. A unique high-temperature cavitometer sensor, placed at various locations in the liquid melt, measured cavitation activity at various acoustic power levels and different temperature ranges. The highest cavitation intensity in the liquid bulk is achieved below the surface of the sonotrode, at the lowest temperature and with an applied power of 3.5 kW. This two-fold mechanism is related to (a) acoustic shielding and (b) the tendency of liquid aluminium to release hydrogen when the temperature drops, thus promoting multiple cavitation events. Understanding these mechanisms in liquid metals can result in a major breakthrough for the optimization of ultrasound applications to liquid metal processing.en_US
dc.description.sponsorshipThis work is performed within the Ultramelt Project supported by the EPSRC Grants EP/K005804/1 and EP/K00588X/1.en_US
dc.language.isoenen_US
dc.publisherSpringer Indiaen_US
dc.subjectUltrasonic treatmenten_US
dc.subjectMetallic alloysen_US
dc.subjectCavitation bubblesen_US
dc.subjectFrequency spectrumen_US
dc.subjectAcoustic pressureen_US
dc.titleEffect of input power and temperature on the cavitation intensity during the ultrasonic treatment of molten aluminiumen_US
dc.typeArticleen_US
dc.identifier.doihttp://dx.doi.org/10.1007/s12666-015-0639-0-
dc.relation.isPartOfTransactions of the Indian Institute of Metals-
pubs.publication-statusAccepted-
pubs.publication-statusAccepted-
Appears in Collections:Brunel Centre for Advanced Solidification Technology (BCAST)

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