| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Djambazov, Georgi
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2023A study of the complex dynamics of dendrite solidification coupled to structural mechanicscitations
- 2021Enhancement of mechanical properties of pure aluminium through contactless melt sonicating treatmentcitations
- 2020Acoustic resonance for contactless ultrasonic cavitation in alloy meltscitations
- 2020Progress in the development of a contactless ultrasonic processing route for alloy grain refinementcitations
- 2020Contactless ultrasonic treatment in direct chill casting
- 2019The contactless electromagnetic sonotrodecitations
- 2019Contactless ultrasonic cavitation in alloy meltscitations
- 2016Multiple timescale modelling of particle suspensions in metal melts subjected to external forces
- 2015Contactless ultrasound generation in a cruciblecitations
- 2013A multiscale 3D model of the Vacuum Arc remelting processcitations
- 2012A multi-scale 3D model of the vacuum arc remelting processcitations
- 2009Vacuum arc remelting time dependent modelling
- 2009Effect of varying electromagnetic field on the VAR process
- 2008Vacuum arc remelting time dependent modelling
- 2006Experimental and numerical study of the cold crucible melting processcitations
- 2005Maximising heat transfer efficiency in the cold crucible induction melting process
- 2004Numerical simulation of vacuum dezincing of lead alloy
Places of action
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article
Experimental and numerical study of the cold crucible melting process
Abstract
The cold crucible, or induction skull melting process as is otherwise known, has the potential to produce high purity melts of a range of difficult to melt materials, including Ti–Al and Ti6Al4V alloys for Aerospace, Ti–Ta and other biocompatible materials for surgical implants, silicon for photovoltaic and electronic applications, etc. A water cooled AC coil surrounds the crucible causing induction currents to melt the alloy and partially suspend it against gravity away from water-cooled surfaces.Strong stirring takes place in the melt due to the induced electromagnetic Lorentz forces and very high temperatures are attainable under the right conditions (i.e., provided contact with water cooled walls is minimised). In a joint numerical and experimental research programme, various aspects of the design and operation of this process are investigated to increase our understanding of the physical mechanisms involved and to maximise process efficiency. A combination of FV and Spectral CFD techniques are used at Greenwich to tackle this problem numerically, with the experimental work taking place at Birmingham University. Results of this study, presented here, highlight the influence of turbulence and free surface behaviour on attained superheat and also discuss coil design variations and dual frequency options that may lead to winning crucible designs.