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Title: Melt Conditioned Direct Chill Casting (MC-DC) Process for Production of High Quality Aluminium Alloy Billets
Authors: Patel, JB
Li, H-T
Xia, M
Jones, S
Kumar, S
O'Reilly, K
Fan, Z
Keywords: Direct chill casting;Intensive melt shearing;Grain refinment;Solidification
Issue Date: 2014
Publisher: Trans Tech Publications
Citation: 14th International Conference on Aluminium Alloys (ICAA), Trondheim, Norway, 15-19 Jun 2014, 794-796, pp. 149 - 154
Abstract: A novel direct chill (DC) casting process, melt conditioned direct chill (MC-DC) casting process, has been developed for production of high quality aluminium alloy billets. In the MC-DC casting process, a high shear device is submerged in the sump of the DC mould to provide intensive melt shearing, which in turn, disperses potential nucleating particles, creates a macroscopic melt flow to uniformly distribute the dispersed particles, and maintains a uniform temperature and chemical composition throughout the melt in the sump. Experimental results have demonstrated that, the MC-DC casting process can produce aluminium alloy billets with significantly refined microstructure and reduced cast defects. In this paper, we give an overview of the MC-DC casting process and report on results obtained from an industrial scale trial.
Appears in Collections:Brunel Centre for Advanced Solidification Technology (BCAST)

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