Influence of Different Lubricants on the Friction between the Solidifying Shell and the Mould during the DC Casting of AlMgSi0.5
- Dipl.-Ing. K. Ehrke Chairman3 and
- Prof. Dr. W. Schneider4
Published Online: 21 APR 2006
Copyright © 2000 Wiley-VCH Verlag GmbH
How to Cite
Dörnenburg, F. and Engler, S. (2000) Influence of Different Lubricants on the Friction between the Solidifying Shell and the Mould during the DC Casting of AlMgSi0.5, in Continuous Casting (eds K. Ehrke and W. Schneider), Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, FRG. doi: 10.1002/3527607331.ch7
ALUMINIUM Essen GmbH, Sulterkamp 71, D-45356 Essen, Germany
VAW Aluminium AG, Forschung und Entwicklung, Georg-von-Boeselager-Str. 25, D-53117 Bonn, Germany
- Published Online: 21 APR 2006
- Published Print: 29 NOV 2000
Print ISBN: 9783527302833
Online ISBN: 9783527607334
- continuous casting;
- casting technology;
- reducing friction
Good, uniform billet quality is the most important requirement in the production of billets and ingots. The lubricant used can be an influential factor in meeting this requirement. One role performed by lubricant is to reduce friction between the solidifying shell and the mould wall. In this paper, an experimental set-up which was used is presented to measure this friction. Different lubricants and different amounts of lubricant were applied during the DC casting of AA 6063 (AlMgSi0.5). The measurements correlated with the roughness of the cast billets. It could be observed that with a rougher surface, higher friction values were measured.
Using a new lubricant , a very smooth surface could be achieved although the friction was higher than with a conventional lubricant. This was the result of a large contact area between the surface of the billet and the mould wall.
Finally, a new model which describes the processes in the gap between the solidifying shell and mould wall is presented.