C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 21/06 (2006.01) C22B 7/00 (2006.01) C22B 9/02 (2006.01)
Patent
CA 2462674
The invention relates to a method for controlling the proportion of aluminum crystals in a mixture of molten aluminum alloy and aluminum crystals. According to the invention, the electrical resistance of the mixture is determined with the aid of a four-point measurement. With the aid of the measured electrical resistance, the proportion of crystals in the mixture can be kept constant within narrow margins. The invention also relates to a device for carrying out the method.
L'invention concerne un procédé permettant de réguler la proportion de cristaux d'aluminium dans un mélange d'alliage d'aluminium fondu et de cristaux d'aluminium. Selon l'invention, la résistance électrique du mélange est déterminée à l'aide d'une mesure en quatre points. La résistance électrique mesurée permet de maintenir la proportion des cristaux constante dans le mélange, à l'intérieur de marges étroites. L'invention concerne également un dispositif servant à mettre en oeuvre ledit procédé.
Aleris Switzerland Gmbh
Corus Technology Bv
Ridout & Maybee Llp
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