Publication

Thermomechanical Effects during Direct Chill and Electromagnetic Casting of Aluminum Alloys Part I : Experimental Investigation

Jean-Marie Drezet
2016

Abstract

The deformation and the temperature field evolution within direct chill (DC) and electromagnetic (EM) cast aluminum ingots have been measured in-situ using a simple experimental set-up. The deformation of the cross section of the cold ingots has also been characterized as a function of the casting speed, alloy composition and inoculation condition. The pull-in of the lateral rolling faces has been found to occur in two sequences for DC cast ingots whereas that associated with EMC was continuous. The pull-in was maximum at the center of these faces (about 7–9 %) and strongly depended upon the casting speed. The present results constitute a basis for the validation of the model presented in part II.

Official source

https://infoscience.epfl.ch/entities/publication/275f0511-5371-412c-a3b5-dea0dfd54190

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Jean-Marie Drezet
2016

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/275f0511-5371-412c-a3b5-dea0dfd54190

About this result

Related concepts (32)

Aluminium alloy

An aluminium alloy (or aluminum alloy; see spelling differences) is an alloy in which aluminium (Al) is the predominant metal. The typical alloying elements are copper, magnesium, manganese, silicon, tin, nickel and zinc. There are two principal classifications, namely casting alloys and wrought alloys, both of which are further subdivided into the categories heat-treatable and non-heat-treatable. About 85% of aluminium is used for wrought products, for example rolled plate, foils and extrusions.

Rolling (metalworking)

In metalworking, rolling is a metal forming process in which metal stock is passed through one or more pairs of rolls to reduce the thickness, to make the thickness uniform, and/or to impart a desired mechanical property. The concept is similar to the rolling of dough. Rolling is classified according to the temperature of the metal rolled. If the temperature of the metal is above its recrystallization temperature, then the process is known as hot rolling.

Electromagnetism

In physics, electromagnetism is an interaction that occurs between particles with electric charge via electromagnetic fields. The electromagnetic force is one of the four fundamental forces of nature. It is the dominant force in the interactions of atoms and molecules. Electromagnetism can be thought of as a combination of electrostatics and magnetism, two distinct but closely intertwined phenomena.

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Thermomechanical Effects during Direct Chill and Electromagnetic Casting of Aluminum Alloys Part I : Experimental Investigation

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