The supply of liquid aluminum casting alloys from refiners to shape casting foundries is very common in Europe. Volumes increase continuously. The quality requirements are high and hence melt quality topics, which are well-known from the aluminum wrought alloy sector, are becoming more and more important. Long distance transportation of liquid metal alloys requires superheating to compensate temperature loss and to avoid any solidification. At the customer, the transport ladles sometimes replace holding furnaces or have to wait for metal transfer into the holder. Therefore, the liquid metal must be heated at its destination. Foundry managers can choose between direct heating gas burners or indirect heating ceramic immersion heaters. So far, there hasn't been found a detailed investigation of the influence of both heating technologies on melt quality, by the authors. This paper examines the influence of heating technology at constant holding temperature on inclusion and hydrogen content as well as the density index. The experimental work has been carried out on the alloy AlSi7Mg and AlSi9Cu3(Fe).


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    Title :

    Influence of heating technology on melt quality in ladles for road transportation of liquid aluminum casting alloys during HOLDING


    Additional title:

    Einfluss der Heiztechnik auf die Schmelzequalität in Pfannen für den Straßentransport von Aluminiumgusslegierungsschmelzen durch Warmhalten


    Contributors:


    Publication date :

    2010


    Size :

    6 Seiten, 5 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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