There are several criteria which characterize melt cleanliness, e.g. hydrogen, alkali metal and the non-metallic inclusion content. Due to the increasing quality demand of materials for high end applications (e.g. the aerospace industry) melt cleanliness has to be improved. Beside the in-line melt treatment, which is a very important step for rising the melt quality, the content of impurities in casting/holding furnaces has to be reduced before to enhance efficiency of in-line operations. This paper describes the optimization possibilities for the casting furnace process especially the impeller gas purging treatment. Based on CFD-calculations, a methodology for the melt treatment of AA 7075 has been investigated and applied to the real process. Out of this, key factors can be derived and will be discussed.


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    Titel :

    Optimisation of the melt quality in casting/holding furnaces


    Weitere Titelangaben:

    Optimierung der Schmelzequalität in Gieß-/Warmhalteöfen


    Beteiligte:


    Erscheinungsdatum :

    2008


    Format / Umfang :

    6 Seiten, 22 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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