The use of master alloy powders in metal injection moulding (MIM), which enhance their properties and provide an alternative to pre-alloyed powders, is discussed. Master alloys can be used in the MIM fabrication of nickle-based super alloys to produce high-density sintered parts. Master alloy powders have been sucessfully used in MIM to provide an alternative to pre-alloyed powders for stainless steels, including 420, 316L, and17-4PH as well as tool steel and low alloy steels. The Alloy 718 master alloy was designed to include additions of both carbonyl Fe and carbonyl Ni with a blending ratio 4:1:1 to produce the Alloy 718 composition after sintering.


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    Title :

    Aerospace adds lustre to appeal of master alloy MIM feedstocks


    Published in:

    Metal Powder Report ; 59 , 10 ; 14-19


    Publication date :

    2004


    Size :

    6 Seiten




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English