Spark erosion processing of hard tungsten-cobalt alloy in water and subsequent carbonization

The paper examines the advanced method of spark erosion for recycling hard-alloy scrap. It is shown that spark discharge over hard alloy in water leads to the decarburization of the initial WC phase in the surface layer and of the powder formed. After carburization, the powder can be used for the pr...

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Bibliographic Details
Published in:Powder metallurgy and metal ceramics 2008-07, Vol.47 (7-8), p.486-492
Main Authors: Dvornik, M. I., Verkhoturov, A. D.
Format: Article
Language:English
Subjects:
Alloy powders
Carbonization
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Glass
Materials Science
Metal scrap
Metallic Materials
Metallurgy
Natural Materials
Powder metallurgy
Recycling
Scrap
Spark erosion
Surface layer
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Summary:The paper examines the advanced method of spark erosion for recycling hard-alloy scrap. It is shown that spark discharge over hard alloy in water leads to the decarburization of the initial WC phase in the surface layer and of the powder formed. After carburization, the powder can be used for the production of hard alloys. The structure and mechanical characteristics of the hard alloy made of the powder are studied.
ISSN:1068-1302
1573-9066
DOI:10.1007/s11106-008-9050-2