The Fabrication of Nickel-Graphite Coatings on Mild Steel Using Plasma-Spray Techniques

Nickel-graphite coatings were produced on mild steel substrates by atmospheric plasma spraying using nickel powders containing 15% graphite, in an argon/hydrogen atmosphere. The coatings were characterised by microstructural studies and measurements of mechanical properties. The hardness and elastic...

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Bibliographic Details
Published in:Key Engineering Materials 2004-01, Vol.264-268, p.473-476
Main Authors: Celik, E, Tekmen, C, Turk, A
Format: Article
Language:English
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Summary:Nickel-graphite coatings were produced on mild steel substrates by atmospheric plasma spraying using nickel powders containing 15% graphite, in an argon/hydrogen atmosphere. The coatings were characterised by microstructural studies and measurements of mechanical properties. The hardness and elastic modulus, as determined by microhardness testing, were strongly dependent upon the degree of porosity, oxide content, inclusion content, and the proportions of unmelted and partially-melted particles. The phase composition, determined by XRD, was: Ni, C, Fe, Fe0.93Ni0.056 and Ni3C. 11 refs.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.264-268.473