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Tribology of Duplex Process of Plasma Nitriding Plus Hard Nanostructured Coating for Wear Resistance Applications in Tool Steels
ANA MARIA ARIZMENDI MORQUECHO
Acceso Abierto
Sin Derechos Reservados
Wear
Nitriding
Nowadays, the subject of recycling plastics (especially PET Polyethylene terephthalate, massively used for bottles) becomes an extremely important task from the environmental point of view. However, D2 steel blades commonly used in plastic cutting mills are not perfect regarding their mechanical and wear-resist properties, which causes significant expenses for frequent service / replacement of the tools. This paper is dedicated to tribology studies of WC–Co based coatings deposited on a plasma nitriding surface of D2 tool steel to increase its wear resistance properties. The performance of the coating was related to its microstructure, composition, mechanical and wear-resistance properties. The latter were studied using ball-on-disk experiments for coated samples of D2 and CPM10V steels in order to determine the behavior of the material in a real cutting process. The results obtained demonstrated that the suggested duplex process improved wear resistance of steels in several times, increasing working life of the tool at least in 500%.
2010
Memoria de congreso
Inglés
OTRAS
Versión revisada
submittedVersion - Versión revisada
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