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Contenido archivado el 2024-04-16

Surface generation, surface pretreatment and surface characterization of tool materials in relation to pvd coating - a new and systematic approach

CORDIS proporciona enlaces a los documentos públicos y las publicaciones de los proyectos de los programas marco HORIZONTE.

Los enlaces a los documentos y las publicaciones de los proyectos del Séptimo Programa Marco, así como los enlaces a algunos tipos de resultados específicos, como conjuntos de datos y «software», se obtienen dinámicamente de OpenAIRE .

Resultados aprovechables

Several machining processes namely grinding, tungsten electrodischarge machining (W-EDM), sink-EDM and electrochemical machining (ECM) were used to machine surfaces of tool materials (tool steels, carbides and cermets). The influence of machining conditions on the properties of a physical vapour deposition (PVD) titanium nitride coating has been studied. First results are available and can be transferred to industrial practice subsequent to the project.
In a systematic manner the influence of surface generation and surface preparation of several tool materials on the coated system performance was investigated. Knowledge on the influence of grinding, polishing and spark erosion, and also on the influence of the cleaning procedure on the physical vapour deposition (PVD) coating (titanium nitride) adhesion was gathered. The results of this project fill in a part of the lack of data concerning these aspects. More research in this field is necessary. The technical and economical advantage of this know how will be that tool makers and tool users can deliver tools to the jobcoaters with an optimal surface state with respect to PVD coating.

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