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Towards the Industrialization of Superhard Nanocrystalline Composites for High Speed and Dry Machining

Published online by Cambridge University Press:  11 February 2011

Mojmir Jilek ,
Pavel Holubar ,
Maritza G. J. Veprek-Heijman  and
Stan Veprek
Mojmir Jilek
Affiliation:
SHM Ltd. CZ-78803 Novy Malin 266, Czech Republic, e-mail: shm@shm-cz.cz
Pavel Holubar
Affiliation:
SHM Ltd. CZ-78803 Novy Malin 266, Czech Republic, e-mail: shm@shm-cz.cz
Maritza G. J. Veprek-Heijman
Affiliation:
Institute for Chemistry of Inorganic Materials, Technical University Munich, Lichtenberstr. 4, D-85747 Garching b. Munich, Germany, e-mail: veprek@ch.tum.de
Stan Veprek*
Affiliation:
Institute for Chemistry of Inorganic Materials, Technical University Munich, Lichtenberstr. 4, D-85747 Garching b. Munich, Germany, e-mail: veprek@ch.tum.de
*
*) Corresponding author
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Abstract

Novel superhard wear resistant nanocomposite coatings nc-(Ti1-xAlx)N/a-Si3N4 for advanced machining tools were developed and introduced into large scale industrial production within a relatively short time. We describe the development of the coating technology based on vacuum arc evaporation from a specially designed cylindrical cathode and, as a result of that development, the improvement of the properties and machining performance of the coatings.

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References

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