NANOCOMPOSITE REFRACTORY COATINGS AND APPLICATIONS THEREOF

In one aspect, articles are described comprising refractory coatings employing nanocomposite architectures. Articles having such refractory coatings, in some embodiments, are suitable for high wear and/or abrasion applications such as metal cutting operations. A coated article described herein compr...

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Bibliographische Detailangaben
Hauptverfasser:	COOPER RODRIGO ALEJANDRO, LIU YIXIONG, LEICHT PETER RUDOLF, LIU ZHENYU
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	In one aspect, articles are described comprising refractory coatings employing nanocomposite architectures. Articles having such refractory coatings, in some embodiments, are suitable for high wear and/or abrasion applications such as metal cutting operations. A coated article described herein comprises a substrate and a coating deposited by CVD adhered to the substrate, the coating including a refractory layer having a matrix phase comprising alumina and a nanoparticle phase contained within the matrix phase, the nanoparticles phase comprising crystalline nanoparticles formed of at least one of a carbide, nitride or carbonitride of a Group IVB metal.