Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2004-04-23
2008-10-07
Turner, Archene (Department: 1794)
Stock material or miscellaneous articles
Composite
Of inorganic material
C051S307000, C051S309000, C427S255190, C427S255210, C427S255230, C427S255280, C427S255391, C428S472000, C428S699000, C428S701000, C428S702000
Reexamination Certificate
active
07431998
ABSTRACT:
The invention relates to a tool, especially a cutting tool, comprising a substrate member onto which at least one layer is deposited by means of CVD, and a method for the chemical vapor deposition of a two-phase layer on a sintered part. According to the invention, the single deposited layer or at least one of the layers is provided with a TiCN phase, TiOCN phase, TiOC phase, or TiC phase and an additional phase consisting of ZrO2and/or HfO2. CH3CN, C5H5N, or C6H6is used in the gas atmosphere for producing such a layer in addition to TiCl4, HfCl4, and/or ZrCl4and CO2, the remainder being composed of H2and/or Ar.
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Sottke Volkmar
Van Den Berg Hendrikus
Westphal Hartmut
Kennametal Widia Produktions GmbH & Co. KG
Myers Jonathan
Turner Archene
Wilford Andrew
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