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Multi-Layer Coating with Cubic Boron Nitride Particles

  • US 20140308511A1
  • Filed: 05/29/2012
  • Published: 10/16/2014
  • Est. Priority Date: 05/27/2011
  • Status: Active Grant
First Claim
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1. A multi-layer coated substrate, comprising:

  • a. a substrate, wherein the substrate comprises a substrate material chosen from the set consisting of carbides, ceramics, polycrystalline cubic boron nitride (PCBN) compacts, PCBN tips, cermets, carbon, and steels;

    b. a composite layer comprising cubic boron nitride (cBN) particles and particles comprising a second material, wherein the second material is chosen from the set consisting of nitrides, carbides, carbonitrides, borides, carbon, and oxides; and

    c. a ceramic layer adjacent to the composite layer, the ceramic layer comprising a third material chosen from the set consisting of nitrides, carbides, carbonitrides, borides, carbon, and oxides.

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