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Cutting tool and method of manufacture

  • US 10,683,705 B2
  • Filed: 12/04/2017
  • Issued: 06/16/2020
  • Est. Priority Date: 07/13/2010
  • Status: Active Grant
First Claim
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1. A cutting tool, comprising:

  • a support substrate; and

    a complex ceramic cutting surface laminate formed on the support substrate and including hard shards, a first row transition-metal element, an element from columns III-VI of the periodic table and carbon and/or nitrogen,wherein the laminate includes a MAX-phase material having atomic-scale chemical uniformity uprising M(n+1)AXn (MAX) phase material;

    where M is the first row transition-metal element, where A is the element from columns III-VI of the periodic table and where X is the carbon and/or nitrogen,wherein the MAX-phase material is a crystalline structure with uniformly mixed X-group nanoparticles as an excess secondary phase material formed using a super stoichiometry of X-group precursor materials.

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