Wear-resistant tool

  • US 11,072,008 B2
  • Filed: 10/19/2016
  • Issued: 07/27/2021
  • Est. Priority Date: 10/30/2015
  • Status: Active Grant
First Claim
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1. A wear-resistant tool comprising composite polycrystalline diamond as a core, the composite polycrystalline diamond consisting essentially of polycrystalline diamond and non-diamond carbon, the polycrystalline diamond including a plurality of diamond particulates, and the plurality of diamond particulates are directly bonded to one another, the non-diamond carbon is dispersed in a surface which functions for machining of the wear-resistant tool, and a ratio of an area of non-diamond carbon to an area of the surface which functions for machining is from 0.05% to 30%.

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