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Doubled-sided and multi-layered PCBN and PCD abrasive articles

  • US 20050210755A1
  • Filed: 03/10/2005
  • Published: 09/29/2005
  • Est. Priority Date: 09/05/2003
  • Status: Abandoned Application
First Claim
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1. A polycrystalline compact, comprising:

  • a) a metal substrate having a first surface and a second surface, wherein the first and second surfaces are non-contiguous;

    b) a first polycrystalline layer attached to the first surface using a first intermediate layer, said first polycrystalline layer including first superabrasive particles bonded together and said first intermediate layer including a consolidated mixture of first intermediate superabrasive particles and a first binder metal; and

    c) a second polycrystalline layer attached to the second surface using a second intermediate layer, said second polycrystalline layer including second superabrasive particles bonded together and said second intermediate layer including a consolidated mixture of second intermediate superabrasive particles and a second binder metal.

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