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Patent Searching and Data


Title:
ABRASIVE COMPACT OF SUPERHARD MATERIAL AND CHROMIUM AND CUTTING ELEMENT INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2010/117823
Kind Code:
A3
Abstract:
Cutting elements having a substrate and a layer of superhard material sintered to the substrate are disclosed. The layer includes a working surface at a first surface. From the interface of the layer with the substrate, a reaction zone extends into the layer toward the working surface and a binder metal depletion zone extends into the substrate toward a base surface. The layer of superhard material has a composition including chromium or an alloy thereof. Also disclosed is an abrasive compact having a body with a composition including (i) a superhard material, (ii) a metal from a grain growth inhibitor or a metal from a metallic carbide other than WC, and (iii) an iron group binder metal. Cutting elements incorporating the abrasive compact, and drill bits incorporating abrasive compacts and cutting elements are also disclosed as well as methods of manufacture and methods of cutting material.

Inventors:
TRUEMNER CHRISTIAN JAMES (US)
VAGARALI SURESH (US)
Application Number:
PCT/US2010/029291
Publication Date:
January 13, 2011
Filing Date:
March 31, 2010
Export Citation:
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Assignee:
TRUEMNER CHRISTIAN JAMES (US)
VAGARALI SURESH (US)
DIAMOND INNOVATIONS INC
International Classes:
B22F3/00; B01J3/06; B22F7/06; B24D3/00; B24D18/00; C04B35/56; C04B35/645; C22C26/00
Foreign References:
US6892836B12005-05-17
US4983212A1991-01-08
US5151107A1992-09-29
JP2600359B21997-04-16
JPS58199804A1983-11-21
Attorney, Agent or Firm:
GASAWAY, Maria (Inc.6325 Huntley Roa, Worthington OH, US)
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