Title:
GRINDING BODY AND MANUFACTURE THEREOF
Document Type and Number:
Japanese Patent JPS61293769
Kind Code:
A
Abstract:
An abrasive body (12, 22) is provided which has high strength and an ability to withstand high temperatures making it suitiable as a tool insert for dressing tools and surface set drill bits. The body (12, 22) comprises a mass of diamond particles present in an amount of 80 to 95 percent by volume of the body (12, 22) and a second phase present in an amount of 5 to 20 percent by volume of the body (12, 22), the mass of diamond particles containing substantial diamond-to-diamond bonding to form a coherent skeletal mass and the second phase containing chromium and a second metal selected from the group of nickel, iron and cobalt, the chromium being in the form of the metal, chromium carbide and/or in the form of an intermetallic compound with the second metal and the second metal being in the form of the metal and/or the intermetallic compound with the chromium. The abrasive bodies (12, 22) are made under conditions of elevated temperature and pressure suitable for diamond compact manufacture.
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Inventors:
ADAMU ANTONI SUTATSUTOMIYUURAA
NOERU JIYON PIPUKIN
NOERU JIYON PIPUKIN
Application Number:
JP8197886A
Publication Date:
December 24, 1986
Filing Date:
April 09, 1986
Export Citation:
Assignee:
DE BEERS IND DIAMOND
International Classes:
B23B27/14; B23B51/00; B24D3/00; B24D3/04; B24D3/06; B24D3/08; B24D3/10; B24B53/12; B24D18/00; B24D99/00; C09K3/14; C22C1/10; C22C26/00; (IPC1-7): B23B27/14; B24B53/12; B24D3/00; B24D3/06; C09K3/14; C22C1/10; C22C26/00
Attorney, Agent or Firm:
Asamura Akira