Composite diamond abrasive compact

Details Composite diamond abrasive compact Composite diamond abrasive compact

1994-05-05

1996-03-12

Turner, A. A.

Stock material or miscellaneous articles

Self-sustaining carbon mass or layer with impregnant or...

51295, 51307, 51309, 428212, 428216, 428469, 428472, 428698, B32B 2714

Patent

active

054984807

ABSTRACT:
A composite diamond abrasive compact comprises a diamond compact bonded to a cemented carbide support along a compact/carbide interface and is characterised by the carbide support comprising at least two zones, a first zone containing a binder metal content of a predetermined amount, and a second zone extending from the interface to the first zone and having a binder metal content which is substantially lower than that of the first zone. The second zone has a depth or thickness of no more than 0,75 mm. The binder metal content of the second zone increases from the interface to the first zone in a continuous, non-interrupted manner.

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patent: 5037704 (1991-08-01), Nakai et al.
patent: 5154245 (1992-10-01), Waldenstrom et al.

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