B - Operations – Transporting – 24 – D
Patent
B - Operations, Transporting
24
D
57/17
B24D 3/06 (2006.01) B22F 7/02 (2006.01) B22F 7/06 (2006.01) B24D 18/00 (2006.01)
Patent
CA 1282246
Case 6361(2) ABSTRACT OF THE DISCLOSURE GRADED STRUCTURE COMPOSITES This case relates to tough, wear resistant graded structure composites, to a process for preparing the same and to tools and products fabricated therefrom. The composites have a surface layer e.g. of WC and a binder, an interface layer, e.g. which is a stepwise transition from the surface layer whereby the binder content thereof gradually increases, a substrate layer which is a combination of e.g. an initial high carbon steel layer and finally a base layer of bainitic steel. The composites are substantially non-porous and can be used to fabricate components such as drill bits, wear plates, pump components machine tools, seals, washers, bearings and the like.
545925
Begg Alan Robert
Brown Colin William
Charman Neil Edward Seth
Dresser Industries Inc.
Fetherstonhaugh & Co.
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