Polycrystalline diamond with improved abrasion resistance

Details Polycrystalline diamond with improved abrasion resistance Polycrystalline diamond with improved abrasion resistance

2005-07-12

2005-07-12

Neuder, William (Department: 3672)

Boring or penetrating the earth

Bit or bit element

Rolling cutter bit or rolling cutter bit element

C175S434000

Reexamination Certificate

active

06915866

ABSTRACT:
A cutting element and bit incorporating the cutting element is provided, as well as a method for forming the same. The cutting element includes an ultra hard material layer including chromium and carbon and exhibiting increased abrasion resistance without sacrificing toughness. The method for manufacturing the cutting element includes providing a layer of ultra hard material particles and chromium carbide over the substrate, and then sintering to form the cutting element.

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patent: 61111965 (1986-05-01), None
patent: WO 98/46384 (1998-10-01), None
International Search Report dated Oct. 7, 1998 for International Publication No. WO 98/46384, published Oct. 22, 1998, 2 pages.

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