Diamond tools for rock drilling, metal cutting and wear part app

Details Diamond tools for rock drilling, metal cutting and wear part app Diamond tools for rock drilling, metal cutting and wear part app

1994-08-29

1996-03-05

Turner, A. A.

Stock material or miscellaneous articles

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

51295, 51307, 51309, 407119, 428469, 428698, C23C 1626

Patent

active

054966388

ABSTRACT:
The present invention relates to buttons, inserts and bodies for rock drilling, rock cutting, metal cutting and wear part applications. The buttons, inserts and bodies comprise cemented carbide provided with bodies and/or layers of CVD- or PVD-fabricated diamond and then HP/HT treated in the diamond stable area. The bodies of cemented carbide may have a uniform structure or a multi-structure containing eta-phase surrounded by a surface zone of cemented carbide free of eta-phase.

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