Stock material or miscellaneous articles – Self-sustaining carbon mass or layer with impregnant or...
Patent
1991-10-11
1993-11-23
Turner, A. A.
Stock material or miscellaneous articles
Self-sustaining carbon mass or layer with impregnant or...
51307, 51309, 407119, 428469, 428698, C23C 1626
Patent
active
052642836
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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Dennis Mahlon D.
Fisher Udo K. R.
Hillert Lars H.
Waldenstrom Mats G.
Diamant Boart Stratabit S.A.
Sandvik AB
Turner A. A.
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