Metal fusion bonding – Process – Critical work component – temperature – or pressure
Patent
1995-12-06
1997-04-29
Ramsey, Kenneth J.
Metal fusion bonding
Process
Critical work component, temperature, or pressure
761082, 76DIG12, 51295, B24D 1800, B23K 2002
Patent
active
056240686
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.
Fischer Udo K. R.
Hillert Lars H.
Waldenstrom Mats G.
Diamant Boart Stratabit S.A.
Ramsey Kenneth J.
Sandvik AB
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