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

Stock material or miscellaneous articles – Self-sustaining carbon mass or layer with impregnant or...

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Details

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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