发明公开
EP0480895A2 Improved diamond tools for rock drilling, metal cutting and wear part applications 失效
提高金刚石工具凿岩,金属切削和磨损的部分应用。

Improved diamond tools for rock drilling, metal cutting and wear part applications
摘要:
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. All the bodies of cemented carbide should 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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