Cemented carbide body used preferably for rock drilling and mineral cutting
The present invention relates to cemented carbide bodies preferably for rock drilling and mineral cutting. By having the bodies comprising a core of cemented carbide containing eta-phase surrounded by a surface zone of cemented carbide free of eta-phase and having a low content of cobalt in the surf...
Saved in:
Main Authors | , , |
---|---|
Format | Patent |
Language | English French German |
Published |
28.05.1986
|
Edition | 4 |
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | The present invention relates to cemented carbide bodies preferably for rock drilling and mineral cutting. By having the bodies comprising a core of cemented carbide containing eta-phase surrounded by a surface zone of cemented carbide free of eta-phase and having a low content of cobalt in the surface and a higher content of cobalt next to the eta-phase zone the bodies have obtained an increased strength and life in practical use. |
---|---|
Bibliography: | Application Number: EP19850850333 |