Element Six Gmbh

Hauke Hinners

Bernd Heinrich Ries

Tomas Rostvall

Igor Yurievich Konyashin

Ian Grenbjörk

This disclosure relates to a percussive drill bit comprising PCD studs and a hard facing material that is strategically located to minimise stud pop outs and the amount of hard facing material used.

Drill bit with wear shield

A method of fabricating a cemented carbide article by additive manufacturing, and a granular material are disclosed. A precursor material is provided that comprises granules, the granules comprising carbide grains and a binder comprising any of cobalt, nickel and iron. Each granule has a density of at least 99.5% of the theoretical density and the granules of the precursor material have a mean compressive strength of at least 40 megapascals (MPa). An additive manufacturing process is used to manufacture the article by building up successive layers of material derived from the precursor material.

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Burghaun, Germany

Hauke Hinners