This invention relates to cutting inserts for earth boring bits comprising a cutting zone,
wherein the cutting zone comprises first cemented hard particles and a body zone, wherein …

Embodiments of the present invention include methods of producing a composite article. A
method comprises introducing a first powdered metal grade from a feed shoe into a first …

US PATENT DOCUMENTS 1,509,438 A 9, 1924 Miller 1,530,293 A 3, 1925 Breitenstein
1,808,138 A 6/1931 Hogg et al. 1,811,802 A 6, 1931 Newman 1912, 298 A 5, 1933 Newman …

An article includes a working portion including cemented carbide, and a heat sink portion in
thermal communication with the working portion. The heat sink portion includes a heat sink …

(57) ABSTRACT A cutting tool having a substrate and a coating layer for coating the Surface
of the Substrate, the coating layer being composed of Ti, AlWSiM (CN), where M is at least …

2O posed of a second cemented carbide. At least one of the first cemented carbide and the
second cemented carbide is a hybrid cemented carbide that includes a cemented carbide …

US PATENT DOCUMENTS 1,509,438 A 9, 1924 Miller 1,530,293 A 3, 1925 Breitenstein
1,808,138 A 6/1931 Hogg et al. 1,811,802 A 6, 1931 Newman 1912, 298 A 5, 1933 Newman …

US8312941B2 - Modular fixed cutter earth-boring bits, modular fixed cutter earth-boring bit
bodies, and related methods - Google Patents US8312941B2 - Modular fixed cutter earth-boring …

(57) ABSTRACT A composite article includes a first composite material and a second
composite material. The first composite material and the second composite material …

0.15 binder comprising ruthenium may provide a greater service life. The wear resistant
coating comprising hafnium carbon nitride may have a thickness of from 1 to 10 microns. In …