Provided is a cubic boron nitride sintered body including more than or equal to 85 volume percent and less than 100 volume percent of cubic boron nitride particles, and a remainder of a binder, wherein the binder contains WC, Co, and an Al compound, the binder contains W.sub.2Co.sub.21B.sub.6, and, when I.sub.A represents an X-ray diffraction intensity of a (111) plane of the cubic boron nitride particles, I.sub.B represents an X-ray diffraction intensity of a (100) plane of the WC, and I.sub.C represents an X-ray diffraction intensity of a (420) plane of the W.sub.2Co.sub.21B.sub.6, a ratio I.sub.C/I.sub.A of the I.sub.C to the I.sub.A is more than 0 and less than 0.10, and a ratio I.sub.C/I.sub.B of the I.sub.C to the I.sub.B is more than 0 and less than 0.40.

There is provided a powder material that is for densifying a molded article manufactured by an additive layer manufacturing method and improving harness of the molded article. There is provided a powder material for use in additive layer manufacturing containing ceramics and metals, in which a tapped filling rate defined by (tapped density/theoretical density)×100% is 40% or more.

There is provided a powder material that is for densifying a molded article manufactured by an additive layer manufacturing method and improving harness of the molded article. There is provided a powder material for use in additive layer manufacturing containing ceramics and metals, in which a tapped filling rate defined by (tapped density/theoretical density)×100% is 40% or more.

There is provided a powder material that is for manufacturing a molded article having low porosity and having uniformly present micropores by an additive layer manufacturing method. A powder material for use in additive layer manufacturing contains ceramics and metals, in which a tapped filling rate defined by (tapped density/theoretical density)×100% is 30% or more and less than 40%.

A wear-resistant member that is slidingly contacted with a hard member, wherein the wear-resistant member is formed of an alloy in which hard particles having an average particle size of 10 to 150 μm are bonded by a bonding portion.

The present invention concerns a pressed cutting tool comprising a variable core diameter, a mold and a method for producing the cutting tool by pressing. Said cutting tool preferably comprises a shaft and a part comprising one or more helical flutes, wherein low points or lines in said flutes define the shape of said core. In a preferred embodiment, said core is conical. In a preferred embodiment, said cutting tool is an end mill and/or a drill.

The invention relates to an electrode material, preferably an inert anode material comprising at least a metal core and a cermet material, characterized in that: said metal core contains at least one nickel (Ni) and iron (Fe) alloy, said cermet material comprises at least as percentages by weight: 45 to 80% of a nickel ferrite oxide phase (2) of composition Ni.sub.xFe.sub.yM.sub.zO.sub.4 with 0.60 ≤x≤0.90; 1.90≤y≤2.40; 0.00≤z≤0.20 and M being a metal selected from aluminum (Al), cobalt (Co), chromium (Cr), manganese (Mn), titanium (Ti), zirconium (Zr), tin (Sn), vanadium (V), niobium (Nb), tantalum (Ta) and hafnium (Hf) or being a combination of these metals, 15 to 45% of a metallic phase (1) comprising at least one alloy of nickel and copper.

An insert of the present disclosure includes a base. The base includes a first surface, a second surface connecting to the first surface, and a cutting edge located on at least a part of a ridgeline of the first surface and the second surface. A region within 2.0 mm from the cutting edge in the first surface is a surface region A. A region within 0.5 mm from the surface region A is a region A1. A region within 1.2 mm from the surface region A and the second surface to 2.0 mm from the surface region A and the second surface is a region A2. An area ratio of vacancies in the region A1 is 0.005-0.04 area %, and an area ratio of vacancies in the region A2 is 0.05-0.2 area %. A cutting tool includes a holder including a pocket and the insert located in the pocket.

According to one aspect, the present disclosure provides a system for manufacturing transition structures including fiber threads embedded within a metal component. The system may include a supply of base sheet metal. The system may include a conveyor supported on a plurality of rollers and configured to move the base sheet metal in a production direction. The system may include a plurality of stages arranged in the production direction. Each stage may include a channel forming device configured to form a channel in the base sheet metal, a fiber inserting device configured to insert a portion of a fiber material into the channel, and one or more ultrasonic welders configured to consolidate a layer of metal foil over the fiber. The disclosure includes methods of using the system to produce transition structures and reinforced components.

The disclosure relates to a method for preparing Ti(C,N)-based superhard metal composite materials, with Ti(C,N) powder and (W,Mo,Ta)(C,N) powder as main raw materials and Co powder as binding phase for preparation, thereby obtaining a material in which a microstructure is a double-core rim structure that has both a black core rim and a white core rim. The material has a complete and evenly distributed double-core rim structure. In the condition that the ensured hardness of the material is not reduced and even slightly increased, the toughness of the material is significantly improved, wherein the fracture toughness of the material is in the range of 11.3 to 12.5 MPa.Math.m.sup.1/2.