A base material according to an aspect of the present disclosure is made of a cemented carbide. The cemented carbide includes a first hard phase and a binder phase. The first hard phase consists of WC particles. The binder phase includes at least one element selected from Co and Ni. The base material includes a body portion, and a surface portion provided on a surface of the body portion. The surface portion has a thickness less than or equal to an average particle size in the first hard phase. A ratio (B/A) of an area proportion (B) of the binder phase in a surface of the surface portion to an area proportion (A) of the binder phase in a cross section of the body portion is not less than 1.2 and not more than 2.0.

A body armor for protecting a part of body against a projectile, the body armor comprising an outer surface, an inner surface, and a plurality of cavities. The inner surface is shaped to fit over the protected body part, and the cavities reduce the armor weight. Additionally the cavities profile can help in stopping projectiles.

The present invention relates to a method for producing supported catalysts, comprising: providing a metal foam element A, which consists of metallic cobalt, an alloy of nickel and cobalt, or an arrangement of layers of nickel and cobalt, lying one over the other; applying an aluminum-containing powder MP to metal foam element A in order to obtain metal foam element AX; thermally treating metal foam element AX to achieve alloy formation between metal foam element A and aluminum-containing powder MP, in order to obtain metal foam element B; oxidatively treating metal foam element B, in order to obtain metal foam element C; and applying a catalytically active layer, comprising at least one support oxide and at least one catalytically active component, to at least part of the surface of metal foam element C, in order to obtain a supported catalyst. The present invention further relates to the supported catalysts that can be obtained using the method and to the use of said supported catalysts in chemical transformations.

A metallic laminate shaped flow path member has both a surface roughness of a flow path inner surface and corrosion resistance at such a level as to be utilizable as a flow path member for use in a supply line for a corrosive fluid in a semiconductor device manufacturing apparatus. A metallic substrate constituting the metallic laminate shaped flow path member has surface irregularities, the inner surface of the flow path of the metallic laminate shaped flow path member is formed with a glass coating layer in such a manner as to fill at least recessed regions of the surface irregularities of the metallic substrate, and the glass coating layer includes at least one of a layer of a P.sub.2O.sub.5—ZnO—Al.sub.2O.sub.3 based glass, a layer of a Bi.sub.2O.sub.3—ZnO—B.sub.2O.sub.3 based glass, and a layer of an SiO.sub.2—B.sub.2O.sub.3—Na.sub.2O based glass.

This application relates to a method of manufacturing an electrostatic chuck having a high heat dissipation property and high thermal shock resistance and being lightweight, and an electrostatic chuck manufactured by the method. In one aspect, the method includes preparing a composite powder by milling (i) aluminum or aluminum alloy powder and (ii) carbon-based nanomaterial powder through ball milling. The method may also include manufacturing a multilayer billet including a core layer and one or more shell layers surrounding the core layer, in which at least one of the core and shell layers contains the composite powder. The method may further include extruding the multilayer billet to form an electrode layer and forming a dielectric layer on the electrode layer.

This application relates to a method of manufacturing an electrostatic chuck having good characteristics in heat dissipation, thermal shock resistance, and lightness. In one aspect, the method includes preparing a composite powder by ball-milling (i) aluminum or aluminum alloy powder and (ii) carbon-based nanomaterial powder. The method may also include preparing an electrode layer by sintering the composite powder through spark plasma sintering (SPS), and forming a dielectric layer on the electrode layer.

This application relates to a method of manufacturing an electrostatic chuck having good characteristics in heat dissipation, thermal shock resistance, and lightness. In one aspect, the method includes preparing a composite powder by ball-milling (i) aluminum or aluminum alloy powder and (ii) carbon-based nanomaterial powder. The method may also include preparing an electrode layer by sintering the composite powder through spark plasma sintering (SPS), and forming a dielectric layer on the electrode layer.

A method of producing composites of micro-engineered, coated particulates embedded in a matrix of metal, ceramic powders, or combinations thereof, capable of being tailored to exhibit application-specific desired thermal, physical and mechanical properties, such as High Altitude Exo-atmospheric Nuclear Standard (HAENS) I, II or III radiation protection, to form substitute materials for nickel, titanium, rhenium, magnesium, aluminum, graphite epoxy, and beryllium. The particulates are solid and/or hollow and may be coated with one or more layers of deposited materials before being combined within a substrate of powder metal, ceramic or some combination thereof which also may be coated. The combined micro-engineered nano design powder is consolidated using novel solid-state processes that prevent melting of the matrix and which involve the application of varying pressures to control the formation of the microstructure and resultant mechanical properties.

A multilayered material system includes at least one of a liner sheet and a cellular core, and a multilayered composite joined to the at least one of a liner sheet and a cellular core. The multilayered composite includes hollow microspheres dispersed within a metallic matrix material.

A method of treating a sintered mining insert including cemented carbide includes the step of subjecting the mining insert to a surface hardening process. The surface hardening process is executed at an elevated temperature of or above 100° C. A mining insert is also provided, wherein the HV1 Vickers hardness measurement increase (HV1%) from the surface region, measured as an average of HV1 measurements taken at 100 μm, 200 μm and 300 μm below the surface, compared to the HV1 Vickers hardness measured in the bulk (HV1bulk), is at least 8.05-0.00350×HV1bulk.