A zirconia sintered body that includes a transparent zirconia portion and an opaque zirconia portion has a biaxial bending strength of 300 MPa or more. In addition, the opaque zirconia portion is configured by an opaque zirconia sintered body that is any one of a dark-colored zirconia sintered body, a medium-light-colored zirconia sintered body, and a light-colored zirconia sintered body.

A method for producing a ceramic complex includes: preparing a raw material mixture that contains 5% by mass or more and 40% by mass or less of first rare earth aluminate fluorescent material particles containing an activating element and a first rare earth element different from the activating element, 0.1% by mass or more and 32% by mass or less of oxide particles containing a second rare earth element, and the balance of aluminum oxide particles, relative to 100% by mass of the total amount of the first rare earth aluminate fluorescent material particles, the oxide particles, and the aluminum oxide particles; preparing a molded body of the raw material mixture; and obtaining a sintered body by calcining the molded body in a temperature range of 1,550 C. or higher and 1,800 C. or lower.

An optical window is provided and includes a core layer, a cladding layer and an electromagnetic interference (EMI) layer interposed between the core and cladding layers.

An electrically conductive, oxidic target material includes a proportion of substoichiometric molybdenum oxide phases of at least 60% by volume, an MoO.sub.2 phase in a proportion of 2-20% by volume, and optionally an MoO.sub.3 phase in a proportion of 0-20% by volume. The substoichiometric molybdenum oxide phase proportion is formed by one or more substoichiometric MoO.sub.3-y phase(s), where y is in each case in a range from 0.05 to 0.25. A process for producing the target material and a process for using the target material are also provided.

A high temperature resistance cemented carbide is sintered from a tungsten carbide powder and a binder phase powder, wherein the mass percentage of the tungsten carbide powder is 60% to 92% and the mass percentage of the binder phase powder is 8% to 40%. The binder phase powder includes 40 to 90 parts of molybdenum, 10 to 60 parts of cobalt, 0.001 to 0.11 part of boron, 0.001 to 0.02 part of technetium, 1 to 7 parts of silicon, and 2 to 10 parts of manganese. The cemented carbide that can withstand high temperatures and maintain good hardness when used in high temperature environments.

A transparent sintered body having fewer air bubble-derived defects is provided. More specifically, a method is provided of producing a ceramic molded product including at least a step of pressure-molding ceramic granules having a Hausner ratio, which is a quotient obtained by dividing a tapped bulk density by a loose bulk density, of 1.0 or more but not more than 1.2. Also provided is a method of producing a transparent sintered body including at least each of the steps of the above method to obtain a ceramic molded product and a step of heating and sintering the resulting ceramic molded product. The transparent sintered body has a linear transmittance of 78% or more at a wavelength of 600 nm to 2000 nm inclusive except for an element-derived characteristic absorption wavelength.

The disclosure herein relates to rechargeable batteries and solid electrolytes therefore which include lithium-stuffed garnet oxides, for example, in a thin film, pellet, or monolith format wherein the density of defects at a surface or surfaces of the solid electrolyte is less than the density of defects in the bulk. In certain disclosed embodiments, the solid-state anolyte, electrolyte, and catholyte thin films, separators, and monoliths consist essentially of an oxide that conducts Li.sup.+ ions. In some examples, the disclosure herein presents new and useful solid electrolytes for solid-state or partially solid-state batteries. In some examples, the disclosure presents new lithium-stuffed garnet solid electrolytes and rechargeable batteries which include these electrolytes as separators between a cathode and a lithium metal anode.

Method for producing ceramic components, more particularly ceramic components having recesses and/or hollow spaces, there being at least one sintered ceramic part present. In order to improve the handling qualities of ceramic components, the sintered ceramic part can include a carrier or carrying section which is removed in the further processing from at least one ceramic component.

A method for producing a metal-ceramic substrate with electrically conductive vias includes: attaching a first metal layer in a planar manner to a first surface side of a ceramic layer; after attaching the first metal layer, introducing a copper hydroxide or copper acetate brine into holes in the ceramic layer delimiting a via, to form an assembly; converting the copper hydroxide or copper acetate brine into copper oxide; subjecting the assembly to a high-temperature step above 500 C. in which the copper oxide forms a copper body in the holes; and after converting the copper hydroxide or copper acetate brine into the copper oxide, attaching a second metal layer in a planar manner to a second surface side of the ceramic layer opposite the first surface side. The copper body produces an electrically conductive connection between the first and the second metal layers.

A metal detectible plastic material, including a plurality of plastic particles defining a plastic portion and a plurality of high magnetic permeability metallic particles distributed throughout the plastic portion to define an admixture. The plastic particles and the metallic particles are generally the same size and shape, and each respective high magnetic permeability metallic particle has a magnetic permeability of at least 0.0001 H/m. The plastic particles are selected from the group consisting of high molecular mass polymers, thermoplastics, thermosetting polymers, amorphous plastics, crystalline plastics, resin-based materials, and combinations thereof.