Abstract: A high temperature, stabilized thermo-optically functional composite is disclosed. The composite includes a phase stabilized matrix including a first component stabilized by a second component and a plurality of discrete metallic particles interspersed with respect to the matrix, wherein the composite is stable at temperatures greater than about 2000 degrees K.

Abstract: A process for producing a sturdy refractory metal oxide article includes the steps of heating a substrate of organic material impregnated with a metal compound to thermally decompose the compound without substantial thermal decomposition of the substrate, further heating to decompose and remove the organic material and complete conversion of the compound to a metal oxide so that a metal oxide replica of the substrate remains and further heating to sinter and densify the replica such that the replica has a strength (shock resistance) figure of merit of at least three g-meters and the replica retains such strength after heating to 1500 C.

Abstract: A mechanically durable, highly luminous mantle for a gas-powered light source.

Abstract: A high output, narrow band thermally energized radiation source comprises a rare earth oxide radiator member that has a cross-sectional dimension in the range of five to thirty micrometers, the rare earth oxide radiator member, when heated to about 1700.degree. C., having a concentrated radiated flux over the 400-2500 nanometer wavelength range such that at least 50% of the radiated flux is within a spectral band that is less than 400 nanometers wide.

Abstract: Candoluminescent material constituted by a mixture of finely divided oxides brought into the form of a net identical to a textile. This mixture has the following molar compositions:75 to 90% zirconia,5 to 20% of yttrium oxide or calcium oxide and yttrium oxide.2 to 15% of magnesia, or magnesia and alumina,0.01 to 1% in all of oxides of iron, chrome, manganese, praseodymium and/or cerium.

Abstract: Incandescent mantles of improved strength and durability are provided for use with fuel-burning lanterns. The mantles are characterized by the use of a hydroxide mixture on the mantle sack of which the primary component is yttrium hydroxide together with a critical proportion of cerium hydroxide, whereby on conversion of the hydroxides to the corresponding oxides of the incandescent mantle, illumination is provided of a candle power comparable to that of the standard thorium oxide-cerium oxide mantles while at the same time obtaining a mantle of greatly increased strength and durability, as needed especially for use with fuel-burning lanterns where the mantles are subjected to frequent mechanical shocks.

Abstract: The invention relates to a candoluminescent material, its preparation process and its use as a gas lamp mantle.This condoluminescent material is constituted by a mixture of finely divided oxides brought into the form of a netting identical to a textile, wherein it comprises 75 to 90 molar % of zirconium oxide ZrO.sub.2, 10 to 25 molar % of calcium oxide CaO, 0 to 5% of aluminum oxide and/or magnesium oxide and 0 to 1% in all of one or more oxides chosen from the group including iron oxide, manganese oxide, praseodymium oxide and cerium oxide.It is prepared by impregnating a combustible textile with a solution of zirconium and calcium salts, optionally containing aluminum, aluminum, iron, manganese, praseodymium and/or cerium salts and then subjecting the impregnated textile to a combustion process in order to eliminate the textile and transform the salts into oxides.

Abstract: A uniform mixture consisting essentially of an aqueous silicone elastomeric emulsion and mineral particles having an average particle diameter of greater than 150 micrometers is described. The emulsion comprises an anionically stabilized, hydroxyl endblocked polydiorganosiloxane, colloidal silica, and an alkyl tin salt. The uniform mixture can be applied to building surfaces such as structural foam insulation or wooden walls to provide a protective covering. The cured coating can provide protection from weathering, physical damage, and fire.