A flame ionization detector having at least one combustion chamber, at least one conduit for directing a gas or gas mixture, and at least one electrode structure, and a process for forming the flame ionization detector by providing two or more green ceramic films, forming geometric structures in said green ceramic films, depositing at least a portion of an electrically conductive structure on at least one of said green ceramic films, stacking said green ceramic films, laminating said green ceramic films, and sintering said laminated green ceramic films to form said flame ionization detector.

A technical object of the present invention is to devise a method by which bonding strength between an element base and a sealing material layer can be increased without thermal degradation of a member to be housed inside, to thereby improve long-term reliability of a hermetic package. A method of producing a hermetic package of the present invention includes the steps of: preparing a ceramic base and forming a sealing material layer on the ceramic base; preparing a glass substrate and arranging the ceramic base and the glass substrate so that the glass substrate is brought into contact with the sealing material layer on the ceramic base; and irradiating the sealing material layer with laser light from a glass substrate side to seal the ceramic base and the glass substrate with each other through intermediation of the sealing material layer, to thereby provide a hermetic packages.

A pressure sensor, including a platform of ceramic, a measuring membrane arranged on the platform, a pressure measuring chamber enclosed in the platform under the measuring membrane, and at least one metal body connected with the platform via a pressure-tight, preferably elastomer free, mechanical connection. Thermomechanical stresses arising from the connection are reduced by features including that the pressure-tight, mechanical connection occurs via an adapting body arranged between the platform and the metal body. The adapting body has a thermal expansion coefficient, which rises in direction (z) extending from the platform to the metal body from a coefficient of expansion corresponding to a thermal coefficient of expansion of the ceramic of the platform to a coefficient of expansion corresponding to the thermal coefficient of expansion of the metal body, and the adapting body is connected by a first joint with the platform and by a second joint with the metal body.

A composite article includes a ceramic part, a plastic part, and an adhesive layer connecting the ceramic part to the plastic part. The adhesive layer includes polyvinyl acetate, polyvinyl alcohol, dibutyl phthalate, and sec-butyl acetate.

Fan blade containment system includes circular tile layer of annular ceramic tiles attached to and extending radially inwardly from a shell, radially inner and outer annular surfaces of ceramic tiles bonded to a radially inner composite layer and the shell respectively with elastomeric inner and outer adhesive layers respectively. Elastomeric adhesive layers between circumferentially adjacent overlapped or scarfed edges along circumferential edges of the ceramic tiles overlap and mate along oppositely facing surfaces of adjacent ones of the ceramic tiles. Inner and outer adhesive layers and elastomeric adhesive layer may be a double-sided adhesive foam tape. Scarfed edges may be bevels or rabbets. Shell may be made of a metal or composite material. Fan blade containment system may be bonded to and extend inwardly from fan case circumscribing fan blades of a fan. Inner composite layer and composite outer shell may be co-cured with ceramic tiles therebetween.

A ramming mass for the block lining of at least some of the refractory elements of a refractory lining of a metallurgical vessel such as a blast furnace, said ramming mass being composed of a mixture of a granular phase and a binder phase, wherein the granular phase and/or binder comprises at least one component having a microporous structure or capable of forming a microporous structure by firing during the blast furnace campaign. The ramming mass is in particular intended for forming the joint between two concentric annular assemblies forming a side wall of the vessel or between a lower part of an inner annular assembly and the periphery of one or more refractory layers forming the floor of the vessel.

A pressure sensor, including a platform of ceramic, a measuring membrane arranged on the platform, a pressure measuring chamber enclosed in the platform under the measuring membrane, and at least one metal body connected with the platform via a pressure-tight, preferably elastomer free, mechanical connection. Thermomechanical stresses arising from the connection are reduced by features including that the pressure-tight, mechanical connection occurs via an adapting body arranged between the platform and the metal body. The adapting body has a thermal expansion coefficient, which rises in direction (z) extending from the platform to the metal body from a coefficient of expansion corresponding to a thermal coefficient of expansion of the ceramic of the platform to a coefficient of expansion corresponding to the thermal coefficient of expansion of the metal body, and the adapting body is connected by a first joint with the platform and by a second joint with the metal body.

The present disclosure relates to a brazed superabrasive assemblies and method of producing brazed superabrasive assemblies. The brazed superabrasive assemblies may include a plurality of braze alloy layers that are positioned opposite a stress relieving layer. The stress relieving layer may have a solidus temperature that is greater than a solidus temperature of the plurality of braze alloy layers.

A method of forming an article includes partially sintering a first feed material to form a first preform. The first preform exhibits a density percentage of from about 50% to about 90% of a theoretical maximum sintering density of the first preform. The method further includes partially sintering a second feed material to form a second preform. The second preform exhibits a density of from about 50% to about 90% of a theoretical maximum sintering density of the second preform. The first preform is positioned adjacent to the second preform, and the first preform is bonded to the second preform via a final sintering process to form a bonded article. Additional methods and articles are disclosed.

A metal-ceramic substrate having double brazing layers and a method for manufacturing the same are provided. The metal-ceramic substrate includes a ceramic substrate layer, a conductive metal layer, and an active metal layer disposed between the ceramic substrate layer and the conductive metal layer. The active metal layer includes a first brazing layer formed from a first active metal solder and an organic dispersion medium, and a second brazing layer formed from a second active metal solder and another organic dispersion medium. The first active metal solder includes silver, copper, and a first active metal. Based on a total weight of the first active metal solder being 100 wt %, an amount of the silver ranges from 10 wt % to 60 wt %. The second active metal solder includes copper and a second active metal, but is without silver.