Abstract: Disclosed is a multi-channel array radiation detector that can provide high-definition and high-resolution CT photo-images. The radiation detector has semiconductor photo-detecting elements arranged lengthwise and breadth-wise in a lattice manner and scintillator elements arranged on them one-to-one. The scintillator elements have thin metal light-reflecting material layers formed on side surfaces of the scintillator elements, and a radiation shielding material layer composed of resin blended with heavy metal element particles is filled in between adjacent metal light-reflecting material layers.

Abstract: A sealing material having excellent resistance to attack by molten metals, such as molten zinc, comprising aluminum phosphate/silicon dioxide-based material. The invention also relates to a method for coating articles with such sealing material.

Abstract: A process of providing a thermal spray powder feed coating composition composed of stabilized zirconia mixed with zircon and a selected oxide, such as yttria, to form a refractory oxide coating ideally suited for hearth rolls for annealing steel.

Abstract: An alloy of 3 to 9 weight percent boron with the balance molybdenum for use as a thermal spray coating for articles intended to be exposed to molten zinc.

Abstract: A thermal spray powder feed coating composition composed of stabilized zirconia mixed with zircon and a selected oxide, such as yttria, to form a refractory oxide coating ideally suited for hearth rolls for annealing steel. Process for producing the coating and the coated article so produced is also disclosed.

Abstract: An alloy of 3 to 9 weight percent boron with the balance molybdenum for use as a thermal spray coating for articles intended to be exposed to molten zinc.

Abstract: A floating magnetic head including a non-magnetic substrate having a two-phase structure which substrate is used as a slider so as to enable a coefficient of thermal expansion to be controlled over a wide range. In air bearing surface is made to be properly rough to improve CSS characteristics of a floating magnetic head. A non-magnetic substrate material contains MnO, NiO, as main components, and Al.sub.2 O.sub.3, as a sub composition, or a part of the sub component is replaced by at least one substance selected from a group consisting of CaO, Y.sub.2 O .sub.3, ZrO .sub.3, ZnO, SrO. The non-magnetic substrate material has a two-phase structure including a rock salt type structure of (MnO, NiO) and a spinel structure of (MnO, NiO) Al.sub.2 O.sub.3 or (MnO, NiO) Al.sub.2 O.sub.3 containing at least one substance selected from a group consisting of CaO, Y.sub.2 O.sub.3, ZrO.sub.3, ZnO, SrO. An average grain size of the substrate is from 5 to 15 .mu.m.

Abstract: A thermal spray powder feed coating composition composed of stabilized zirconia mixed with zircon and a selected oxide, such as yttria, to form a refractory oxide coating ideally suited for hearth rolls for annealing steel Process for producing the coating and the coated article so produced is also disclosed.

Abstract: A water-cooled roll for cooling steel sheets is spray-coated on the surface that comes in contact with the steel sheets with a cermet composed of a metal oxide having a higher hardness and lower thermal conductivity than metals and a metal matrix of Ni- or Co-base heat-resisting alloy. The metal oxide is chosen from among Al.sub.2 O.sub.3, Cr.sub.2 O.sub.3, SiO.sub.2, and ZrO.sub.2, and the metal matrix consists of an MCrAlY (M=Co or Ni). Preferably, the metal oxide is alumina and the metal matrix, CoCrAlYTa.

Abstract: An electrolytic electrode which exhibits high durability when used in electrolysis in which the generation of oxygen is involved and a process for the production of same. The electrolytic electrode comprises (a) an electrode substrate of an electrically-conductive metal; (b) an electrode coating of an electrode active substance; and (c) an intermediate layer provided between the electrode substrate and the electrode coating, said intermediate layer comprising a mixed oxide of (i) an oxide of Ti and/or Sn having a valence number of 4 and (ii) an oxide of Ta and/or Nb having a valence number of 5.

Abstract: An electrolytic electrode which exhibits high durability when used in electrolysis in which the generation of oxygen is involved and a process for the production of same. The electrolytic electrode comprises (a) an electrode substrate of an electrically-conductive metal; (b) an electrode coating of an electrode active substance; and (c) an intermediate layer provided between the electrode substrate and the electrode coating, said intermediate layer comprising a mixed oxide of (i) an oxide of Ti and/or Sn having a valence number of 4 and (ii) an oxide of Ta and/or Nb having a valence number of 5.

Abstract: An electrolytic electrode having high durability for use in electrolysis where the generation of oxygen occurs, and a process for the production of the electrolytic electrode, the electrolytic electrode comprising: (a) an electrode substrate of titanium or a titanium-based alloy; (b) an electrode coating of a metal oxide; and (c) an intermediate layer comprising an electrically conductive oxide of tantalum and/or niobium, provided between the electrode substrate (a) and the electrode coating (b), in a thickness calculated as the metal, of 0.001 to 2 g/m.sup.2.

Abstract: An electrolytic electrode having high durability for use in electrolysis where the generation of oxygen occurs, and a process for the production of the electrolytic electrode, the electrolytic electrode comprising: (a) an electrode substrate of titanium or a titanium-based alloy; (b) an electrode coating of a metal oxide; and (c) an intermediate layer comprising an electrically conductive oxide of tantalum and/or niobium, provided between the electrode substrate (a) and the electrode coating (b), in a thickness calculated as the metal, of 0.001 to 2 g/m.sup.2.

Abstract: A method for forming an anticorrosive coating on the surface of a metal substrate, which comprises, in one embodiment, (1) coating the surface of the metal substrate with an anticorrosive metal capable of forming an alloy with the substrate metal and/or a hydride of the anticorrosive metal; (2) heating the coated surface, and then; (3) heating the coated surface in a vacuum or in an atmosphere substantially inert to the metal coating and the metal substrate by irradiating the coated surface with electron beams, laser beams or a plasma arc to sinter the coated metal and form an alloy layer in the interface between the metal substrate and the metal coating and, in another embodiment, subsequent to Step (2) and prior Step (3) above, coating the coated surface with a solution of a thermally decomposable platinum-group metal compound and then heating the resulting coated surface at about 40.degree. C. to about 600.degree. C.

Abstract: A method for forming an anticorrosive coating on the surface of a metal substrate, which comprises, in one embodiment, (1) coating the surface of the metal substrate with an anticorrosive metal capable of forming an alloy with the substrate metal using a spraying procedure, and (2) then heating the coated surface in a vacuum or in an atmosphere substantially inert to the metal coating and metal substrate by irradiating electron beams or a plasma arc thereonto to form an alloy layer in the interface between the metal substrate and the metal coating and, in a second embodiment, subsequent to step (1) and prior to step (2) above coating a solution of a thermally decomposable platinum-group metal compound on the surface of the resulting coating, and heat-treating the coated product at about 50.degree. to about 300.degree. C.

Abstract: An alloy for use as a substrate of an electrode for use in electrolysis, the alloy comprising(1) titanium and(2) 0.05 to 10% by weight of (a) tantalum and (b) niobium, zirconium or mixtures thereof, where the tantalum is present in an amount of 0.01 to 9.99% by weight, with each % by weight being based on the weight of the alloy. The alloy can additionally contain(3) 0.001 to 1.5% by weight of at least one platinum-group metal selected from the group consisting of platinum, iridium, rhodium, ruthenium, palladium and osmium, with the % by weight being based on the weight of the alloy. The alloy of this invention is an excellent material to prepare a corrosion-resistant electrode substrate.