Abstract: The present invention discloses a high-strength prestressed composite ceramic and a preparation method thereof, and belongs to a ceramic reinforcing technology in the field of high-performance structural ceramics. Firstly, more than two kinds of bondable ceramics need to be determined to form a composite ceramic of a matrix material and a surface layer material, the matrix material should have sufficient strength and a higher expansion coefficient, and the surface layer material should have a lower expansion coefficient and a higher elastic modulus, realizing the balance of the surface layer compressive stress and the matrix tensile stress are formed after high-temperature co-sintering; and the surface layer compressive stress can greatly improve the bending strength of the composite ceramic.

Abstract: Provided is a base substrate including an orientation layer used for crystal growth of a nitride or oxide of a Group 13 element. A front surface of the orientation layer on a side used for crystal growth is composed of a material having a corundum-type crystal structure having an a-axis length and/or c-axis length larger than that of sapphire. The orientation layer contains a solid solution containing two or more selected from the group consisting of ?-Al2O3, ?-Cr2O3, ?-Fe2O3, ?-Ti2O3, ?-V2O3, and ?-Rh2O3.

Abstract: A thermal barrier coating (TBC) top coat which is a high entropy oxide (HEO) having a high configurational entropy, contains at least 5 different oxide-forming metallic cations, is a single phase or single crystalline structure, such as tetragonal or cubic over unexpectedly wide temperature ranges up to and beyond top coat operating temperatures of preferably at least 2300° F. The TBC top coats exhibit low thermal conductivity, good sintering resistance, excellent phase stability and good thermal cycling performance. At least five of the different oxide-forming metallic cations include: a) at least one of the transition metals: Sc, Y, Ti, Zr, V, Nb, Ta, Cr, Mo, W, Mn, Re, Fe, Ru, Co, Ni, Cu, or Zn, and/or at least one of the lanthanides La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Yb, or Lu. One of the at least five different oxide-forming metallic cations may also comprise at least one of the alkaline-earth metals: Be, Mg, Ca, Sr, or Ba.

Abstract: In some examples, an article includes a ceramic or a ceramic or ceramic matrix composite (CMC) substrate; and an abradable coating on the CMC substrate. The abradable coating includes a plurality of first rare earth (RE) silicate layers in an alternating arrangement with a plurality of second RE silicate layers, wherein the first RE silicate layers include a rare earth monosilicate and the second RE silicate layers include a rare earth disilicate, and wherein the first RE silicate layers include a greater concentration of the rare earth monosilicate than the second RE silicate layers.

Abstract: The present invention relates to a secondary battery which includes a sheathing made of a material having an increased thermal conductivity and can thus have an improved safety. As an example, disclosed is a secondary battery comprising: an electrode assembly; and a sheath material which receives the electrode assembly and comprises a metal layer and a non-metal layer formed on the surface of the metal layer, wherein the thickness of the metal layer occupies 50% to 70% of the total thickness of the sheath material.

Abstract: A member for use in a plasma processing device of the disclosure includes a base material and a film containing yttrium oxide as a main component on the base material. An area occupancy of closed pores of the film is 0.2 area % or less, and a full width at half maximum of a diffraction peak on a (222) plane of yttrium oxide obtained by X-ray diffraction of the film is 0.25° or less. A plasma processing device according to the disclosure includes the member for use in a plasma processing device.

Abstract: Provided is an alumina-based thermally conductive oxide which has not only an excellent thermal conductivity but also excellent chemical resistance, water-fastness, and electrical insulation property, while exhibiting a satisfactory kneadability (miscibility) into a resin and being capable of producing materials and articles, such as a resin composition, having an excellent shapability. Specifically, the present invention is an alumina-based thermally conductive oxide which is obtained by firing a starting material mixture that contains an aluminum starting material. The aluminum starting material is at least one selected from the group consisting of boehmite, aluminum hydroxide, and alumina; the starting material mixture further contains a boric acid compound and an oxide starting material such as a tungsten compound; and the content of the boric acid compound in the starting material mixture is 0.1 to 5 parts by mass, and the content of the oxide starting material in the starting material mixture is 0.

Abstract: A method of manufacturing ceramic tape includes a step of directing a tape of partially-sintered ceramic into a furnace. The tape is partially-sintered such that grains of the ceramic are fused to one another yet the tape still includes at least 10% porosity by volume, where the porosity refers to volume of the tape unoccupied by the ceramic. The method further includes steps of conveying the tape through the furnace and further sintering the tape as the tape is conveyed through the furnace. The porosity of the tape decreases during the further sintering step.

Abstract: Provided is a coated cutting tool, which includes a hard coating film containing a layer (b) formed of a nitride or a carbonitride, a layer (c) which is a layered coating film formed by alternately layering a nitride or carbonitride layer (c1) that contains 55 atom % or more and 75 atom % or less of Al, Cr having a second highest content percentage, and at least Si and a nitride or carbonitride layer (c2) that contains 55 atom % or more and 75 atom % or less of Al and Ti having a second highest content, and a layer (d) that is a nitride or carbonitride that contains, with respect to a total amount of metal elements (including metalloid elements), 55 atom % or more and 75 atom % or less of Al and Ti having a second highest content percentage, the content percentage of Ti being 20 atom % or more.

Abstract: A cutting tool comprises a substrate and a coating that coats the substrate, the coating including an ?-alumina layer provided on the substrate, the ?-alumina layer including crystal grains of ?-alumina, the ?-alumina layer including a lower portion and an upper portion, the upper portion being occupied in area at a ratio of 50% or more by crystal grains of ?-alumina having a (006) plane with a normal thereto having a direction within ±15° with respect to a direction of the normal to the second interface, the lower portion being occupied in area at a ratio of 50% or more by crystal grains of ?-alumina having a (006) plane with a normal thereto having a direction within ±15° with respect to the direction of the normal to the second interface, the ?-alumina layer having a thickness of 3 ?m or more and 20 ?m or less.

Abstract: Grain-oriented electrical steel sheet having an aluminum borate coating able to impart larger tension that the past and a method for manufacturing grain-oriented electrical steel sheet are formed. The grain-oriented electrical steel sheet according to the present invention has a steel sheet and an insulating coating formed on the steel sheet and containing aluminum and boron, where the oxides contain crystalline oxides and a maximum value of an emission intensity ratio of boron with respect to aluminum at an interface between the insulating coating and the steel sheet, analyzed by glow discharge optical emission spectrometry, is 2.5 times or more and 4.0 times or less of the emission intensity ratio of boron with respect to aluminum in the insulating coating.

Abstract: Provided is a low-cost cold rolled steel sheet for zirconium-based chemical conversion treatment that contains Si and Mn and has excellent zirconium-based chemical convertibility even when a relatively large amount of Si-based oxide and Si—Mn-based oxide exists on the steel sheet surface. A cold rolled steel sheet for zirconium-based chemical conversion treatment comprises a chemical composition containing, in mass %, C: 0.05% to 0.30%, Si: 0.01% to 1.4%, Mn: 0.14% to 3.2%, P: 0.10% or less, and S: 0.01% or less, with a balance consisting of Fe and inevitable impurities, wherein a Si/Mn mass ratio in steel is 0.10 to 0.7, and a surface coating ratio of steel sheet surface layer oxides having Si content of 10 mass % or more is 40% or less.

Abstract: A cutting tool including a substrate and a coated film arranged on the substrate, in which the coated film includes a first layer positioned on the substrate, a second layer positioned on the first layer, and a third layer positioned on the second layer, the first layer is composed of titanium carbonitride, the second layer is composed of aluminum oxide, the third layer is composed of titanium carbonitride, a residual stress X of the first layer, a residual stress Y of the second layer and a residual stress Z of the third layer satisfy a relationship of formula 1.

Abstract: A grain-oriented electrical steel sheet of the present invention has a base steel sheet, an amorphous oxide layer formed on the base steel sheet, and a tension-insulation coating formed on the amorphous oxide layer, in which the base steel sheet contains, as a chemical composition, by mass %, C: 0.085% or less, Si: 0.80 to 7.00%, Mn: 1.50% or less, acid-soluble Al: 0.065% or less, S: 0.013% or less, Cu: 0 to 0.80%, N: 0 to 0.012%, P: 0 to 0.50%, Ni: 0 to 1.00%, Sn: 0 to 0.30%, and Sb: 0 to 0.30%, a remainder is Fe and an impurity, a surface glossiness Gs20(A) in a direction parallel to a rolling direction is 2.0 to 70, and a surface glossiness Gs20(B) in a direction perpendicular to the rolling direction is 2.0 to 70.

Abstract: Disclosed herein is a rare-earth oxide coating on a surface of an article with one or more interruption layers to control crystal growth and methods of its formation. The coating may be deposited by atomic layer deposition and/or by chemical vapor deposition. The rare-earth oxides in the coatings disclosed herein may have an atomic crystalline phase that is different from the atomic crystalline phase or the amorphous phase of the one or more interruption layers.

Abstract: The present invention is related to a triple silver low-e coating and developed with electrically conductive and heatable characteristic in order to be used on the second or third surfaces of laminated automobile glasses.

Abstract: A gas turbine engine component includes a metal substrate and a coating system disposed on the metal substrate. The coating system includes at least one layer of aluminum-chromium oxide.

Abstract: The ceramic sintered body of the present disclosure has yttrium oxide as a main component and contains yttrium silicate, and a ratio (I1/I0) of a maximum peak intensity I1 of yttrium silicate having a diffraction angle 2? of 30° to 32° with respect to a maximum intensity Io of yttrium oxide having a diffraction angle 2? of 28° to 30°, which is obtained by an X-ray diffraction method, is 0.03 or more and 0.12 or less. The member for the plasma processing apparatus is made of the ceramic sintered body, its inside is a cylindrical body which serves as a flow path for a plasma generating gas, and an inner peripheral surface of the cylindrical body contains a larger amount of yttrium silicate than an outer peripheral surface thereof.

Abstract: A thin film laminate structure, an integrated device including the same, and a method of manufacturing the thin film laminate structure are provided. The thin film laminate structure includes two or more dielectric layers, wherein at least one of the dielectric layers of the thin film laminate structure includes a compound represented by Formula 1 and having a perovskite-type crystal structure having a B/B? composition ratio different from that of a remainder of the dielectric layers: AB1-xB?xO3??<Formula 1> wherein, in Formula 1, A, B, B?, and x are the same as defined in the specification.

Abstract: A cesium tungsten oxide film has high heat ray shielding performance and a radio wave transmissivity, and a method for manufacturing a cesium tungsten oxide film capable of manufacturing such film by a dry method. A cesium tungsten oxide film including cesium, tungsten and oxygen as main components, wherein, an atomic ratio of the cesium and the tungsten is Cs/W, which is 0.1 or more and 0.5 or less, and the cesium tungsten oxide film is having a hexagonal crystal structure. A method for manufacturing a cesium tungsten oxide film including cesium, tungsten and oxygen as main components, including: a film deposition process using a cesium tungsten oxide target; and a heat treatment process for heat-treating the film at a temperature of 400° C. or more and less than 1000° C., wherein either the film deposition process or the heat treatment process is performed in an atmosphere containing oxygen.