C04B35/16

Barrier coatings

An example article includes a substrate and a barrier coating on the substrate extending from an inner interface facing the substrate to an outer surface opposite the inner interface. The barrier coating includes a bulk matrix and a plurality of discrete plugs inset within the bulk matrix and dispersed across the outer surface of the barrier coating. An example technique includes forming the barrier coating on the substrate of a component.

Barrier coatings

An example article includes a substrate and a barrier coating on the substrate extending from an inner interface facing the substrate to an outer surface opposite the inner interface. The barrier coating includes a bulk matrix and a plurality of discrete plugs inset within the bulk matrix and dispersed across the outer surface of the barrier coating. An example technique includes forming the barrier coating on the substrate of a component.

GLASS CERAMIC AND LAMINATED CERAMIC ELECTRONIC COMPONENT
20230117436 · 2023-04-20 ·

A glass ceramic that contains a glass containing Si, B, Al, and Zn and aggregates. The glass has a SiO.sub.2 content of 20% by weight to 55% by weight, a B.sub.2O.sub.3 content of 15% by weight to 30% by weight, Al.sub.2O.sub.3, and ZnO, wherein a weight ratio of the SiO.sub.2 to the B.sub.2O.sub.3 (SiO.sub.2/B.sub.2O.sub.3) is 1.21 or higher, and a weight ratio of the Al.sub.2O.sub.3 to the ZnO (Al.sub.2O.sub.3/ZnO) is 0.8 to 1.3. A TiO.sub.2 content, a ZrO.sub.2 content, a SnO.sub.2 content, and a Sr0 content in the glass each are 0% by weight to 5% by weight. The aggregates include 20% by weight to 50% by weight of SiO.sub.2, 1% by weight to 10% by weight of TiO.sub.2, 3% by weight or less of ZrO.sub.2, and 1% by weight or less of ZnO each relative to the weight of the glass ceramic.

Dental product with enhanced toughness

The present invention provides a dental product comprising a base material formed of a zirconia sintered body, and having high aesthetic quality with enhanced fracture toughness and with reduced chipping and cracking in the porcelain layer. The present invention also provides a method for manufacturing such a dental product. The present invention relates to a dental product comprising: a base material formed of a zirconia sintered body, and a porcelain layer, wherein the porcelain of the porcelain layer has a suitable firing temperature of 900° C. or more, and the porcelain layer has a fracture toughness value of 1.20 MPa.Math.m.sup.0.5 or more.

LITHIUM-DOPED SILICON OXIDE COMPOSITE ANODE MATERIAL WITH HIGH INITIAL COULOMBIC EFFICIENCY AND PREPARATION METHOD THEREOF
20230369575 · 2023-11-16 ·

A lithium-doped silicon oxide composite anode material with high initial Coulombic efficiency and a preparation method are provided, which relates to the field of anode materials for lithium batteries. The material includes nano-silicon, lithium silicate and a conductive carbon layer. A diffraction peak intensity of Li.sub.2Si.sub.2O.sub.5(111) with 2θ being 24.7±0.2° in an XRD pattern of the lithium-doped silicon oxide composite anode material is I1, a diffraction peak intensity of Li.sub.2SiO.sub.3(111) with 2θ being 26.8±0.3° in the XRD pattern is I2, and I1/I2<0.25. The material provided in the present invention has a specific phase composition ratio, thereby achieving the effect of high initial Coulombic efficiency and high specific capacity.

LITHIUM-DOPED SILICON OXIDE COMPOSITE ANODE MATERIAL WITH HIGH INITIAL COULOMBIC EFFICIENCY AND PREPARATION METHOD THEREOF
20230369575 · 2023-11-16 ·

A lithium-doped silicon oxide composite anode material with high initial Coulombic efficiency and a preparation method are provided, which relates to the field of anode materials for lithium batteries. The material includes nano-silicon, lithium silicate and a conductive carbon layer. A diffraction peak intensity of Li.sub.2Si.sub.2O.sub.5(111) with 2θ being 24.7±0.2° in an XRD pattern of the lithium-doped silicon oxide composite anode material is I1, a diffraction peak intensity of Li.sub.2SiO.sub.3(111) with 2θ being 26.8±0.3° in the XRD pattern is I2, and I1/I2<0.25. The material provided in the present invention has a specific phase composition ratio, thereby achieving the effect of high initial Coulombic efficiency and high specific capacity.

Scintillation material of rare earth orthosilicate doped with strong electron-affinitive element and its preparation method and application thereof

The invention relates to a scintillation material of rare earth orthosilicate doped with a strong electron-affinitive element and its preparation method and application thereof. The chemical formula of the scintillation material of rare earth orthosilicate doped with the strong electron-affinitive element is: RE.sub.2(1−x−y+δ/2)Ce.sub.2xM.sub.(2y−δ)Si.sub.(1−δ)M.sub.δO.sub.5. In the formula, RE is rare earth ions and M is strong electron-affinitive doping elements; the value of x is 0<x≤0.05, the value of y is 0<y≤0.015, and the value of δ is 0≤δ≤10−4; and M is selected from at least one of tungsten, lead, molybdenum, tellurium, antimony, bismuth, mercury, silver, nickel, indium, thallium, niobium, titanium, tantalum, tin, cadmium, technetium, zirconium, rhenium, and gallium Ga.

Scintillation material of rare earth orthosilicate doped with strong electron-affinitive element and its preparation method and application thereof

The invention relates to a scintillation material of rare earth orthosilicate doped with a strong electron-affinitive element and its preparation method and application thereof. The chemical formula of the scintillation material of rare earth orthosilicate doped with the strong electron-affinitive element is: RE.sub.2(1−x−y+δ/2)Ce.sub.2xM.sub.(2y−δ)Si.sub.(1−δ)M.sub.δO.sub.5. In the formula, RE is rare earth ions and M is strong electron-affinitive doping elements; the value of x is 0<x≤0.05, the value of y is 0<y≤0.015, and the value of δ is 0≤δ≤10−4; and M is selected from at least one of tungsten, lead, molybdenum, tellurium, antimony, bismuth, mercury, silver, nickel, indium, thallium, niobium, titanium, tantalum, tin, cadmium, technetium, zirconium, rhenium, and gallium Ga.

Manufacture of patient-specific orthodontic brackets with improved base and retentive features

In an embodiment, a method of manufacturing customized ceramic labial/lingual orthodontic brackets by additive manufacturing may comprise measuring dentition data of a profile of teeth of a patient, based on the dentition data, creating a three dimensional computer-assisted design (3D CAD) model of the patient's teeth, and saving the 3D CAD model, designing a virtual 3D CAD bracket structure model for a single labial or lingual bracket structure based upon said 3D CAD model, importing data related to the 3D CAD bracket structure model into an additive manufacturing machine, and directly producing the bracket with the additive manufacturing machine by layer manufacturing from an inorganic material including at least one of a ceramic, a polymer-derived ceramic, and a polymer-derived metal.

Yittrium granular powder for thermal spray and thermal spray coating produced using the same

The present disclosure relates to an yttrium-based granular powder for thermal spraying. More particularly, the yttrium-based granular powder is a mixture including one or more yttrium compound powders selected from among Y2O3, YOF, YF3, Y4Al2O9, Y3Al5O12, and YAlO3, and a silica (SiO.sub.2) powder. A Y—Si—O intermediate phase is included therein in a content of less than 10 wt %. The thermal spray coating manufactured using the same has a low porosity, and forms a very dense thin film, thus ensuring excellent plasma resistance.