The invention relates to the field of building ceramic materials, and specifically discloses a soft light super-wear-resistant diamond glaze, a ceramic tile and a preparation method thereof. The main raw materials of the super-wear-resistant diamond glaze in parts by weight are as follows: 30-70 parts of a frit, 20-55 parts of an aggregate, 0.1-6 parts of an additive, 30-50 parts of water; the frit contains Al.sub.2O.sub.3≤10%, Na.sub.2O+K.sub.2O≤3%. Correspondingly, the present invention also discloses a super-wear-resistant diamond glazed ceramic tile and a preparation method thereof. The diamond glaze disclosed in present invention has the characteristics of excellent transparency, good wear resistance and stain resistance and almost has no air bubbles.

The invention relates to the field of building ceramic materials, and specifically discloses a soft light super-wear-resistant diamond glaze, a ceramic tile and a preparation method thereof. The main raw materials of the super-wear-resistant diamond glaze in parts by weight are as follows: 30-70 parts of a frit, 20-55 parts of an aggregate, 0.1-6 parts of an additive, 30-50 parts of water; the frit contains Al.sub.2O.sub.3≤10%, Na.sub.2O+K.sub.2O≤3%. Correspondingly, the present invention also discloses a super-wear-resistant diamond glazed ceramic tile and a preparation method thereof. The diamond glaze disclosed in present invention has the characteristics of excellent transparency, good wear resistance and stain resistance and almost has no air bubbles.

The present invention is a sintering method of a ceramic for sintering characterized by forming a layer containing a carbon powder on a surface of an article consisting of a ceramic for sintering, and then irradiating with laser a surface of the carbon powder-containing layer of a lamination obtained.

The present invention is a sintering method of a ceramic for sintering characterized by forming a layer containing a carbon powder on a surface of an article consisting of a ceramic for sintering, and then irradiating with laser a surface of the carbon powder-containing layer of a lamination obtained.

A ceramic heat shield for a gas turbine. The ceramic heat shield has a ceramic body containing aluminium oxide and has a surface layer of the ceramic body which contains yttrium aluminium garnet as reaction coating material. A gas turbine includes such a ceramic heat shield and a method produces such a ceramic heat shield.

A ceramic heat shield for a gas turbine. The ceramic heat shield has a ceramic body containing aluminium oxide and has a surface layer of the ceramic body which contains yttrium aluminium garnet as reaction coating material. A gas turbine includes such a ceramic heat shield and a method produces such a ceramic heat shield.

The invention relates to a colouring composition, preferably an ink for ink jet printing, comprising: (A) 3.0-15.0% by weight of Ti in the form of a titanium compound obtained by a process comprising: (i) reacting at least one titanium alkoxide with water and, optionally, at least one alcohol, thereby obtaining a reaction mixture; (ii) adding glycolic acid in a Ti:acid molar ratio comprised between 1:0.8 and 1:2.0, thereby generating a mixture of water and alcohol comprising an intermediate titanium compound; (iii) optionally, but preferably, removing part of the mixture comprising water and alcohol; (iv) adding at least one compound of formula N(R2).sub.3 with a Ti:N(R2).sub.3 molar ratio comprised between 1:0.20 and 1:1.50; and (v) completely eliminating the alcohol; (B) 0.2-2.5% by weight of Cr and/or Ni in the form of at least one water-soluble organic compound of Cr and/or Ni; (C) up to 100% by weight of at least one solvent selected from the group consisting of water, organic solvents miscible with water and mixtures thereof, wherein the quantities (A), (B) and (C) refer to the overall weight of the colouring composition.

A method for manufacturing a ceramic substrate that includes preparing a plurality of ceramic green sheets, at least one of the plurality of ceramic green sheets having a disappearance material that disappears by firing in a recessed portion formation planned region of the at least one of the plurality of ceramic green sheets; forming a mother multilayer body by laminating the plurality of ceramic green sheets such that the at least the one ceramic green sheet having the disappearance material is positioned on an uppermost layer of the mother multilayer body; and forming a recessed portion in the mother multilayer body before firing by pressing the recessed portion formation planned region of the mother multilayer body.

A method for manufacturing a ceramic substrate that includes preparing a plurality of ceramic green sheets, at least one of the plurality of ceramic green sheets having a disappearance material that disappears by firing in a recessed portion formation planned region of the at least one of the plurality of ceramic green sheets; forming a mother multilayer body by laminating the plurality of ceramic green sheets such that the at least the one ceramic green sheet having the disappearance material is positioned on an uppermost layer of the mother multilayer body; and forming a recessed portion in the mother multilayer body before firing by pressing the recessed portion formation planned region of the mother multilayer body.

The present disclosure belongs to the field of biological materials, and particularly relates to a multilayer zirconia ceramic with uniform transition and a method for preparing the same. The specific technical solution of the present disclosure is as follows: a zirconia ceramic with a formula comprising, in percentage by mass, 0-3% of lanthana, 1.5-16% of yttria, 0-2.5% of silicon carbide nano-whiskers, and 0-1.5% of a coloring agent, the balance being zirconia. Correspondingly provided are a multi-layer zirconia ceramic with uniform transition prepared using the formula and a method for preparing the same. By using the method of the present disclosure, multilayer zirconia ceramics with good and uniformly transitioning core properties can be quickly and conveniently prepared, meeting the requirements of patients with dental disorders on the use and esthetics of dentures.