A composite ceramic with improved mechanical performance and a preparation method therefor. The composite ceramic comprises fluorescent powder, a ceramic matrix, and an optional sintering aid. The weight ratio of the fluorescent powder to the ceramic matrix is from 3:17 to 9:1, and the relative density of the composite ceramic is greater than 95%. The preparation method comprises using core shell-structured coated fluorescent powder as a raw material, and ball-milling and sintering the raw material to obtain the composite ceramic.

[Problem to be solved] To provide an IGZO sputtering target occurring less arcing

[Means for solving the problem] An IGZO sputtering target comprising In, Ga, Zn, and O, wherein atom ratios for In, Ga, and Zn are: 0.30In/(In+Ga+Zn)0.36, 0.30Ga/(In+Ga+Zn)0.36 and 0.30Zn/(In+Ga+Zn)0.36, wherein a relative density is at least 96%, wherein average crystal grain size in surface of the sputtering target is 30.0 m or less, and wherein difference of the grain size in surface of the sputtering target is 20% or less (1.0Dmax/Dmin1.2).

Disclosed is a ceramic material having a formula of Li.sub.wA.sub.xM.sub.2Re.sub.3-yO.sub.z, wherein w is 5-7.5; wherein A is selected from B, Al, Ga, In, Zn, Cd, Y, Sc, Mg, Ca, Sr, Ba, and any combination thereof; wherein x is 0-2; wherein M is selected from Zr, Hf, Nb, Ta, Mo, W, Sn, Ge, Si, Sb, Se, Te, and any combination thereof; wherein Re is selected from lanthanide elements, actinide elements, and any combination thereof; wherein y is 0.01-0.75; wherein z is 10.875-13.125; and wherein the material has a garnet-type or garnet-like crystal structure. The ceramic garnet based material is ionically conducting and can be used as a solid state electrolyte for an electrochemical device such as a battery or supercapacitor.

An object of the present disclosure is to provide a zirconia mill blank for dental cutting and machining which may impart high translucency similar to an enamel of a natural tooth to zirconia sintered body even in a short time sintering, and a preparing method thereof. In addition, the present disclosure provides a zirconia mill blank for dental cutting and machining which may impart the same degree of translucency to a zirconia sintered body even in a short time sintering as compared with the case of sintering for 427 minutes. The zirconia mill blank for dental cutting and machining of the present disclosure contains a gallium compound.

The object of the present invention is to provide an antibacterial material capable of sustaining antibacterial properties for a long time. The object can be solved by a silver-containing calcium phosphate sintered body having silver particles therein, wherein an average particle diameter of the silver particles is 0.01 to 0.5 m.

Provided herein is a method of manufacturing a nanoscale coated network, which includes providing nanofibers, capable of forming a network in the presence of a liquid vehicle and providing a nanoscale solid substance in the presence of the liquid vehicle. The method may also include forming a network of the nanofibers and the nanoscale solid substance and redistributing at least a portion of the nanoscale solid substance within the network to produce a network of nanofibers coated with the nanoscale solid substance. Also provided herein is a nanoscale coated network with an active material coating that is redistributed to cover and electrochemically isolate the network from materials outside the network.

A method for treating a smectite clay, a smectite clay obtained by said method and the various uses of the treated smectite clay.

The present invention provides titanium nitride-reinforced zirconia toughened alumina (ZTA) ceramic powder and a preparation method thereof, and belongs to the technical field of ceramic materials. The preparation method provided in the present invention includes the following steps: mixing an aluminum salt, a zirconium salt, a yttrium salt, and a titanium salt with water to obtain a mixed aqueous solution, where the aluminum salt, the zirconium salt, the yttrium salt, and the titanium salt are water-soluble inorganic salts; mixing the obtained mixed aqueous solution and an alkaline precipitant for precipitation, to obtain hydroxide precipitate powder; successively conducting first calcination and second calcination on the obtained hydroxide precipitate powder, to obtain oxide solid solution powder; and subjecting the obtained oxide solid solution powder to selective nitridation reaction, to obtain titanium nitride-reinforced ZTA ceramic powder.

The present application relates to a barium strontium titanate-based dielectric ceramic material, a preparation method, and application thereof. The composition of the barium strontium titanate-based dielectric ceramic material comprises: aBaTiO.sub.3+bSrTiO.sub.3+cTiO.sub.2+dBiO.sub.5+e MgO+fAl.sub.2O.sub.3+gCaO+hSiO.sub.2, wherein a, b, c, d, e, f, g, and h are the molar percentage of each component, 20a50 mol %, 15b30 mol %, 10c20 mol %, 0d10 mol %, 0e35 mol %, 0f6 mol %, 0g6 mol %, 0h1 mol %, and a+b+c+d+e+f+g+h=100 mol %.

A complex ceramic particle and ceramic composite material may be made of a pretreated coal dust and a polymer derived ceramic that is mixed together and pyrolyzed in a nonoxidizing atmosphere. Constituent portions of the particle mixture chemically react causing particles to increase in density and reduce in size during pyrolyzation, yielding a particle suitable for a plurality of uses including composite articles and proppants.