The present invention relates to a SiC composite and a method for manufacturing the same. More particularly, the present invention relates to a slurry composition for ceramic matrix composites which can not only reduce the number of precursor impregnation pyrolysis (PIP) cycles but also be useful in the PIP process to increase hardness, thermal stability, and relative density.

A ceramic raw material powder includes: ceramic particles having a perovskite structure containing barium, a mean particle diameter of the ceramic particles being 80 nm or greater and 150 nm or less; and chlorine, wherein a concentration of the chlorine to a B site element of the ceramic particles is 0.2 atm % or greater and 1.1 atm % or less.

A red zirconium-oxide sintered body includes oxide of cerium, auxiliary metal oxide and oxide of zirconium, wherein the auxiliary metal oxide includes any one or a combination of at least two of oxide of yttrium, oxide of magnesium, oxide of calcium and oxide of ytterbium; the red zirconium-oxide sintered body satisfies conditions that the oxide of cerium has a content of 0.2˜1.5 mol %; the oxide of cerium comprises trivalent cerium oxide; a sum of contents of the oxide of cerium and the auxiliary metal oxide is 1.1˜2.5 mol %; and the sintered body has fracture toughness ≥8 MPa•m.sup.1/2. The zirconium-oxide sintered body has red appearance and toughness more than 8 MPa•m.sup.1/2, and can be used for products such as mobile phone backboards, ornaments and dial plates.

A dielectric ceramic composition and a multilayer ceramic capacitor including the same are provided. The dielectric ceramic composition includes a BaTiO.sub.3-based base material main ingredient and an accessory ingredient, where the accessory ingredient includes dysprosium (Dy) and niobium (Nb) as first accessory ingredients. A total content of the Dy and Nb is greater than 0.2 mol and less than or equal to 1.5 mol based on 100 mol of titanium (Ti) of the base material main ingredient.

A ceramic electronic component includes a body including a dielectric layer and an internal electrode; and an external electrode disposed on the body and connected to the internal electrode. The dielectric layer includes a plurality of crystal grains and a grain boundary disposed between adjacent crystal grains. A ratio (C2/C1) of an Mg content (C2) of the grain boundary to an Mg content (C1) of at least one of the plurality of crystal grains is 3 or more.

Composite materials with thermoelectric properties and devices made from such materials are described. The thermoelectric composite material may comprise a metal oxide material and graphene or modified graphene. It has been found that the addition of graphene or modified graphene to thermoelectric metal oxide materials increases ZT. It has further been found that the ZT of the metal oxide becomes effective over a broader temperature range and at lower temperatures.

A method for producing conductive materials from Nb-doped TiO2-particles, in which Nb-doped TiO2-particles are pressed to form bodies and the bodies are treated in an oxygen-containing atmosphere and at a reducing atmosphere.

The present disclosure relates to graphene. In particular, the present disclosure relates to a method for continuously preparing thermally conductive graphene films. A graphite oxide containing 40-60 wt % of moisture is directly stripped at a high temperature; and then, procedures such as dispersion, defoaming, coating, stripping, trimming, and reduction are performed to prepare thermally conductive graphene films with high thermal conductivity coefficient and strong electromagnetic shielding effectiveness. In the method, because of directly stripping the graphite oxide containing 40-60 wt % of moisture at a high temperature, the procedure of drying the graphite oxide is omitted, achieving low energy consumption and low manufacturing costs. Compared with preparing slurry by directly dispersing the graphite oxide, the concentration of the slurry after high temperature stripping is higher, and can reach 3-20 wt %.

A dielectric ceramic composition and a multilayer ceramic capacitor comprising the same are provided. The dielectric ceramic composition includes a BaTiO.sub.3-based base material main ingredient and an accessory ingredient, where the accessory ingredient includes dysprosium (Dy) and cerium (Ce) as first accessory ingredients. A total content of Dy and Ce is greater than 0.25 mol % and equal to or less than 1.0 mol % based on 100 mol % of the base material main ingredient.

A golden ceramic includes: a ceramic matrix in a weight percentage of 80-99% and a colorant in a weight percentage of 1-20%, wherein the ceramic matrix includes zirconium oxide and yttrium oxide, and the colorant includes zirconium nitride.