Alumina Ceramic Roller Are Mainly Divided Into Several Types?

Time:2018/5/23 17:19:18 Click on:

Alumina Ceramic Roller is a ceramic material mainly composed of alumina and used for thick film integrated circuits. Alumina ceramics have good electrical conductivity, mechanical strength and high temperature resistance. It should be noted that ultrasonic cleaning is required. Alumina ceramics is a kind of widely used ceramic material. Because of its superior performance, it has been more and more widely used in modern society to meet the needs of daily and special performance.

Alumina Ceramic Roller are mainly divided into high-purity type and common type, and the type of high-purity alumina ceramic has a ceramic material with an alumina content exceeding 99.9%. Due to the sintering temperature of 1650 - 1990°C, the transmission wavelength of 1 ~ 6 μm is usually Molten glass replaces platinum crucibles; it is used as a sodium lamp and has good light transmission and alkali resistance. The electronics industry can be used as a matrix to combine high-frequency insulation materials, ordinary alumina ceramics division is divided into 99 porcelain, 95 porcelain, 90 porcelain, 85 porcelain according to alumina content, and sometimes and other varieties, 80% or 75% of alumina content is returned Class is ordinary alumina ceramic series.

Alumina Ceramic Roller are generally used to make high temperature crucibles, refractory tubes, and special wear-resistant materials such as ceramic bearings, ceramic seals, and water valve plates. Alumina ceramics are mainly used for corrosion-resisting and wear-resistant parts; because 85 years of China is often part of talc, improved electrical properties and mechanical strength, sealing with molybdenum, tantalum, niobium metal, some for electrical vacuum equipment, alumina ceramics Product drying, grouting pressure, extrusion molding, cold isostatic pressing, injection, stretched film, hot pressing and hot isostatic pressing, various methods. In recent years, pressure filtration molding, direct solidification injection molding, gel injection molding, centrifugal grouting, and solid freeform molding have all been developed. Different product shapes, sizes, complex shapes and sophisticated products require different modeling methods.

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