Alumina ceramic concept

28-08-2020

 Alumina ceramic concept

Alumina ceramic

The so-called alumina ceramic, it is a kind of to alumina (Al ₂ O ₃) as the main body of the ceramic material.Alumina ceramics with high mechanical strength, high insulation resistance, high hardness, wear resistance, corrosion resistance and high temperature resistance and a series of excellent properties, besides can be made into all kinds of alumina ceramic brick, lining, lining tube, lining brick and wear-resistant ball abrasion apparatus and insulation material, it can also be used for the production of integrated circuit, is thin film integrated circuit, of course, but the thick film integrated circuit.


Alumina ceramicscan also be divided into ordinary type and high purity type according to the purity.High purity alumina ceramic department Al ₂ O ₃ content in more than 99.9% of ceramic materials;Normal department of alumina ceramics by Al ₂ O ₃ content is divided into 99 porcelain, 95 porcelain, 90 porcelain, 85 porcelain, and other varieties, sometimes Al ₂ O ₃ content in 80% or 75% are classified as ordinary alumina ceramic series.


The wear resistance ofalumina ceramics is 266 times as much as that of manganese steel and 171.5 times as much as that of high-chromium cast iron.Its density is 3.5g/cm3, only half that of steel, which can greatly reduce the equipment load and extend the service life of the equipment at least ten times under the same working condition

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