Alumina ceramics is a kind of ceramic material with alumina as the main body, which is used in thick film integrated circuit. Alumina ceramics have good conductivity, mechanical strength and high temperature resistance. Note that ultrasonic washing is required. Alumina ceramics is a kind of ceramics with wide application, because of its superior properties, it has been applied more and more widely in modern society, which meets the needs of daily use and special properties.
The traditional concept of ceramics refers to all artificial industrial products with inorganic nonmetallic minerals such as clay as raw materials. It includes various products made of clay or clay-containing mixtures by mixing, forming, and calcining. From rough earth to fine pottery and porcelain belong to its scope. For its main raw materials are silicate minerals (such as clay, feldspar, quartz, etc.) taken from nature, so it belongs to the category of "silicate industry" with glass, cement, enamel, refractory and other industries.
More than 95% of alumina ceramics have high temperature sintering microhardness 2200-2300, with abrasion resistance, high hardness, good chemical stability, can withstand high purity, large particle material impact wear for a long time, is an ideal material for lining. Wear-resistant ceramics is a special wear-resistant ceramics made by dry pressing and roasting at 1500℃ high temperature. Its Morse hardness is 9, and its hardness is inferior to that of diamond.
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