CNC Machining Customized Alumina Ceramic AI2O3 Bar Holder Components Professional Manufacturer

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√High solidity

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FAQ



Q: What’s alumina ceramic

A:  Alumina ceramics is a ceramic material with alumina (Al2O3) as the main body, used in thick film integrated circuits.

Alumina ceramics are divided into high-purity type and common type:

1.High-purity alumina ceramics are ceramic materials with an Al2O3 content of more than 99.9%. Because their sintering temperature is as high as 1650-1990 ℃, and the transmission wavelength is 1 to 6 μm, they are generally made into molten glass to replace platinum crucibles; use its light transmission It can be used as a sodium lamp tube, and it can be used as an integrated circuit substrate and high-frequency insulating material in the electronics industry.

2.Ordinary alumina ceramics can be divided into 99 porcelain, 95 porcelain, 90 porcelain, 85 porcelain and other varieties according to different Al2O3 content. Sometimes those with Al2O3 content of 80% or 75% are also classified as ordinary alumina ceramic series. Among them, 99 alumina porcelain materials are used to make high temperature crucibles, refractory furnace tubes and special wear-resistant materials, such as ceramic bearings, ceramic seals and water valve discs; 95 alumina porcelain is mainly used as corrosion-resistant and wear-resistant parts; 85 porcelain Because it is often mixed with some talc, it improves the electrical performance and mechanical strength, and can be sealed with metals such as molybdenum, niobium, tantalum, etc., and some are used as electrical vacuum devices.


Q: Can you machine alumina ceramic

A: Yes, we can.

Alumina ceramics have good conductivity, mechanical strength and high temperature resistance. It is a kind of widely-used ceramics. Because of its superior properties, it has become more and more widely used in modern society, meeting the needs of daily use and special properties.


Q: What are the properties of alumina ceramic?

A:1. High hardness

Its Rockwell hardness is HRA80-90, which is second only to diamond and far exceeds the wear resistance of wear-resistant steel and stainless steel.

2. Excellent wear resistance

Its wear resistance is equivalent to 266 times that of manganese steel and 171.5 times that of high-chromium cast iron. According to our customer follow-up survey for more than ten years, under the same working environment, the service life of the equipment can be extended at least ten times.

3. Lightweight

Its density is 3.5g/cm3, which is only half that of steel, which can greatly reduce equipment load.



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