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Research Status and Industry Application of Silicon Carbide Materials
At present, broadband semiconductor materials represented by silicon carbide (SiC), gallium nitride (GaN), zinc oxide (ZnO), diamond, and aluminum nitride (AlN) dominate the market with greater advantages, collectively referred to as third-generation semiconductor materials. The third-generation semiconductor materials have a wider band gap, higher breakdown electric field, thermal conductivi...
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Boron Carbide Ceramic Nozzle and Its Application
1. Nozzle application Nozzles are widely used in daily life, industrial production, agricultural production and military equipment. It is a very key component in equipment such as spraying, spraying, oil spraying, sandblasting, spraying, etc., and plays an important role. The nozzle materials range from stainless steel, plastic to silicon carbide, alumina, zirconia, boron nitride, PP (engineering ...
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Production Technology of High-performance Magnesium Oxide Ceramics
The theoretical melting point of magnesium oxide ceramics is as high as 2800 degree C , and it can work stably to 2400 degree C under the protection of oxidizing atmosphere or nitrogen. Moreover, it has strong resistance to alkali metal slag, has excellent thermochemical properties and stability against metals, and is especially suitable for some harsh occasions where ceramic materials such as alu...
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Changes of Alumina Ceramic Structure Under High Temperature
1. Creep The structural parts of alumina ceramics will be subjected to external forces at high temperatures, and with time, plastic changes will continuously and slowly happen . This phenomenon can be called creep. When the structural parts of alumina ceramics creep, there is a great relationship between the stress and the temperature. In addition, when the stress increases or the temper...
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Thermal Management Materials for Electronic Components-thermally Conductive Ceramic Substrate
Thermally conductive ceramic substrate is a material with high thermal conductivity. It is mainly made of alumina (alumina purity up to 96% or more). It has a pure white appearance and a hard texture. It is mainly used for heat transfer between power devices and radiators and electrical isolation. After it is tightly combined with power devices (such as power MOS tubes, power transistors...
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Manufacturing Process of Alumina Ceramics
Alumina ceramics is a ceramic product composed of α-Al2O3 as the main crystal, and its Al2O3 content is generally above 75%. People usually classify them according to the content of Al2O3 in the ingredients. Among them: the content of Al2O3 is about 75% is "75 alumina". Because the sintering temperature of Al2O3 is lower, the cost of 75 alumina is lower than other alumina ceramics, but becaus...
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Various Points of Producing High-density Alumina Ceramics
Alumina ceramics has low raw material cost and excellent performance. It is one of the most widely used ceramics in modern engineering technology. It can be seen from everyday kitchen utensils that are friendly to the people to high-end aerospace technology. Although they are all alumina ceramics, different applications still have different requirements-for example, in electronic ceramics, 99...
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Characteristics of Magnesia Crucible
Magnesium oxide ceramics belong to the cubic crystal system, the melting point is about 2800 degree C, the theoretical density is 3.56~3.65g/cm^3, the Mohs hardness is 5-6, the specific volume resistance value is higher at high temperature, and it has good electrical insulation properties. Since magnesium oxide is volatile above 2300 degree C, its use of magnesium oxide ceramic products should be ...
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The Development Trend of Ceramic Substrate Materials
With the development of semiconductor devices in the direction of high power, high frequency, and integration. High-power semiconductor devices are widely used in industrial electronics such as smart power components, automotive electronics, aerospace and military electronic components, solar panel components, and lasers. Any semiconductor device has a certain loss during operation, and most of th...
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Talk about the Treatment Method of Alumina Ceramic Polishing Technology
Alumina ceramics are widely used ceramics. Because of its superior performance, it has been more and more widely used in modern society, meeting the needs of daily use and special performance. Alumina ceramics are currently divided into two types: high-purity type and ordinary type. After sintering and cooling, It is not the end of product processing. Some products still cannot meet applicati...
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