Comparison of several sintering methods of silicon carbide

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Silicon carbide is a good corrosion-resistant material, and we can use it to make ceramics and other products. When using silicon carbide to make ceramics, there are many sintering methods, and the appropriate sintering method can be selected according to the specific processing environment to improve the sintering efficiency. Let the engineers of Shanghai Gehang Vacuum Technology Co., Ltd. give you a detailed introduction.

Silicon carbide hot pressing sintering and high-temperature isostatic pressing sintering can produce high-density silicon carbide ceramics, and the sintering temperature is between 1500 and 2100 ℃. Therefore, silicon carbide lining manufacturers find that silicon carbide is difficult to manufacture products with complex shapes and high costs. The SIMUWU brand vacuum hot pressing sintering furnace of Shanghai Gehang Vacuum Technology Co., Ltd. is suitable for various silicon carbide sintering, boron carbide sintering, and boron nitride sintering And other ceramic materials sintering function. It has the characteristics of convenient operation and superior performance. For detailed information about hot pressing sintering vacuum, please refer to the following link:

https://www.vacfurnace.com/project/vacuum-hot-pressing-furnace/

Silicon carbide reaction sintering is a green body composed of α-SiC and graphite powder in a certain proportion, which is heated to react with liquid Si or gas phase Si to generate β-SiC. This method has low sintering temperature (1400~1600℃) and can produce complex products, but 8%~20% of free silicon remains in the billet. Therefore, the silicon carbide lining manufacturer believes that this limits The high temperature mechanical properties of silicon carbide and its application in strong acids and alkalis.

Silicon carbide ceramic not only has high room temperature strength, corrosion resistance, wear resistance and low friction coefficient, but also has high high temperature strength and creep resistance. The use temperature can reach 1600℃, which is the high temperature oxidation resistance of currently known ceramic materials. Good strength material.

Silicon carbide ceramics have higher brittleness and lower fracture toughness. The use of fibers, whiskers and particles can improve the toughness and strength of SiC ceramics.

Silicon carbide pressureless sintering has the characteristics of high temperature and high density. The SIMUWU brand pressureless vacuum sintering furnace has served dozens of various silicon carbide manufacturers, and has been sold to India, the United States, Russia, Vietnam and other countries.

Shanghai Gehang Vacuum Technology Co., Ltd. has good product quality and excellent after-sales service team, and can serve customers in English-speaking countries very well. Learn more about the pressureless sintering vacuum furnace of silicon carbide as follows:

https://www.vacfurnace.com/vacuum-furnace-news/silicon-carbide-pressureless-sintering-furnace/

Tags: vacuum sintering furnace, SIC sintering furnace, Silicon carbide ceramics