Who knows silicon carbide sealing ring production process？
Answers
The ability of Silicon Carbide to withstand very high temperatures without breaking or distorting is used in the manufacture of ceramic brake discs for sports cars. It is also used in bulletproof vests as an armor material and as a seal ring material for pump shaft sealing where it frequently runs at high speed in contact with a similar silicon carbide seal. One of the major advantages in these applications being the high thermal conductivity of Silicon Carbide which is able to dissipate the frictional heat generated at a rubbing interface.
The high surface hardness of the material lead to it being used in many engineering applications where a high degree of sliding, erosive and corrosive wear resistance is required. Typically this can be in components used in pumps or for example as valves in oilfield applications where conventional metal components would display excessive wear rates that would lead to rapid failures.
The unique electrical properties of the compound as a semiconductor make it ideal for manufacturing ultra fast and high voltage light emitting diodes, MOSFETs and thyristors for high power switching.
The material’s low thermal expansion coefficient, hardness, rigidity and thermal conductivity make it an ideal mirror material for astronomical telescopes. Silicon Carbide fibers, known as filaments are used to measure gas temperatures in an optical technique called thin filament pyrometry.
It is also used in heating elements where extremely high temperatures need to be accommodated. It is even used in nuclear power to provide structural supports in high temperature gas cooled reactors
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The production process is roughly as follows:
1. The silicon carbide sealing ring is prepared from raw materials, and various raw materials are mixed in various proportions to form a mixture of silicon carbide powder, and then uniformly stirred.
2. Dry pressing of silicon carbide sealing ring. Using an automatic press, a differential is added according to the produced mold, and finally press molding is performed.
3. The car made of silicon carbide sealing ring. According to the requirements of various drawings, the raw embryos are subjected to the necessary vehicle system.
4. Sintering of silicon carbide sealing ring. According to a certain temperature control and normal operation of the sintering furnace, the raw embryos are naturally converted into blanks.
5. Finishing of silicon carbide sealing ring. Make the necessary polishing and grinding according to the drawings, finish and tolerances.
From SiC seal ring, you can know WC seal ring production process. For WC , you can find in wococarbide.