About Silicon Carbide
Silicon Carbide has properties remarkably similar to those of diamond – it is one of the lightest, hardest, and strongest technical ceramic materials and has exceptional thermal conductivity, resistance to acids, and low thermal expansion.
Silicon Carbide is an excellent material to use when physical wear is an important consideration because it exhibits good erosion and abrasive resistance, making it useful in a variety of applications such as spray nozzles, shot blast nozzles and cyclone components.
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Silicon Carbide Parts
Silicon Carbide Properties
- Extremely high hardness
- Wear resistant
- Corrosion resistant
- Lightweight – Low Density
- High thermal conductivity
- High Young’s modulus
- Low thermal expansion coefficient
- Chemically and thermally resistant
- Outstanding thermal shock resistance
- Refractive index greater than a diamond
Silicon Carbide Applications
- Valve seats
- Sliding bearings
- Mechanical seals
- Plungers
- Seal rings (water ring pumps)
- Wear parts (thread guides)
- Kiln furniture crucibles
- Burners
- Blast nozzles
- Heat exchangers
Silicon Carbide Machining & Grinding
Silicon Carbide can be machined in green, biscuit, or fully dense states. While in the green or biscuit form it can be machined relatively easily into complex geometries. However, the sintering process that is required to fully densify the material causes the Silicon Carbide body to shrink approximately 20%. This shrinkage means that it is impossible to hold very tight tolerances when machining Silicon Carbide pre-sintering. In order to achieve very tight tolerances, fully sintered material must be machined/ground with diamond tools. In this process a very precise diamond coated tool/wheel is used to abrade away the material until the desired form is created. Due to the inherit toughness and hardness of the material, this can be a time consuming and costly process.
Buy Custom Silicon Carbide Components
JSK Industrial Supply is your Alumina machining specialist for your technical ceramic prototyping & manufacturing needs; we are always happy to use our many years of advanced ceramics experience to provide advice on materials, design, and application. If you would like to buy Alumina plates, rods, tubes or custom machined components, please contact us and one of our experts will be happy to assist you.