Silicon carbide is an inorganic non-metallic materials with high hardness, high wear resistance, low coefficient of friction, oxidation resistance, good thermal stability, low thermal expansion coefficient, thermal conductivity and thermal shock and greatresistance to chemical corrosion, etc. excellentcharacteristics, can be used for a variety of requirements for abrasion, corrosion and high temperature mechanical equipment. Engineering and technical staff after years ofunremitting efforts, has greatly improved the performance of silicon carbide. Now, siliconcarbide has become an important engineering materials. Widely used in the field of machinery, metallurgy, petrochemical, shipbuilding, military equipment, etc., such as mechanical seal friction, plain bearings, nozzles, cutting tools, etc.
Terms name | Reaction bonded SiC | Sintered SiC |
purity(%) | >90 | >95 |
hardness(HRA) | ≥88 | ≥90 |
grain size (um) | 8-20 | <5 |
Density(g/cm ) | >3.02 | >3.1 |
bending Strength(MPa) 20°C | >250 | >400 |
Compressive Strength(MPa) | >2500 | >2200 |
Fracture Toughness(MPa) | 4.3 | 4.6 |
Modulus of Elasticity (GPa) | 330 | 410 |
Thermal Conductivity(Wm/k) | 35-110 | 110 |
Coefficient of Thermal Expansion ( 10 °C) | 4.3 | 4.1 |
b. Features of silicon carbide industrial ceramics for sale in china
- Heat shock stablity
- Chemical corrosion-resistant( resistant to strong acid/strong alkali /salt / gas / deleterious )
- High temper-endure(up to 1650°)
- Wearing/corrosion/oxidation resistant
- Highly performance of mechanical strength
- Cleaning or etching the hardest sub-surfaces
- long life high hardness resistant to wear; especially resistant to hydrofluoric acid
- Used for grinding, lapping, and wire saw cutting as well as abrasive blasting
c. Applications of silicon carbide industrial ceramics :
With silicon carbide ceramics the material properties remain constant up to temperatures above 1,400°C. The high Young’s modulus > 400 GPa ensures excellent dimensional stability. These material properties make silicon carbide predestined for use as a construction material. Silicon carbide masters corrosion, abrasion and erosion as skillfully as it stands up to frictional wear. Components are used in chemical plants, mills, expanders and extruders or as nozzles, for example.
“The variants SSiC (sintered silicon carbide) and SiSiC (silicon infiltrated silicon carbide) have established themselves. The latter is particularly suitable for the production of complex large-volume components.”
Silicon carbide is toxicologically safe and can be used in the food industry. Another typical application for silicon carbide components is dynamic sealing technology using friction bearings and mechanical seals, for instance in pumps and drive systems. Comparedto metals, silicon carbide enables highly economical solutions with longer tool life whenused with aggressive, hightemperature media. Silicon carbide ceramics are also ideal for use in demanding conditions in ballistics, chemical production, energy technology, paper manufacturing and as pipe system components.
Our services includes:
1. OEM Service Offered/Design Service Offered/Buyer Label Offered.
2. We are direct professional manufacturer, we have design team ,sales team, technician team and we have ourself factory in China
3. Ensure fast delivery for standard size . Customized size needs 20days .
4. English communication with our salesman is okay !
5. Best After-sale service ! English edited Operation Manual ! 24 hour service ! Components arrive your factory within 3~7 days !
PS: Silicon Carbide Ceramic includes silicon carbide plate, silicon carbide fish plate, silicon carbide tube/pipe, silicon carbide roller, silicon carbide beam, silicon carbide crucibles and so on other special types. We can customizabled as for your requirement.
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