Functional Ceramic Materials Beta Silicon Carbide (SiC) Powder
|
Stock#
|
Particle
size
|
Purity
|
|
D501
|
50nm
|
99%
|
|
D502
|
100-200nm
|
99%
|
|
D503
|
0.5um
|
99%
|
|
D505
|
1-2um
|
99%
|
|
D506
|
5um
|
99%
|
|
D507
|
7um
|
99%
|
|
D508
|
10um
|
99%
|
|
D509
|
15um
|
99%
|
|
Appearance
|
Light green
powder
|
|
Form
|
Beta
|
The performance of beta silicon carbide powder:
1. β-SiC powder has a high chemical stability,
2. high hardness,
3. high thermal conductivity,
4. low thermal expansion coefficient,
5. wide band gap,
6. high electron drift velocity,
7. high electron mobility,
8. specific resistance-temperature characteristic,
9. anti-wear,
10. high temperature,
11. thermal shock resistance,
12. corrosion resistance, radiation,
13. good semiconducting characteristics,
14. widely used in electronics, information, precision processingtechnology, military, aerospace, advanced refractories, special ceramicmaterials, advanced grinding materials and reinforced materials and otherfields.
Application for Beta Silicon Carbide Powder:
1. Sintered powder
β-Sicin advanced structural ceramics , functional ceramics and advanced refractorymarket has a very broad application prospects. β-Sic ceramics sintered compactperformance play a good role , thereby increasing the overall performance ofsilicon carbide ceramic toughness and strength. Add β-Sic boron carbide ceramicproduct can be improved in toughness of the product while lowering thesintering temperature, so that the performance of boron carbide increases.
2 .Electronic Materials
As a semiconducting material, has good wearresistance, high temperature performance. High purity β-Sic can be made ofmonocrystalline silicon carbide wafer, its excellent electrical conductivity,thermal conductivity, making it the edge in military, aerospace, electronicsindustry to replace high- grade silicon and polycrystalline silicon electronics.With β-Sic do electronic packaging materials, heaters, heat exchangers, etc.having a high thermal shock resistance , good thermal conductivity, performancesubstantially superior to other materials.
3. Special coating
Since β-Sic has a diamond structure, theparticles were spherical, with ultra wear resistant, superconducting heat, lowthermal expansion coefficient, etc., so that it has a good application of thespecial coating. The β-Sic ultrafine powder coating material to the ordinary,the wear life will be greatly improved.
4 .Polishing material
As a precision grinding and polishing material,β-Sic much higher than white corundum and α-Sic grinding efficiency, but alsocan significantly improve product quality finish. Β-Sic done abrasive paste, slurry,and ultra- high-precision emery cloth belt wear-resistant coating also has agood prospect.
5. High-grade special additives
Polymer composite materials and metal materialsadded β-Sic can greatly improve its thermal conductivity, lower expansion coefficient,increased wears resistance, etc., but due to the small proportion of β-Sic, theweight of the material structure is not affected. High-strength nylon material,special engineering plastics polyether ether ketone (PEEK), rubber tires,lubricants and other compression after adding ultrafine β-Sic powder, itsperformance is very obvious.
6.C powder additive
Copier C powder after adding β-Sic, mobility andadhesion will be significantly improved, adding the amount is generally about5% to achieve good results
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