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No. 22, Lane 60, Fencheng Rd., Fenshan Dist., Kaohsiung City, 830, Taiwan
Tel: 886-7-7311634
Fax: 886-7-7315173
Sintered Silicon Carbide
Model: S-SiC
Category: Machinery Parts and Components / Machinery Parts and Components / Bearings
Characteristics
Nowadays, customers are used to apply silicon carbide as the non-oxidation ceramic material; the silicon carbide owns better hardness, heat-resisting, anti-oxidation, anti-corrosion and high thermo conductivity than ordinary ceramic materials. Recently, the silicon carbide material is widely applied in mechanical structures and chemical seal parts; it is applied in extreme harsh working environments such as under strong acid, alkali, heavy wear, high temperature or aviation & space traveling conditions.
Sintered silicon carbide (S-SiC):
The sintered silicon carbide (S-SiC) products are our major products supplying to market.
The sintered silicon carbide (S-SiC) material has a mechanical performance similar to the HP-silicon carbide (HP-SiC) material; yet, its workmanship is superior to HP-SiC and cheaper in production cost, suitable to mass production or products with complicate shapes. The S-SiC completely meets the requirements of producing mechanical seals and parts of spindle-seal-free pumps (shielded pumps) or magnetic pumps; sintered silicon carbide (S-SiC) now is the silicon carbide ceramic material so popular in overseas industries.
The sintered silicon carbide organization is formed by G\-SiC crystals; the volumetric density can reach over 98% (3.1g/cm3) of its theoretic one. Its density is 1/5 of tungsten carbide, and hardness is only second to diamond, performing extremely excellent efficiency in anti-grain-wear practice. So far, the combination of sintered silicon carbide (S-SiC) and graphite is the seal pair with the highest PV value in application. The high-purity sintered silicon carbide (>98% silicon carbide) can withstand chemical corrosion of various kinds under high temperature condition. The sintered silicon carbide bears extremely high specific strength; and its anti-oxidation capability and mechanical properties under high-temperature status are excellent as well.
Specifications
Property (S-SIC)
Density : >3.1@g/cm3
Flexural Trength : >400@Mpa
Vickers hardness : >2400@Hv 0.5
Porosity : <0.1@%
Elastic Modulus : >400@Gpa
Expansion Coeficiency : 4 (40-400oC)@x10-6/oC
Thermal conductivity : 0.22@cal/(cm*sec*oC)
Purity(SIC) : >97@%
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