1) ZKS-1: Reaction bonded (self-combine) SIC
2) ZKS-2: Self sintered pressure less SIC (SSIC)
3) ZKS-3AZKS-3B: SIC with 5 - 30% graphite content
4) ZKS-4: SIC with controlled porosity
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ZKS-1
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ZKS-2
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ZKS-3 AB
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ZKS-4
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SiC Purity(%)
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≥90
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≥ 98
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Graphite content
5~30 |
Control porosity
2~12 |
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Granuliform(um)
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8~20
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4~10
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≤10
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Density(g/cm3)
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≥3.05
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≥ 3.10
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2.65~2.90
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2.65
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Hardness
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HRA >90
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HV2800
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HRA >80
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HV 1800
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3 point bending strength (Mpa)
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350~450
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400~500
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250~300
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200~250
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Compressive strength(Mpa)
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> 2500
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>2500
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>1500
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1500
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fracture Toughness
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3.50~4.60
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Modulus of elasticity (GPa)
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>350
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380~410
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200
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250
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Thermal conductivity (Cal/cm.s.0c)
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0.3
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0.2
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Coefficient of thermal expansion(mm/mm0k)
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4.5
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4.2~5.2
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3.0
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3.5~4.0
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