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silicon carbide pcb vs titanium pcb

Silicon Carbides - KemaTek Technical Ceramics

Silicon Carbide — SiC

Silicon Carbides offer exceptional hardness, corrosion resistance, wear resistance, superior strength, excellent thermal conductivity, and maintains good mechanical properties at high temperatures.

Primary Features

  • High hardness
  • Wear resistance
  • Excellent mechanical properties at high temperature
  • Corrosion resistance
  • High strength
  • Excellent thermal conductivity
  • Good thermal shock resistance
  • Best stiffness to weight ratio

Applications

  • Semiconductor manufacturing equipment components
  • High-temperature components
  • Sealing components
  • Wear-resistant components
  • Components requiring high-stiffness

Materials

  • KMT-SiC — black
  • KMT-SSiC — black

Material Properties for KemaTek™ Silicon Carbides

PropertiesUnitsTestSilicon Carbides — SiC
Material NameKMT-SSiCKMT-SiSiC
ColorBlackBlack
Primary Material Content——
CharacteristicsHigh temperature strength, high chemical resistance, good thermal conductivityGood chemical and abrasion resistance
ApplicationsSemiconductor equipment, sealing, and anti-heat componentsAbrasive and corrosion resistant components
Bulk Densityg/ccASTM-C203.153.02
Water Absorption%ASTM-C37300
Vickers Hardness (Load 500 g)GPaASTM-C1327-0328.020.0
Flexural StrengthMPaASTM-C1161-02c380250
Compressive StrengthMPaASTM-C7733900
Young’s Modulus of ElasticityGPaASTM-C1198-01410330
Poisson’s RatioASTM-C1198-010.14
Fracture ToughnessMPa * m 12ASTM-C1421-01b (Kevron notched beam)4
Coefficient of Linear Thermal Expansion, 40-400 ℃x 10-6/℃ASTM-C372-944.04.5
Thermal Conductivity, 20℃W/(m • K)ASTM-C408-8812045
Specific HeatJ/(Kg • K) x 10 3ASTM-E12690.65
Thermal Shock ResistanceNote 1——
Volume Resistivity, 20℃Ω • cmASTM-D257-9910 2 — 10 6
Dielectric StrengthKV/mmASTM-D149-97——
Dielectric Constant, 1 MHzASTM-D150-98 (1 MHz)——
Loss Tangent(x 10-4ASTM-D150-98 (1 MHz)——
Nitric Acid 60% 90℃WT Loss (mg/cm 2/day)——
Sulphuric Acid 95%, 95℃WT Loss (mg/cm 2/day)——
Caustic Soda 30%, 95℃WT Loss (mg/cm 2/day)——