1. Density g/cc (lbs/cu.in) 3.04-3.10 (0.11) 2. Hardness (Knoop 1000g ,GPa) 20 -22.5 3. Compressive Strength, MPa (kpsi) 2000 (300) 4. Flexural Strength, MPa (psi x 103) 250 (47) 5. Impact Strength J/m2 50 10 6. Elastic Modulus, GPa (psi x 106) 390 (57) 7. Fracture Toughness K1c (MPa m1/2, not less than) 4 9. Sonic Velocity, m/sec (ft/sec) 11,000 (36,000) 10. Maximum working temperature oC (oF) 1380 (2550) 11. Wear Resistance (Impingement test) 0.14 (Rubbing test) 0.20 12. Thermal Conductivity W/m*K (20 oC) 120 13. Thermal Shock Resistance, T, oC 400 14. Coefficient of Thermal Expansion 10-6/ oC 4.3 15. Specific Heat J/kg*K 700 Fabrication Method: Silicon infiltration in porous (Silicon Carbide - Carbon) ceramic body. Net shape process. Final Ceramic Structure Silicon Carbide………..…....84 - 89 % Wt. Free Silicon …………….......10 - 15 % Wt. Remaining porosity ……….below 0.75% Vol. Impurities: not more than…1.0 % Wt. These products use the best industrial grades of raw materials SiC………. 98.5 % purity Si …………99.5 % purity Designed & Developed by: Fiesta Studios © 2003 - 2005 MC2 Modern Ceramics Company Pty Ltd. All Rights Reserved | Privacy | Terms of Use