Ceramic Material Properties Table

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Properties Units Oxides Non-Oxides Machinable Materials
Alumina ZTA ATZ Zirconia Aluminium Nitride Silicon Carbide Boron Carbide Silicon Nitride Shapal Hi M Soft Macor Boron Nitride
96% 99.7% 99.95% ZTA Ultra Hard ATZ Ultra Tough 3YZ PCAN1000 PCAN2000 PCAN3000 PCAN4000 PCAN1000S Silicon Carbide Boron Carbide PCSN1000 PCSN2000 PCSN3000 PCSN4000 Shapal Hi M Soft Macor PCBN1000 PCBN2000 PCBN3000 PCBN4000 PCBN5000 Grade A Grade AX05 Grade HP Grade M26 Grade ZSBN
Compressive Strength MPa 2000 2000 3500 2500 3000 2500 2000 2000 3000 3000 3000 3000 – 2500 3000 3000 3000 3000 3000 980 345 40 ∥ /40 ⊥ 312 ∥ / 312 ⊥ 24 ∥ / N/A 95 ∥ / N/A N/A 143 ∥ / 186 ⊥ 25 ∥ 96 ∥ N/A 219 ∥ / 254 ⊥
Density g/cm3 3.75 3.95 3.98 4.1 4.18 5.5 5.7 6.05 3.32 3.32 3.32 3.3 3.3 3.1 2.52 3.2–3.4 3.2–3.4 3.2–3.3 3.23 2.88 2.52 1.9 2.1 1.9 1.85-2.05 2.0 2.0 1.9 2.0 2.1 2.9
Flexural Strength @ 25°C MPa 200-300 250-350 500-600 600 850 1800 1000 1200 350 350 350 350 350 410 420 730 970 760–830 850 300 94 13 ∥ / 29 ⊥ >49 ∥ / >49 ⊥ 21 ∥ / 20 ⊥ 58 ∥ / 44 ⊥ 61 ∥ / 33 ⊥ 94 ∥ / 65 ⊥ 22 ∥ / 21 ⊥ 59 ∥ / 45 ⊥ 62 ∥ / 34 ⊥ 144 ∥ / 107 ⊥
Fracture Toughness KIC MPa m1/2 4.5 4 4.5 7 5 8 17 8 3 3 3 2.5 3 4.6 2.5 7.0 6.2 6.2–6.5 8.5 2 1.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Hardness GPa 12 14 18 16 21.5 14 13 13.5 10 10 10 12 11 28 33 15 15 15.3-15-6 16 3.8 2.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Young’s Modulus GPa 300 370 400 335 350 340 200 200 300-350 300-350 300-350 300-350 350 350-400 350-450 300 300 300–310 340 176 66.9 N/A N/A 45 ∥ / 73 ⊥ 39 ∥ / 58 ⊥ N/A 47 ∥ / 74 ⊥ 17 ∥ / 71 ⊥ 40 ∥ / 60 ⊥ N/A 71 ∥ / 71 ⊥
Thermal Conductivity @ 25°C W/mK 25 33 45 20 20 6 3 2 170 200 230 200 170 102.6 20-40 25 24 25 28 92 1.5 21 ∥ / 21 ⊥ N/A 73 ∥ / 128 ⊥ 27 ∥ / 29 ⊥ 11 ∥ / 26 ⊥ 30 ∥ / 34 ⊥ 78 ∥ / 130 ⊥ 27 ∥ / 29 ⊥ 11 ∥ / 29 ⊥ 24 ∥ / 34 ⊥
CTE @ 25°C – 400°C 10-6/K 6.3 6.5 7.5 7 7.5 8 10 10 4.5 4.5 4.5 3.5 4.6 4.02 90 2.5 2.5 2.5 2.5 4.8 9 N/A N/A -2.3 ∥ / -0.7 ⊥ 0.6 ∥ / 0.4 ⊥ 3 ∥ / 0.4 ⊥ 3 ∥ / 3 ⊥ -2.3 ∥ / -0.7 ⊥ 0.6 ∥ / 0.4 ⊥ 3 ∥ / 0.4 ⊥ 4.1 ∥ / 3.4 ⊥
Max Temperature (Air) °C 1600 1700 1750 1500 1500 1200 800 800 1200 1200 1200 1200 1200 1200 N/A 1200 1200 1200 1200 1000 800 850 850 850 850 1000 850 850 850 1000+ 850
Max Temperature (Inert) °C 1600 1700 1750 1500 1500 1200 1500 1000 1200 1200 1200 1200 1200 1900 1800 1400 1400 1400 1400 1900 1000 2000 1000 2000 1200 1000 1200 2000 1150 1000+ 1600
Dielectric Constant @ 1MHz – 9.8 9.9 9.9 10 10 25 29 29 8.8 8.8 8.5 8.5 8.8 N/A 5-8 8 8 8 7 6.8 6 N/A N/A 4.0 ∥ / 4.0 ⊥ 4.3 ∥ / 4.0 ⊥ 4.5 ∥ / 3.8 ⊥ 4.6 ∥ / 4.2 ⊥ 4.0 ∥ / 4.0 ⊥ 4.3 ∥ / 4.0 ⊥ 4.5 ∥ / 3.8 ⊥ 18 ∥ / 19 ⊥
Dielectric Strength (DC) kV/mm 9 11 16 16 16 16 18 18 15 15 15 15 14 N/A N/A 19 19 19 19 65 62 >40 N/A >40 >40 >40 88 79 10 66 3.5
Volume Resistivity @ 25°C ohm-cm >1014 >1014 >1016 >1016 >1016 >1016 >1012 >1012 >1013 >1013 >1013 >1014 >1014 102–1011 N/A >1014 >1014 >1014 >1012 >1015 >1016 >1014 ∥ / >1014 ⊥ N/A >1013 ∥ / >1014 ⊥ >1013 ∥ / >1013 ⊥ >1013 ∥ / >1014 ⊥ >1013 ∥ / >1014 ⊥ >1013 ∥ / >1014 ⊥ >1013 ∥ / >1013 ⊥ >1013 ∥ / >1014 ⊥ >1013 ∥ / >1012 ⊥

Disclaimer: The values presented are mean and typical of those resulted from test samples. They are provided as an indication only to serve as guidance in the design of ceramic components and are not guaranteed in any way. The actual values can vary according to the shape and size of the envisioned component.