B4C specifications:
Density: 2.40-2.65 g/cm3
Elastic modulus: 510 Gpa
Knoop Hardness: 3300
Flexural strength: 400-650 Mpa
Compressive strength: 4100 Mpa
Fracture toughness: 4.5-7.0 Mpa.m1/2
Coefficient of thermal expansion: 4.5x106
Thermal Conductivity: 29 m0k
Maximum permissible service temperature in air: 1500℃