lightweight bulletproof plate for armored vehicle
lightweight bulletproof plate for armored vehicle
B4C specifications
Density 2.50-2.65 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°C
Item | Al2O3 | SiC | B4C |
Density | 3.5g/cm3 | 3.1g/cm3 | 2.4-2.65g/cm3 |
Hardness | HV1650 | HV2750 | HV3300 |
Flexural strength | 290 Mpa | 380 Mpa | 400-650 Mpa |
Compressive strength | 850 Mpa | 3970 Mpa | 4100 Mpa |
Fracture toughness | 4.8 Mpa.m1/2 | 4.0 Mpa.m1/2 | 4.5-7.0 Mpa.m1/2 |
Thermal Conductivity | 20 m0k | 120m0k | 29 m0k |
Coefficient of thermal expansion | 7.2x106 | 4x106 | 4.5x106 |
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