Boron Carbide (B4C) - Properties and Information about Boron Carbide

Material: Boron Carbide (B4C) - Properties and Information about Boron Carbide
Composition: B4C
Property Minimum Value (S.I.) Maximum Value (S.I.) Units (S.I.) Minimum Value (Imp.) Maximum Value (Imp.) Units (Imp.)
Atomic Volume (average) 0.0043 0.0045 m3/kmol 262.402 274.607 in3/kmol
Density 2.3 2.55 Mg/m3 143.584 159.191 lb/ft3
Energy Content 200 300 MJ/kg 21667.7 32501.6 kcal/lb
Bulk Modulus 218 271 GPa 31.6182 39.3052 106 psi
Compressive Strength 2583 5687 MPa 374.632 824.83 ksi
Ductility 0.00058 0.00124 0.00058 0.00124 NULL
Elastic Limit 261 569 MPa 37.8549 82.5265 ksi
Endurance Limit 222 512 MPa 32.1984 74.2593 ksi
Fracture Toughness 2.5 5 MPa.m1/2 2.27512 4.55023 ksi.in1/2
Hardness 38100 44100 MPa 5525.94 6396.17 ksi
Loss Coefficient 1e-005 3e-005 1e-005 3e-005 NULL
Modulus of Rupture 310 680 MPa 44.9617 98.6257 ksi
Poisson's Ratio 0.18 0.21 0.18 0.21 NULL
Shear Modulus 180 195 GPa 26.1068 28.2823 106 psi
Tensile Strength 261 569 MPa 37.8549 82.5265 ksi
Young's Modulus 362 472 GPa 52.5036 68.4578 106 psi
Glass Temperature K °F
Latent Heat of Fusion 1350 2030 kJ/kg 580.393 872.738 BTU/lb
Maximum Service Temperature 1000 2000 K 1340.33 3140.33 °F
Melting Point 2645 2780 K 4301.33 4544.33 °F
Minimum Service Temperature 0 0 K -459.67 -459.67 °F
Specific Heat 840 1288 J/kg.K 0.650041 0.996729 BTU/lb.F
Thermal Conductivity 17 42 W/m.K 31.8246 78.6254 BTU.ft/h.ft2.F
Thermal Expansion 3.2 9.4 10-6/K 5.76 16.92 10-6/°F
Breakdown Potential 5 10 MV/m 127 254 V/mil
Dielectric Constant 4.8 8 4.8 8 NULL
Resistivity 100000 1e+008 10-8 ohm.m 100000 1e+008 10-8 ohm.m
Environmental Properties
  Resistance Factors
1=Poor 5=Excellent
Flammability 5
Fresh Water 5
Organic Solvents 5
Oxidation at 500C 5
Sea Water 5
Strong Acid 4
Strong Alkalis 4
UV 5
Wear 5
Weak Acid 5
Weak Alkalis 5

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