Magnesia - Forms, Applications and Production Processes

Material: Magnesia - Forms, Applications and Production Processes
Composition: MgO
Property Minimum Value (S.I.) Maximum Value (S.I.) Units (S.I.) Minimum Value (Imp.) Maximum Value (Imp.) Units (Imp.)
Atomic Volume (average) 0.0056 0.0058 m3/kmol 341.733 353.938 in3/kmol
Density 3.54 3.58 Mg/m3 220.995 223.492 lb/ft3
Energy Content 100 150 MJ/kg 10833.9 16250.8 kcal/lb
Bulk Modulus 226 277 GPa 32.7785 40.1754 106 psi
Compressive Strength 833.3 1666.6 MPa 120.86 241.72 ksi
Ductility 0.00038 0.00041 0.00038 0.00041 NULL
Elastic Limit 83.3 166.7 MPa 12.0816 24.1778 ksi
Endurance Limit 95.45 111.36 MPa 13.8438 16.1514 ksi
Fracture Toughness 2.7 2.8 MPa.m1/2 2.45713 2.54813 ksi.in1/2
Hardness 5000 7000 MPa 725.189 1015.26 ksi
Loss Coefficient 0.002 0.003 0.002 0.003 NULL
Modulus of Rupture 100 200 MPa 14.5038 29.0075 ksi
Poisson's Ratio 0.35 0.37 0.35 0.37 NULL
Shear Modulus 92 122 GPa 13.3435 17.6946 106 psi
Tensile Strength 83.3 166.7 MPa 12.0816 24.1778 ksi
Young's Modulus 270 330 GPa 39.1602 47.8624 106 psi
Glass Temperature K °F
Latent Heat of Fusion 1670 1880 kJ/kg 717.967 808.25 BTU/lb
Maximum Service Temperature 2250 2400 K 3590.33 3860.33 °F
Melting Point 3080 3135 K 5084.33 5183.33 °F
Minimum Service Temperature 0 0 K -459.67 -459.67 °F
Specific Heat 880 1030 J/kg.K 0.680995 0.797074 BTU/lb.F
Thermal Conductivity 30 60 W/m.K 56.161 112.322 BTU.ft/h.ft2.F
Thermal Expansion 9 12 10-6/K 16.2 21.6 10-6/°F
Breakdown Potential 6 10 MV/m 152.4 254 V/mil
Dielectric Constant 6.8 9.6 6.8 9.6 NULL
Resistivity 1e+020 1e+021 10-8 ohm.m 1e+020 1e+021 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 5
UV 5
Wear 5
Weak Acid 5
Weak Alkalis 5