Molybdenum Disilicide (MoSi2)

Material: Molybdenum Disilicide (MoSi2)
Composition: MoSi2
Property Minimum Value (S.I.) Maximum Value (S.I.) Units (S.I.) Minimum Value (Imp.) Maximum Value (Imp.) Units (Imp.)
Atomic Volume (average) 0.007 0.01 m3/kmol 427.166 610.237 in3/kmol
Density 6.19 6.29 Mg/m3 386.429 392.672 lb/ft3
Energy Content 100 150 MJ/kg 10833.9 16250.8 kcal/lb
Bulk Modulus 215 225 GPa 31.1831 32.6335 106 psi
Compressive Strength 2066.6 3274.9 MPa 299.735 474.984 ksi
Ductility 0.00064 0.0007 0.00064 0.0007 NULL
Elastic Limit 280.9 309.75 MPa 40.7411 44.9254 ksi
Endurance Limit 238.93 278.75 MPa 34.6538 40.4292 ksi
Fracture Toughness 3 6 MPa.m1/2 2.73014 5.46028 ksi.in1/2
Hardness 9000 12500 MPa 1305.34 1812.97 ksi
Loss Coefficient 0.0005 0.001 0.0005 0.001 NULL
Modulus of Rupture 248 393 MPa 35.9694 56.9998 ksi
Poisson's Ratio 0.16 0.17 0.16 0.17 NULL
Shear Modulus 183 195 GPa 26.5419 28.2823 106 psi
Tensile Strength 280.9 309.75 MPa 40.7411 44.9254 ksi
Young's Modulus 430 450 GPa 62.3662 65.267 106 psi
Glass Temperature K °F
Latent Heat of Fusion 600 680 kJ/kg 257.952 292.346 BTU/lb
Maximum Service Temperature 1738 1973 K 2668.73 3091.73 °F
Melting Point 2502 2604 K 4043.93 4227.53 °F
Minimum Service Temperature 0 0 K -459.67 -459.67 °F
Specific Heat 403 430 J/kg.K 0.311865 0.332759 BTU/lb.F
Thermal Conductivity 60 70 W/m.K 112.322 131.042 BTU.ft/h.ft2.F
Thermal Expansion 7 10 10-6/K 12.6 18 10-6/°F
Breakdown Potential MV/m V/mil
Dielectric Constant NULL
Resistivity 10 20 10-8 ohm.m 10 20 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 5
Strong Alkalis 5
UV 5
Wear 5
Weak Acid 5
Weak Alkalis 5
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