An Introduction to Scandium

Material: An Introduction to Scandium
Composition: >99%Sc
Property Minimum Value (S.I.) Maximum Value (S.I.) Units (S.I.) Minimum Value (Imp.) Maximum Value (Imp.) Units (Imp.)
Atomic Volume (average) 0.0149 0.0152 m3/kmol 909.253 927.56 in3/kmol
Density 2.95 3.05 Mg/m3 184.163 190.405 lb/ft3
Energy Content 2100 5200 MJ/kg 227511 563361 kcal/lb
Bulk Modulus 52 62 GPa 7.54196 8.99233 106 psi
Compressive Strength 100 125 MPa 14.5038 18.1297 ksi
Ductility 0.1 0.15 0.1 0.15 NULL
Elastic Limit 100 125 MPa 14.5038 18.1297 ksi
Endurance Limit 65 105 MPa 9.42745 15.229 ksi
Fracture Toughness 60 85 MPa.m1/2 54.6028 77.354 ksi.in1/2
Hardness 750 950 MPa 108.778 137.786 ksi
Loss Coefficient 0.001 0.003 0.001 0.003 NULL
Modulus of Rupture 100 125 MPa 14.5038 18.1297 ksi
Poisson's Ratio 0.27 0.28 0.27 0.28 NULL
Shear Modulus 28 32 GPa 4.06106 4.64121 106 psi
Tensile Strength 170 210 MPa 24.6564 30.4579 ksi
Young's Modulus 74 80 GPa 10.7328 11.603 106 psi
Glass Temperature K °F
Latent Heat of Fusion 350 360 kJ/kg 150.472 154.771 BTU/lb
Maximum Service Temperature 540 670 K 512.33 746.33 °F
Melting Point 1805 1814 K 2789.33 2805.53 °F
Minimum Service Temperature 0 K -459.67 °F
Specific Heat 550 575 J/kg.K 0.425622 0.444968 BTU/lb.F
Thermal Conductivity 15 16 W/m.K 28.0805 29.9525 BTU.ft/h.ft2.F
Thermal Expansion 9.5 12.5 10-6/K 17.1 22.5 10-6/°F
Breakdown Potential MV/m V/mil
Dielectric Constant NULL
Resistivity 61 70 10-8 ohm.m 61 70 10-8 ohm.m
Environmental Properties
  Resistance Factors
1=Poor 5=Excellent
Flammability 3
Fresh Water 3
Organic Solvents 5
Oxidation at 500C 1
Sea Water 2
Strong Acid 1
Strong Alkalis 2
UV 5
Wear 3
Weak Acid 2
Weak Alkalis 3

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