An Overview of Gadolinium

Material: An Overview of Gadolinium
Composition: >99%Gd
Property Minimum Value (S.I.) Maximum Value (S.I.) Units (S.I.) Minimum Value (Imp.) Maximum Value (Imp.) Units (Imp.)
Atomic Volume (average) 0.0197 0.0201 m3/kmol 1202.17 1226.58 in3/kmol
Density 7.85 7.95 Mg/m3 490.06 496.303 lb/ft3
Energy Content 100 500 MJ/kg 10833.9 54169.3 kcal/lb
Bulk Modulus 36 42 GPa 5.22136 6.09158 106 psi
Compressive Strength 160 300 MPa 23.206 43.5113 ksi
Ductility 0.06 0.09 0.06 0.09 NULL
Elastic Limit 160 300 MPa 23.206 43.5113 ksi
Endurance Limit 65 215 MPa 9.42745 31.1831 ksi
Fracture Toughness 45 90 MPa.m1/2 40.9521 81.9042 ksi.in1/2
Hardness 500 1050 MPa 72.5189 152.29 ksi
Loss Coefficient 0.0008 0.0018 0.0008 0.0018 NULL
Modulus of Rupture 160 300 MPa 23.206 43.5113 ksi
Poisson's Ratio 0.255 0.265 0.255 0.265 NULL
Shear Modulus 20 24 GPa 2.90075 3.4809 106 psi
Tensile Strength 170 430 MPa 24.6564 62.3662 ksi
Young's Modulus 54 57 GPa 7.83203 8.26715 106 psi
Glass Temperature K °F
Latent Heat of Fusion 95 105 kJ/kg 40.8424 45.1416 BTU/lb
Maximum Service Temperature 470 580 K 386.33 584.33 °F
Melting Point 1575 1587 K 2375.33 2396.93 °F
Minimum Service Temperature 0 0 K -459.67 -459.67 °F
Specific Heat 225 240 J/kg.K 0.174118 0.185726 BTU/lb.F
Thermal Conductivity 10 10.5 W/m.K 18.7203 19.6564 BTU.ft/h.ft2.F
Thermal Expansion 6 9 10-6/K 10.8 16.2 10-6/°F
Breakdown Potential MV/m V/mil
Dielectric Constant NULL
Resistivity 132 150 10-8 ohm.m 132 150 10-8 ohm.m
Environmental Properties
  Resistance Factors
1=Poor 5=Excellent
Flammability 5
Fresh Water 4
Organic Solvents 5
Oxidation at 500C 2
Sea Water 4
Strong Acid 1
Strong Alkalis 2
UV 5
Wear 3
Weak Acid 3
Weak Alkalis 3
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