Neodymium - History, Properties and Applications

Material: Neodymium - History, Properties and Applications
Composition: >99%Nd
Property Minimum Value (S.I.) Maximum Value (S.I.) Units (S.I.) Minimum Value (Imp.) Maximum Value (Imp.) Units (Imp.)
Atomic Volume (average) 0.0205 0.0207 m3/kmol 1250.99 1263.19 in3/kmol
Density 7 7.01 Mg/m3 436.996 437.62 lb/ft3
Energy Content 100 400 MJ/kg 10833.9 43335.5 kcal/lb
Bulk Modulus 28 38 GPa 4.06105 5.51143 106 psi
Compressive Strength 150 180 MPa 21.7557 26.1068 ksi
Ductility 0.015 0.12 0.015 0.12 NULL
Elastic Limit 150 180 MPa 21.7557 26.1068 ksi
Endurance Limit 60 105 MPa 8.70226 15.229 ksi
Fracture Toughness 25 55 MPa.m1/2 22.7512 50.0526 ksi.in1/2
Hardness 250 475 MPa 36.2595 68.893 ksi
Loss Coefficient 0.0017 0.0022 0.0017 0.0022 NULL
Modulus of Rupture 150 180 MPa 21.7557 26.1068 ksi
Poisson's Ratio 0.28 0.31 0.28 0.31 NULL
Shear Modulus 14 18 GPa 2.03053 2.61068 106 psi
Tensile Strength 155 210 MPa 22.4809 30.4579 ksi
Young's Modulus 37.5 41.5 GPa 5.43891 6.01906 106 psi
Glass Temperature K °F
Latent Heat of Fusion 49 75 kJ/kg 21.0661 32.244 BTU/lb
Maximum Service Temperature 390 480 K 242.33 404.33 °F
Melting Point 1285 1297 K 1853.33 1874.93 °F
Minimum Service Temperature 0 K -459.67 °F
Specific Heat 190 210 J/kg.K 0.147033 0.16251 BTU/lb.F
Thermal Conductivity 13 16.5 W/m.K 24.3364 30.8886 BTU.ft/h.ft2.F
Thermal Expansion 6 7.5 10-6/K 10.8 13.5 10-6/°F
Breakdown Potential MV/m V/mil
Dielectric Constant NULL
Resistivity 63 70 10-8 ohm.m 63 70 10-8 ohm.m
Environmental Properties
  Resistance Factors
1=Poor 5=Excellent
Flammability 4
Fresh Water 4
Organic Solvents 5
Oxidation at 500C 3
Sea Water 3
Strong Acid 2
Strong Alkalis 3
UV 5
Wear 3
Weak Acid 3
Weak Alkalis 4

This data is provided subject to AZoM.com's terms and conditions. Data reproduced with permission of Granta Design Limited www.grantadesign.com

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