An Introduction to Erbium

Material: An Introduction to Erbium
Composition: >99%Er
Property Minimum Value (S.I.) Maximum Value (S.I.) Units (S.I.) Minimum Value (Imp.) Maximum Value (Imp.) Units (Imp.)
Atomic Volume (average) 0.0183 0.0186 m3/kmol 1116.73 1135.04 in3/kmol
Density 9 9.1 Mg/m3 561.852 568.095 lb/ft3
Energy Content 300 800 MJ/kg 32501.6 86670.9 kcal/lb
Bulk Modulus 42 50 GPa 6.09158 7.25188 106 psi
Compressive Strength 250 320 MPa 36.2594 46.4121 ksi
Ductility 0.03 0.08 0.03 0.08 NULL
Elastic Limit 250 320 MPa 36.2594 46.4121 ksi
Endurance Limit 100 175 MPa 14.5038 25.3816 ksi
Fracture Toughness 55 90 MPa.m1/2 50.0526 81.9042 ksi.in1/2
Hardness 400 1200 MPa 58.0151 174.045 ksi
Loss Coefficient 0.0007 0.001 0.0007 0.001 NULL
Modulus of Rupture 250 320 MPa 36.2594 46.4121 ksi
Poisson's Ratio 0.23 0.24 0.23 0.24 NULL
Shear Modulus 26 32 GPa 3.77098 4.64121 106 psi
Tensile Strength 260 345 MPa 37.7098 50.038 ksi
Young's Modulus 69 75 GPa 10.0076 10.8778 106 psi
Glass Temperature K °F
Latent Heat of Fusion 95 110 kJ/kg 40.8424 47.2912 BTU/lb
Maximum Service Temperature 540 660 K 512.33 728.33 °F
Melting Point 1794 1804 K 2769.53 2787.53 °F
Minimum Service Temperature 0 0 K -459.67 -459.67 °F
Specific Heat 160 175 J/kg.K 0.123817 0.135425 BTU/lb.F
Thermal Conductivity 13.5 14.5 W/m.K 25.2725 27.1445 BTU.ft/h.ft2.F
Thermal Expansion 8.5 10 10-6/K 15.3 18 10-6/°F
Breakdown Potential MV/m V/mil
Dielectric Constant NULL
Resistivity 88 100 10-8 ohm.m 88 100 10-8 ohm.m
Environmental Properties
  Resistance Factors
1=Poor 5=Excellent
Flammability 5
Fresh Water 4
Organic Solvents 5
Oxidation at 500C 3
Sea Water 3
Strong Acid 1
Strong Alkalis 2
UV 5
Wear 3
Weak Acid 2
Weak Alkalis 3

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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