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Rhenium
Tungsten
Pyrolytic Graphite
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Rhenium
Tungsten
Pyrolytic Graphite
Standards
Equivalent standards
Chemical composition
Element
Weight %
Comment
99.97 %
min
Element
Weight %
Comment
99.95 %
min
Element
Weight %
Comment
Material Information
Application areas,
Common applications of Rhenium: Mass spectrometer filaments, grid heaters, cathode cups, nuclear re
Common applications of Tungsten: Lamp filaments, high temperature furnaces, welding electrodes
Sputtering Targets, Ion Beam Grids, Ion Implant Hardware, Liquid Phase Epitaxy Hardware, Crucibles f
Other,
-
-
The key features are: Chemically inert, high purity, stable to 3000°C, impermeable, directional elec
Mechanical
Elastic modulus, E
483 GPa at 20 °C
400 GPa at 20 °C
20 GPa at 20 °C
Hardness, Vickers, HV
-
460 [-] at 20 °C
-
Compressive strength, Rs
-
-
100 MPa at 20 °C
Tensile strength, Rm
1380 MPa at 20 °C
1725 MPa at 20 °C
80 MPa at 20 °C
Flexural strength, σbend
-
-
120 MPa at 20 °C
Elongation, A
2 % at 20 °C
-
-
General
Density, ρ
21.2 g/cm³ at 20 °C
19.3 g/cm³ at 20 °C
2.18 - 2.2 g/cm³ at 20 °C
Electrical
Electrical resistivity, transverse, ρel,trans
-
-
5E-3 Ω·m at 20 °C
Electrical resistivity, ρel
1.35E-7 Ω·m at 20 °C
5.28E-8 Ω·m at 20 °C
5E-6 Ω·m at 20 °C
Thermal
Coefficient of thermal expansion, α
6.8E-6 1/K at 20 °C
4.2E-6 1/K at 20 °C
5E-7 1/K at 20 °C
Specific heat capacity, cp
138 J/(kg·K) at 20 °C
134 J/(kg·K) at 20 °C
-
Thermal conductivity, transverse, λtrans
-
-
3.5 W/(m·K) at 20 °C
Max service temperature, Tmax
-
-
3000 °C
Thermal conductivity, λ
163 W/(m·K) at 20 °C
173 W/(m·K) at 20 °C
300 W/(m·K) at 20 °C
Coefficient of thermal expansion, transverse, αtrans
-
-
2E-5 1/K at 20 °C
Melting point, Tm
3180 °C
3420 °C
3650 °C
