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3N5 (99.95%) Tungsten (W) Pellets Evaporation Materials - MSE Supplies LLC

3N5 (99.95%) Tungsten (W) Pellets Evaporation Materials

  • $ 8300


3N5 (99.95%) Tungsten (W) Pellets Evaporation Materials

Tungsten (W) is a rare metal that has the highest melting point and boiling point of all known elements. It occurs in many alloys, which have numerous applications, including incandescent light bulb filaments, X-ray tubes, electrodes in gas tungsten arc welding, superalloys, and radiation shielding. Tungsten's hardness and high density make it suitable for military applications in penetrating projectiles. Tungsten compounds are often used as industrial catalysts. Pure Tungsten is evaporated in vacuum to make nano powder or nanowires. It is also evaporated in different atmospheres to make different compound thin films.

The dimensions and purities can be customized upon request. Please contact us for customization or bulk orders

Name Tungsten
Chemical Formula W
CAS # 7440-33-7
Atomic Number 74
Molecule Weight (g/mol) 183.84
Color/Appearance Grayish White, Lustrous, Metallic
Purity ≥99.95%, 3N5
Thermal Conductivity (W/m.K) 174
Coefficient of Thermal Expansion (/K) 4.5 x 10-6
Melting Point (°C) 3,410
Theoretical Density (g/cm3) 19.25
Z Ratio 0.163
E-Beam Good
E-Beam Crucible Liner Material Direct in Hearth
Temp. (°C) for Given Vap. Press. (Torr) 10-8:  2,117
10-6:  2,407
10-4:  2,757

MSE Supplies offers a variety of crucibles for evaporation materials. We can customize the dimensions based on your requirements.

References

1. Wire-array-applied ultrafine tungsten wire coated with Al–Mg alloy layer via electron beam evaporation. Transactions of the IMF 95, no. 4 (2017): 185-189.

2. Application of the Method of Evaporation of a Substance by High-Energy Electron Beam to Produce Tungsten Nanopowder. SIBERIAN JOURNAL OF PHYSICS: 18.


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