Tungsten DESCRIPTION
Jan 25, 2024
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Tungsten has the highest melting point and lowest vapor pressure of all metals, and has the highest tensile strength at temperatures in excess of 1650°C. It has excellent corrosion resistance and is only slightly attacked by most inorganic acids. (0.65 mm diameter, 100 feet)
Tungsten is the most useful material used in vacuum evaporation technique, due to its special properties and cost factor.
Properties of Tungsten
| Chemical symbol: | W |
| Atomic Radius: | 2.02Å |
| Atomic Volume, cm3/mol: | 9.53 |
| Covalent Radius: | 1.3Å |
| Crystal Structure: | Body centered cube |
| Number of Electron (with no charge): | 74 |
| Atomic Number of Protons: | 74 |
| Number of Neutrons (most common/stable nuclide): | 110 |
| Ionic Radius: | 0.62Å |
| Cross Section: | 18.5 barns ± 0.5 |
This tungsten wire is 99.90% purity.
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