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Tungsten. (Вольфрам)
1. Tungsten (Вольфрам)
Tungsten is an metal alloy that is used in manyways.
2. Color
Tungsten is usually silver it can rangefrom;
Gray
Dark Gray
Silver
Platinum (Color)
3. History
In 1781/1782, the Spanishnobleman(дворянин), Juan José de
D´Elhuyar studied metallurgical
chemistry with Prof Bergman and
gathered information about the work on
the mineral tungsten.
4. Luster (блеск)
Tungsten has a shiny (блестящий)metallic luster.
5. Hardness (Твердость)
Tungsten is a 7.5-8 on the Moh’sHardness Scale.
Harder;(тверже)
Corundum(
Softer;(мягче)
Apatite
(апатит)
6.
Cemented carbideAlloys
Electronics & electrical industries
Chemical applications
7. Crystal Shape
Tungsten does not have a crystal shape. itis a metal not a crystal.
8. Where Tungsten is found
47% ofTungsten is
found in China
9. Uses
Tank armorJewelry
Anti-tank weapons
High speed tools
Car parts