The history of tungsten. Physical and mechanical properties.
In 1871, K. V. Scheele, decomposing acid mineral tungsten, identified acid new item. Two years later, in 1783, for the first time got a metallic powder of tungsten, restoring the trioxide of tungsten with carbon. There are several interpretations of the origin of the word Wolfram. Translated from German, this word means wolf froth. In the Urals, the tungsten minerals have been known under the name «Thistle», and the term «volchatova acid» is found in the Russian documents of 1824 In Russia tungsten steel was first produced in 1865 at Motovilikha plant in Perm.
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