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tungsten processing
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Written by
Chun Tsin Wang
Former Senior Research Metallurgist, Teledyne Wah Chang Albany, Oregon. Coauthor of Tungsten: Sources, Metallurgy, Properties, and Applications.
Chun Tsin Wang,
Alexander Sutulov
President, Intermet Publications, Santiago, Chile. Author of Molybdenum Extractive Metallurgy; Molybdenum and Rhenium; editor of International Molybdenum Encyclopaedia, 1778–1978 (3 vol.).
Alexander Sutulov•All
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tungsten processing, preparation of the ore for use in various products. Tungsten exhibits a body-centred cubic (bcc) crystal lattice. It has the highest melting point of all metals, 3,410° C (6,170° F), and it has high conductivity for electricity. Owing to this unique combination of properties, it is used extensively as filaments for incandescent lamps, as electric contacts, and as electron emitters for electronic devices. Tungsten also has found wide application as an alloying element for tool steels and wear-resistant alloys. Tungsten carbides are used for cutting tools and hard-facing materials owing to their hardness and resistance to wear. The ...(100 of 1848 words)

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