Question

5. A wire made of tungsten.​

Answer 1

ANSWER-

A wire is lubricated and drawn through dies of tungsten carbide or diamond. The exact reductions in diameter depends on the exact chemistry and the final use of the wire. As the wire is drawn, fibers again elongate and tensile strength increases.

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Answer 2

Answer:

Current uses are as electrodes, heating elements and field emitters, and as filaments in light bulbs and cathode ray tubes. Tungsten is commonly used in heavy metal alloys such as high speed steel, from which cutting tools are manufactured. It is also used in the so-called 'superalloys' to form wear-resistant coatings.

Tungsten wire is used as filaments for lighting, electron tubes, electrodes, high-temperature furnace parts, probe pins, by making the most of its characteristics: the highest melting point among

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