Non-sag Tungsten Wire Production Process
Non-sag tungsten wire,its main feature is added to the dispersion strengthening elements tungsten, potassium, forming a "dovetail lap" shaped interlocking internal grain structure, thereby increasing the resistance to high temperature creep properties of tungsten wire.
Non-sag tungsten wire production process lengthy production processes, including tungsten metallurgy, powder metallurgy preform and plastic processing several major phases. As raw material in the production of ammonium paratungstate doped tungsten process shown in Figure.
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Non-sag tungsten is tungsten doped with the element of K (potassium) or other elements to achieve the effect of non-sag of the tungsten wire.
Important applications of cleaned tungsten wire are for the production of coiled incandescent lamp filaments.
Tungsten filament is the essential part in bulbs, such as halogen bulbs and vacuum bulbs.
Pure tungsten needle is needle made of the material of pure tungsten, which is a very hard and steel-gray metal that is brittle and hard to work.