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Why tungsten is a target metal in X-ray diffraction?

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Why tungsten is a target metal in X-ray diffraction?

  Many compounds and alloys of tungsten have many applications, most notably in incandescent light bulb filaments, X-ray tubes (as both the filament and target), and super alloys.Tungsten target implies an X-Ray tube where high energy electrons are directed in a vacuum to strike a tungsten target.The reasons for tungsten be a target metal in X-ray diffraction as following:

  First,tungsten has the highest melting point of any metal, and because over 99 percent of the energy put into the x-ray tube to produce the beam is turned into heat energy, the ability to dissapate the heat without loosing structural integrity is critical.

  Second,tungsten has a relatively high wavelength, therefore producting relatively high energy characteristic x-rays.

  Third,the electronic structure of tungsten makes it one of the main sources for X-ray targets.


 
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