Plansee WVM Potassium-doped Tungsten Rod

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Plansee WVM Potassium-doped Tungsten Rod
Categories:	Metal; Nonferrous Metal; Refractory Metal; Tungsten Alloy
Material Notes:	W rod material doped with Al, K, Si. Doping tungsten with potassium and subjecting the material to a highly orientation-dependant cold working produces a stacked microstructure, yielding useful characteristics in wire and rod products. Primarily, improved dimensional stability at high temperatures. Information provided by Plansee.
Vendors:	PLANSEE SE: Whether it's high temperatures, aggressive chemicals or extreme mechanical loading: PLANSEE supplies a suitable product solution in refractory metals or composite materials. As the world market leader in powder metallurgically produced high performance materials we combine outstanding materials knowledge with profound applications and technology know-how. Visit us at www.plansee.com. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	>= 18.9 g/cc	depending on diameter

Mechanical Properties	Original Value	Comments
Hardness, Vickers	400 - 500	HV30; depending on diameter

Processing Properties	Original Value	Comments
Recrystallization Temperature	2000 °C	Deformation level - 99.99%

Component Elements Properties	Original Value	Comments
Potassium, K	0.0030 - 0.0070 %

Descriptive Properties
Creep Resistance	much greater than pure W
Ductility	greater than pure W
Electron Work Function	4.54 eV
Fineness of Grain	greater than pure W
Machinability/Workability	greater than pure W
Stability at High Temperature	much greater than pure W

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NPLAM921 / 135477

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