Title :
Cryogenic machining of porous tungsten for dispenser cathode applications
Author :
Tarter, James O. ; Effgen, Michael ; Pusavec, Franci ; Jawahir, I.S.
Author_Institution :
Semicon Assoc., Lexington, KY
Abstract :
This paper presents the results of initial experiments to apply cryogenic methods to the machining of porous tungsten for dispenser cathode matrices. The resulting surfaces were analyzed to determine their suitability for dispenser cathodes.
Keywords :
cathodes; low-temperature production; low-temperature techniques; machining; porous materials; tungsten; W; cryogenic machining; dispenser cathode; porous tungsten; Cathodes; Contamination; Cryogenics; Drives; Machining; Manufacturing processes; Plastics; Rough surfaces; Surface roughness; Tungsten; contamination; cryogenic machining; dispenser cathode; sustainable process;
Conference_Titel :
Vacuum Electronics Conference, 2008. IVEC 2008. IEEE International
Conference_Location :
Monterey, CA
Print_ISBN :
978-1-4244-1715-5
DOI :
10.1109/IVELEC.2008.4556349
