Synthesis and characterization of Ni-Mo sintered alloy foils for microwave tube manufacturing
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2013
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INTERNATIONAL MICROWAVE AND OPTOELECTRONICS CONFERENCE
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Resumo
The Ni-Mo composite alloy, to be used in
microwave vacuum tube manufacturing, was prepared from
metal powders previously homogenized, pressed and sintered at
1200oC by induction heating. The Ni-Mo sintered discs were
annealed at 1150oC for 20min, and submitted to the roller
process in 5 cycles to obtain a thin foil with 0.10 mm of thickness,
for brazing process adopted to join the cathode components. The
samples were submitted to scanning electron microscopy (SEM)
coupled to energy dispersive spectroscopy analysis (EDS) to
characterize the composition and microstructure. X-ray
diffraction (XRD) was performed to determine the crystalline
structure and energy dispersive X-ray fluorescence spectroscopy
(EDX) was performed to determine the chemical composition and
the homogeneity of the composite alloy.
Como referenciar
SENE, FRANK F.; SANTOS, VINICIUS O.; MOTTA, CLAUDIO C. Synthesis and characterization of Ni-Mo sintered alloy foils for microwave tube manufacturing. In: INTERNATIONAL MICROWAVE AND OPTOELECTRONICS CONFERENCE, August 04-07, 2013, Rio de Janeiro, RJ. Proceedings... Piscataway, NJ: IEEE, 2013. DOI: 10.1109/imoc.2013.6646471. Disponível em: http://repositorio.ipen.br/handle/123456789/27649. Acesso em: 09 May 2024.
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