Nanograined Net-Shaped Fabrication of Rhenium Components by EB-PVD

Details Nanograined Net-Shaped Fabrication of Rhenium Components by EB-PVD Nanograined Net-Shaped Fabrication of Rhenium Components by EB-PVD

Feb 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aipc..699..728s&link_type=abstract

SPACE TECHNOLOGY AND APPLICATIONS INTERNAT.FORUM-STAIF 2004: Conf.on Thermophys.in Microgravity; Commercial/Civil Next Gen.Space

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Spaceborne And Space Research Instruments, Apparatus, And Components, Nanocrystalline Materials, Ion And Electron Beam-Assisted Deposition, Ion Plating

Scientific paper

Cost-effective net-shaped forming components have brought considerable interest into DoD, NASA and DoE. Electron beam physical vapor deposition (EB-PVD) offers flexibility in forming net-shaped components with tailored microstructure and chemistry. High purity rhenium (Re) components including rhenium-coated graphite balls, Re- plates and tubes have been successfully manufactured by EB-PVD. EB-PVD Re components exhibited sub-micron and nano-sized grains with high hardness and strength as compared to CVD. It is estimated that the cost of Re components manufactured by EB-PVD would be less than the current CVD and powder-HIP Technologies.

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