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25 February 2010 Laser microsintering of tungsten in vacuum
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Laser microsintering of tungsten powder is investigated as a function of laser output power, pulse interval and vacuum level. The intensities are calculated for the evaporation thresholds of tungsten powder particles of various sizes. In addition, the powder layer generation and the resulting layer thicknesses are calculated. The powder abrasion occurring during the process was taken into consideration. Polished sections and REM images were prepared in order to analyse the experimental outcomes. The dependence of sinter density on the parameters is discussed.
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Robby Ebert, Frank Ullmann, Lars Hartwig, Tino Suess, Sascha Kloetzer, Andre Streek, Joerg Schille, Peter Regenfuss, and Horst Exner "Laser microsintering of tungsten in vacuum", Proc. SPIE 7589, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications X, 75891G (25 February 2010);

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