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Preliminary design setup and experimental results of laser sintering for use in aerosol jet printing
McMurtrey, Michael D.; Reese, Stephen J.
Idaho National Lab. (INL), Idaho Falls, ID (United States). Funding organisation: USDOE Office of Nuclear Energy - NE (United States)2018
Idaho National Lab. (INL), Idaho Falls, ID (United States). Funding organisation: USDOE Office of Nuclear Energy - NE (United States)2018
AbstractAbstract
[en] It is imperative to understand the application of emerging advanced manufacturing techniques to nuclear related capabilities. The Advanced Manufacturing thrust of the In-Pile Instrumentation Initiative seeks to apply techniques such as aerosol jet printing to allow for manufacturing of novel sensor designs. As part of this thrust, a laser sintering system is being developed. The preliminary design allows for benchtop experiments that are controlled with a manual stage. The preliminary results did not appear to achieve sufficient temperatures to sinter the specimen, and temperatures were not accurately measured by the IR camera. A calibration to link silver emissivity with temperature must be performed in order to quantitatively measure temperatures with the IR camera. This calibration will be performed, and a second sintering experiment performed in detail to determine required laser exposure times and temperatures to achieve sintering with the system. Future updates for the system include a higher resolution lens for the IR camera to allow for higher magnification temperature observations, as well as a motorized stage and control framework to link the stage movements to the specimen geometry and desired exposure time during the sintering process.
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1 Apr 2018; 17 p; OSTIID--1467483; AC07-05ID14517; Available from https://inldigitallibrary.inl.gov/sites/sti/sti/Sort_5165.pdf; PURL: http://www.osti.gov/servlets/purl/1467483/
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