18494854. METHOD FOR ADDITIVELY MANUFACTURED PROCESS-EQUIVALENT TEST SPECIMENS (RTX CORPORATION)
METHOD FOR ADDITIVELY MANUFACTURED PROCESS-EQUIVALENT TEST SPECIMENS
Organization Name
Inventor(s)
David U. Furrer of Marlborough CT US
Sergei F. Burlatsky of West Hartford CT US
Adam Pilchak of Glastonbury CT US
METHOD FOR ADDITIVELY MANUFACTURED PROCESS-EQUIVALENT TEST SPECIMENS
This abstract first appeared for US patent application 18494854 titled 'METHOD FOR ADDITIVELY MANUFACTURED PROCESS-EQUIVALENT TEST SPECIMENS
Original Abstract Submitted
A method includes identifying at least one region-of-interest (ROI) of an article that is to be additively manufactured by powder bed fusion, determining a thermal profile of the ROI, where the thermal profile includes at least a maximum temperature and a cooling rate, determining a geometry of an insulation layer upon which at least one process-equivalent test specimen (PETS) is to be additively manufactured by powder bed fusion such that a thermal profile of the at least one PETS replicates the thermal profile of the at least one ROI, and fabricating the at least one PETS in accordance with the thermal profile of the PETS by using the determined geometry of the insulation layer such that the at least one PETS and the at least one ROI are metallurgically equivalent.
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