Browsing by Subject "experimental characterisation"
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Item A Methodology for the Embedding of Sensors in Components Manufactured Using Metal Laser Powder Bed Fusion(University of Texas at Austin, 2021) Uí Mhurchadha, S.M.; Huynh, M.P.; Quinn, P.T.; Tomaz, I.; Raghavendra, R.This paper presents a methodology for the embedding of a sensor in a 316L stainless steel component during the laser powder bed fusion process. The aim of this study is to overcome the drawbacks of traditional sensor attachment to the surface of a component via placing sensors into a part during the manufacturing process. A methodology for the embedding process that ensures the functionality of the sensor within the component is presented and a preliminary investigation into the effect of the embedding process on the manufactured part quality preformed. An off-the-self accelerometer was embedded into a turbine and tested under rotational loading conditions. The interface microstructure where the print was stopped is also studied to investigate the effect of the sensor embedding methodology on material properties. The embedded sensor is capable of detecting off-axis rotation and over-speed of the turbine, two critical loading conditions that cause failure in turbines.