Fatigue Performance and Impact Toughness of PBF-LB Manufactured Inconel 718
Rautio, Timo; Jaskari, Matias; Bhatti, Haider Ali; Mustakangas, Aappo; Keskitalo, Markku; Järvenpää, Antti (2023-12-22)
Rautio, Timo
Jaskari, Matias
Bhatti, Haider Ali
Mustakangas, Aappo
Keskitalo, Markku
Järvenpää, Antti
IEEE
22.12.2023
T. Rautio, M. Jaskari, H. A. Bhatti, A. Mustakangas, M. Keskitalo and A. Järvenpää, "Fatigue Performance and Impact Toughness of PBF-LB Manufactured Inconel 718," 2023 IEEE International Conference on Robotics and Biomimetics (ROBIO), Koh Samui, Thailand, 2023, pp. 1-6, doi: 10.1109/ROBIO58561.2023.10354797.
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Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:oulu-202401041066
https://urn.fi/URN:NBN:fi:oulu-202401041066
Tiivistelmä
Abstract
This study investigates the fatigue performance and impact toughness of laser powder bed fusion (PBF-LB) manufactured Inconel 718. Inconel 718 is a nickel-based superalloy known for its high-temperature properties. The PBF-LB process offers accuracy and the ability to produce parts with the final geometry, eliminating the need for expensive machining. These features make it an tempting material also for robotic applications, such as structural components or environments that have elevated temperature or are corrosive. However, the influence of heat treatment on the mechanical and dynamic properties of Inconel 718 is not yet fully understood. The study aims to characterize Inconel 718 specimens through tensile, impact, and fatigue testing, as well as microstructural analysis using Field-Emission Scanning Electron Microscopy (FESEM) with Electron Backscatter Diffraction (EBSD). The results will provide insights into the mechanical behavior of PBF-LB-manufactured Inconel 718, considering printing orientation, mechanical properties, and surface quality. The findings will contribute to the understanding of this material’s dynamic properties, crucial for the design and utilization of components produced through PBF-LB.
This study investigates the fatigue performance and impact toughness of laser powder bed fusion (PBF-LB) manufactured Inconel 718. Inconel 718 is a nickel-based superalloy known for its high-temperature properties. The PBF-LB process offers accuracy and the ability to produce parts with the final geometry, eliminating the need for expensive machining. These features make it an tempting material also for robotic applications, such as structural components or environments that have elevated temperature or are corrosive. However, the influence of heat treatment on the mechanical and dynamic properties of Inconel 718 is not yet fully understood. The study aims to characterize Inconel 718 specimens through tensile, impact, and fatigue testing, as well as microstructural analysis using Field-Emission Scanning Electron Microscopy (FESEM) with Electron Backscatter Diffraction (EBSD). The results will provide insights into the mechanical behavior of PBF-LB-manufactured Inconel 718, considering printing orientation, mechanical properties, and surface quality. The findings will contribute to the understanding of this material’s dynamic properties, crucial for the design and utilization of components produced through PBF-LB.
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