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Keywords: additive manufacturing
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Journal Articles

Characterization of Properties of Laser Powder Bed Fusion Three-Dimensional-Printed Inconel 718 for Centrifugal Turbomachinery Applications

Hannah G. Lea, Rochelle S. Wooding, Sam Kuhr, John Rotella, José Luis Córdova
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061017.
Paper No: GTP-22-1362
DOI: https://doi.org/10.1115/1.4056794
Published Online: February 15, 2023
...Hannah G. Lea; Rochelle S. Wooding; Sam Kuhr; John Rotella; José Luis Córdova This paper presents the results of a comprehensive effort to characterize the properties of Inconel 718 produced by a form of laser powder bed fusion (LPBF) additive manufacturing (AM) or three-dimensional (3D)-printing...
View Article titled, Characterization of Properties of Laser Powder Bed Fusion Three-Dimensional-Printed Inconel 718 for Centrifugal Turbomachinery Applications
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Topics: Additive manufacturing, Creep, High cycle fatigue, Lasers, Mechanical properties, Rupture, Temperature, Testing, Stress, Blanks
Journal Articles

Analyses of Damping Sustainability of Additively Manufactured Nickel Alloy Components Subjected to High Strain Loading Cycles

John P. Hollkamp, Onome Scott-Emuakpor, Dino Celli
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031011.
Paper No: GTP-22-1462
DOI: https://doi.org/10.1115/1.4055579
Published Online: December 5, 2022
... in the United States. Approved for public release; distribution is unlimited. 28 07 2022 09 08 2022 05 12 2022 structural dynamics particle damping vibration analysis additive manufacturing The need to reduce weight in aerospace systems has led to technological advancements...
View Article titled, Analyses of Damping Sustainability of <span class="search-highlight">Additively</span> <span class="search-highlight">Manufactured</span> Nickel Alloy Components Subjected to High Strain Loading Cycles
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Topics: Damping, Particulate matter, Sustainability, Lasers, Additive manufacturing, Dampers
Journal Articles

Dimensional Characterizations Using Scanning Electron Microscope and Surface Improvement With Electrochemical Polishing of Additively Manufactured Microchannels

Zheng Min, Yingjie Wu, Kailai Yang, Jin Xu, Sarwesh Narayan Parbat, Minking K. Chyu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2021, 143(4): 041020.
Paper No: GTP-20-1735
DOI: https://doi.org/10.1115/1.4049908
Published Online: February 26, 2021
... cooling devices. Recent development of metallic additive manufacturing (AM) based on direct metal laser sintering technology is capable of fabricating microscale structures with high complexity and design flexibility. However, powder bed laser sintering process produces rough surface characteristics...
View Article titled, Dimensional Characterizations Using Scanning Electron Microscope and Surface Improvement With Electrochemical Polishing of <span class="search-highlight">Additively</span> <span class="search-highlight">Manufactured</span> Microchannels
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Topics: Additive manufacturing, Electrolytic polishing, Microchannels, Printing, Scanning electron microscopes, Surface roughness
Journal Articles

New Insights From Conceptual Design of an Additive Manufactured 300 W Microgas Turbine Toward Unmanned Aerial Vehicle Applications

Lukas Badum, Boris Leizeronok, Beni Cukurel
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2021, 143(2): 021006.
Paper No: GTP-20-1454
DOI: https://doi.org/10.1115/1.4048695
Published Online: January 18, 2021
..., component efficiency, and system electric efficiency. Thereby, a reduced design pressure ratio of 2.5 with 1200 K turbine inlet temperature (TIT) is identified as most suitable for 300 W electric power output. In following, a review of available additive manufacturing technologies yields material properties...
View Article titled, New Insights From Conceptual Design of an <span class="search-highlight">Additive</span> <span class="search-highlight">Manufactured</span> 300 W Microgas Turbine Toward Unmanned Aerial Vehicle Applications
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Topics: Additive manufacturing, Bearings, Compressors, Cycles, Design, Generators, Pressure, Rotors, Temperature, Turbines