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Keywords: directed energy deposition
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Proceedings Papers

Proc. ASME. MSEC2023, Volume 2: Manufacturing Equipment and Automation; Manufacturing Processes; Manufacturing Systems; Nano/Micro/Meso Manufacturing; Quality and Reliability, V002T06A008, June 12–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2023-104144
..., distortion of the component induced during repair can lead to an out of specification final component. This work presents simulation of a novel method to mitigate part distortion using sacrificial support structures. A blown powder directed energy deposition system was utilized for deposition of sacrificial...
Proceedings Papers

Proc. ASME. MSEC2023, Volume 2: Manufacturing Equipment and Automation; Manufacturing Processes; Manufacturing Systems; Nano/Micro/Meso Manufacturing; Quality and Reliability, V002T06A009, June 12–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2023-104372
... Abstract Blown powder directed energy deposition (DED) hybrid machine tools are particularly beneficial when the net shape of a component is to be manufactured in an additive and machined interleaved fashion. This investigation seeks to analyze the effect of the additive head lean angle...
Proceedings Papers

Proc. ASME. IAM2022, 2022 International Additive Manufacturing Conference, V001T02A002, October 19–20, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IAM2022-91705
..., and the strengthening mechanisms have been studied in cylinders manufactured with different chemical composition grades and LMD process parameter sets (slow, normal and fast deposition speed). additive manufacturing directed energy deposition laser metal deposition self-fluxing alloys NiCrSiB sealing rings...
Proceedings Papers

Proc. ASME. MSEC2022, Volume 2: Manufacturing Processes; Manufacturing Systems, V002T05A011, June 27–July 1, 2022
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2022-84945
... Abstract Metal additive manufacturing (AM) enables the production of non-trivial geometries and intricate internal structures. Directed energy deposition (DED) is one such AM process that has the inherent advantage of producing multi-material components on complex pre-existing geometries...
Proceedings Papers

Proc. ASME. MSEC2022, Volume 2: Manufacturing Processes; Manufacturing Systems, V002T05A046, June 27–July 1, 2022
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2022-85562
... Abstract Directed energy deposition (DED) is increasingly considered for manufacturing aerospace components and mold tooling with internal cooling channels, and for repair applications, but the design space of DED is limited: steep overhangs and bridge geometries are difficult or impossible...
Proceedings Papers

Proc. ASME. MSEC2021, Volume 1: Additive Manufacturing; Advanced Materials Manufacturing; Biomanufacturing; Life Cycle Engineering; Manufacturing Equipment and Automation, V001T01A027, June 21–25, 2021
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2021-64111
... Abstract In this study, Co-Cr-Mo samples that were fabricated via directed energy deposition (DED) at various laser powers and powder feed rates were characterized to ascertain their microstructure and mechanical properties. Co-Cr-Mo is a common alloy for total hip and knee replacements, dental...
Proceedings Papers

Proc. ASME. MSEC2020, Volume 1: Additive Manufacturing; Advanced Materials Manufacturing; Biomanufacturing; Life Cycle Engineering; Manufacturing Equipment and Automation, V001T05A022, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2020-8455
... Abstract The objective of this work is to investigate the hardness and abrasion resistance of a cobalt-chromium-molybdenum (Co-Cr-Mo) alloy fabricated via directed energy deposition (DED) additive manufacturing. Being a bio-compatible alloy, Co-Cr-Mo is commonly used in biomedical implants...
Proceedings Papers

Proc. ASME. MSEC2019, Volume 1: Additive Manufacturing; Manufacturing Equipment and Systems; Bio and Sustainable Manufacturing, V001T01A038, June 10–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2019-3034
...PREDICTING PART-LEVEL THERMAL HISTORY IN METAL ADDITIVE MANUFACTURING USING GRAPH THEORY: EXPERIMENTAL VALIDATION WITH DIRECTED ENERGY DEPOSITION OF TITANIUM ALLOY PARTS Reza Yavari1 , Jordan Severson1, Aniruddha Gaikwad1, Kevin Cole11, and Prahalad Rao1 1Mechanical and Materials Engineering...