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Keywords: laser powder bed fusion
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Proceedings Papers

Proc. ASME. MSEC2023, Volume 1: Additive Manufacturing; Advanced Materials Manufacturing; Biomanufacturing; Life Cycle Engineering, V001T01A012, June 12–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2023-104387
...Proceedings of the ASME 2023 18th International Manufacturing Science and Engineering Conference MSEC2023 June 12-16, 2023, New Brunswick, NJ, USA MSEC2023-104387 DEFECT SEGMENTATION FROM X-RAY COMPUTED TOMOGRAPHY OF LASER POWDER BED FUSION PARTS: A COMPARATIVE STUDY AMONG MACHINE LEARNING, DEEP...
Proceedings Papers

Proc. ASME. MSEC2023, Volume 1: Additive Manufacturing; Advanced Materials Manufacturing; Biomanufacturing; Life Cycle Engineering, V001T01A004, June 12–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2023-101325
..., OH Ala Qattawi* University of Toledo Toledo, OH *Corresponding Author: ala.qattawi@utoledo.edu ABSTRACT Employing Laser Powder Bed Fusion (LPBF) method to manufacture NiTiHf Shape Memory Alloy (SMA) is becoming more common. The major design property for NiTiHf is the transformation temperatures (TTs...
Proceedings Papers

Proc. ASME. MSEC2023, Volume 1: Additive Manufacturing; Advanced Materials Manufacturing; Biomanufacturing; Life Cycle Engineering, V001T01A028, June 12–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2023-105190
... additive manufacturing laser powder bed fusion Inconel 718 material characterization Abstract Additive manufacturing of superalloys has significant merits as it produces components with higher complexity and less post-machining. Inconel 718 (IN718) is a well-known high-strength nickel...
Proceedings Papers

Proc. ASME. IAM2022, 2022 International Additive Manufacturing Conference, V001T02A005, October 19–20, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IAM2022-93969
... to these deviations are also difficult to compare because they are based on several geometries that are manufactured using different processes, materials, and machine settings. Laser Powder Bed Fusion (LPBF) is gaining in popularity, but one of the obstacles facing its larger industrial use is the limited knowledge...
Proceedings Papers

Proc. ASME. IAM2022, 2022 International Additive Manufacturing Conference, V001T03A005, October 19–20, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IAM2022-96752
..., aerodynamical damping (usually below 0.3%) and frictional damping (depending on the design). Nowadays, the Additive Manufacturing (AM) and especially Laser Powder Bed Fusion (LPBF) allow to manufacture multifunctional and complex components with high structural integrity and extended lifetime. An example...
Proceedings Papers

Proc. ASME. IAM2022, 2022 International Additive Manufacturing Conference, V001T02A010, October 19–20, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IAM2022-94437
...Proceedings of the 2022 International Additive Manufacturing Conference IAM2022 October 19-20, 2022, Lisbon, Portugal IAM2022-94437 POLARIZED ILLUMINATION FOR OPTICAL MONITORING SYSTEM IN LASER POWDER BED FUSION Song Zhang RWTH Aachen University Digital Additive Production Aachen, Germany...
Proceedings Papers

Proc. ASME. MSEC2022, Volume 2: Manufacturing Processes; Manufacturing Systems, V002T05A032, June 27–July 1, 2022
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2022-85387
... and analyze large amounts data facilitates the development of machine learning models for estimating part properties based on the process signatures. laser powder bed fusion in-situ coaxial monitoring melt pool temperature two-wavelength imaging pyrometry Proceedings of the ASME 2022 17th...
Proceedings Papers

Proc. ASME. MSEC2022, Volume 2: Manufacturing Processes; Manufacturing Systems, V002T05A029, June 27–July 1, 2022
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2022-85310
... of as-AM coupons. This research focused on the tensile testing of Laser Powder Bed Fusion (LPBF) produced Inconel 718 to isolate the effects of as-AM surface roughness. Six different surface conditions were produced by varying two different laser processing conditions, with and without contour laser scans...
Proceedings Papers

Proc. ASME. MSEC2020, Volume 1: Additive Manufacturing; Advanced Materials Manufacturing; Biomanufacturing; Life Cycle Engineering; Manufacturing Equipment and Automation, V001T01A028, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2020-8433
...THERMAL MODELING IN METAL ADDITIVE MANUFACTURING USING GRAPH THEORY: EXPERIMENTAL VALIDATION WITH IN-SITU INFRARED THERMOGRAPHY DATA FROM LASER POWDER BED FUSION Reza Yavari1 , Richard Williams2, Kevin Cole1*, Paul Hooper2 and Prahalada Rao1 1Mechanical and Materials Engineering, University...
Proceedings Papers

Proc. ASME. MSEC2020, Volume 1: Additive Manufacturing; Advanced Materials Manufacturing; Biomanufacturing; Life Cycle Engineering; Manufacturing Equipment and Automation, V001T01A043, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2020-8470
... Abstract In this study, surrogate pores were designed and generated at specific locations inside tensile specimens fabricated by laser powder bed fusion (L-PBF) processing and further evaluated in porosity characteristics and mechanical properties. The objectives are to demonstrate...
Proceedings Papers

Proc. ASME. MSEC2020, Volume 1: Additive Manufacturing; Advanced Materials Manufacturing; Biomanufacturing; Life Cycle Engineering; Manufacturing Equipment and Automation, V001T01A024, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2020-8302
...NUMERICAL MODELING OF POWDER GAS INTERACTION FOR LASER POWDER BED FUSION PROCESS Xuxiao Li, Wenda Tan1 Department of Mechanical Engineering University of Utah Salt Lake City, UT ABSTRACT The powder motion induced by the gas flow has been identified as one of the critical phenomena in laser powder...
Proceedings Papers

Proc. ASME. MSEC2020, Volume 1: Additive Manufacturing; Advanced Materials Manufacturing; Biomanufacturing; Life Cycle Engineering; Manufacturing Equipment and Automation, V001T01A017, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2020-8410
... Abstract In laser powder bed fusion metal additive manufacturing, insufficient shield gas flow allows accumulation of condensate and ejecta above the build plane and in the beam path. These process byproducts are associated with beam obstruction, attenuation, and thermal lensing, which...
Proceedings Papers

Proc. ASME. MSEC2019, Volume 1: Additive Manufacturing; Manufacturing Equipment and Systems; Bio and Sustainable Manufacturing, V001T01A015, June 10–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2019-2987
...A NUMERICAL STUDY ON THE KEYHOLE FORMATION DURING LASER POWDER BED FUSION PROCESS Subin Shrestha and Y. Kevin Chou Additive Manufacturing Research Center University of Louisville Louisville, KY 40292 ABSTRACT The dynamic phenomenon of a melt pool during the laser powder bed fusion (LPBF) process...
Topics: Lasers