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Meeting Additive Manufacturing Benchmarks 2022 (AM-Bench 2022)
Symposium Additive Manufacturing Benchmarks 2022 (AM-Bench 2022)
Presentation Title Topographic Measurements of Laser Tracks in Alloy 725 Bare Plate for an Additive Manufacturing Benchmark
Author(s) Richard E. Ricker, David Deisenroth, Brandon Lane, Jordan S. Weaver, Lyle E. Levine
On-Site Speaker (Planned) Richard E. Ricker
Abstract Scope Additive manufacturing of metals by powder bed fusion (PBF) is a process where a laser traverses a powder covered surface melting the powder and enough of the substrate to insure mixing and complete fusion after solidification. The layer of powder in this process adds a considerable amount of complexity. Therefore, a benchmark that incorporates the complexities of alloy melting and solidification, but without the stochastic influences of the powder layer, will benefit model development and validation. The objective of this work was to provide a benchmark for this type of process by measuring the topography of tracks created in bare alloy 725 plate by a laser traversing the surface with different energies and velocities. The surface topography was measured and quantified using confocal scanning laser microscopy. These results will be presented, discussed, and compared to similar measurements on Alloy 625 and other alloy systems.
Proceedings Inclusion? Undecided

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