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About this Abstract
Meeting 2026 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2026)
Symposium 2026 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2026)
Presentation Title Towards microstructure control in molten metal jetting using airborne ultrasound
Author(s) Alexander Martinez-Marchese, Tao Liu, Chinedum Okwudire
On-Site Speaker (Planned) Tao Liu
Abstract Scope Molten metal jetting (MMJ) or Liquid metal drop-on-demand is a recently developed AM process in which an actuator releases individual droplets of molten metal to build a component layer-by-layer. This process has many advantages, including higher build rates and lower part-level residual stresses. In this work, we investigate the effect of a focused airborne ultrasound field from a phased array on the molten metal droplets as they reach the part being built, as well as changes in grain refinement, morphology, and texture in the resulting component.
Proceedings Inclusion? Undecided

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