About this Abstract |
| Meeting |
2026 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2026)
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| Symposium
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2026 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2026)
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| Presentation Title |
Design and Experimental Validation of a Dual Halbach Cylinder for Magnetic Field Assisted Additive Manufacturing. |
| Author(s) |
Sk Sazin Ahmed, Josh Del Bosque, Luke Del Thibodeaux, James Del Villines, Leo Rodriguez, Jitendra Tate, Wilhelmus J. Geerts |
| On-Site Speaker (Planned) |
Sk Sazin Ahmed |
| Abstract Scope |
A compact dual Halbach cylinder system for Magnetic Field Assisted Additive Manufacturing of Magnetic composites was designed and realized. The Halbach’s magnetic field is tunable (0-1373 Oe) and generates a uniform magnetic field (deltaH<10% across a 2 cm diameter at Hmax), through the relative rotation of two Halbach cylinders. No power supply is required to control the magnetic field direction and magnitude.
Three-dimensional finite element simulations were conducted using COMSOL Multiphysics to define the geometry, optimize magnet orientation, and calculate bore field and field uniformity. An additive-manufactured PLA design was realized with an outer cylinder of 16 and an inner cylinder of 12 NdFeB 0.5”-cube magnets, and characterized using a Gauss probe. The design enabled manual rotation and reduced field gradients to limit sedimentation in a strontium-ferrite resin suspension over 30 minutes, providing a practical magnetic platform for SLA MFAAM using a 2 cm diameter VAT. |
| Proceedings Inclusion? |
Undecided |