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Numerically evaluating the effect of pin geometries on interlayer material mixing and thermo-mechanical characteristics during additive friction stir deposition (AFSD)
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DOI：10.1016/j.cirpj.2026.05.012.png)
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Abstract
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• A tool with five pin designs is proposed to enhance interlayer bonding. • A 3D CFD model is developed to study interlayer mixing, material flow, and thermal distribution. • Results show strong interlayer bonding with triangular pin. • The finding provides insight into the effect of pin designs on interlayer bonding. • Improving the anisotropic behaviour of the printed component for high-tech applications.
Keywords:
Additive manufacturing
Additive friction stir deposition
AFSD
Metal 3D printing
AFSD tool design
AFSD tool optimization
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