October 1, 2025Open Access

Variations in Fusion Zone Geometry, Cooling Rates, and Solidification Parameters During Adjustable Mode Beam Laser Powder Bed Fusion

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Numerical models reveal effects of laser settings on fusion zone geometry and cooling rates in LPBF, suggesting optimized parameters.

The study shows that adjusting the ring beam power significantly influences pool dimensions and cooling rates.
The findings reported include that a higher ring beam power percentage correlates with both greater pool width and reduced peak temperature.
A finite element method-based model was developed to analyze temperature fields and solidification parameters during adjustable mode beam LPBF.
These results highlight important strategies for refining processing conditions to enhance AMB-LPBF manufacturing efficiencies.

Sinha et al. (2025) studied this question.

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