What does this research mean for the field?

Simultaneous production in laser powder bed fusion significantly increases porosity levels in AlSi10Mg specimens, with increases of up to 19.8-fold compared to single-part builds. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This research examines how simultaneous multi-part fabrication influences porosity levels in AlSi10Mg specimens during laser powder bed fusion.

February 26, 2026Proceedings of the Institution of Mechanical Engineers Part E Journal of Process Mechanical Engineering

Investigation of the effect of simultaneous production on porosity in laser powder bed fusion

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This research examines how simultaneous multi-part fabrication influences porosity levels in AlSi10Mg specimens during laser powder bed fusion.
Conducted experiments on 10 × 10 × 5 mm AlSi10Mg specimens using laser powder bed fusion.
Used four distinct parameter sets with variations in scan speed, hatch spacing, and scan angle.
Established baseline porosity levels with single-part builds before examining simultaneous production.
Compared porosity levels between single-part and simultaneous multi-part builds under different geometrical conditions.
Single-part builds exhibited porosity levels ranging from 0.02% to 0.15%.
Simultaneous production resulted in porosity values increasing to 0.20–0.65%.
Sample 1 showed a 19.8-fold increase in porosity, while sample 3 increased nearly tenfold.
Higher porosity is attributed to inter-part thermal interactions and non-uniform energy redistribution.

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Implication

Investigation reveals that simultaneous multi-part fabrication increases porosity in AlSi10Mg components, indicating significant impacts on manufacturing quality.

Cite This Study

Toprak et al. (2026) studied this question.

synapsesocial.com/papers/699fe37b95ddcd3a253e755c https://doi.org/10.1177/09544089261420936

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Implication

Investigation reveals that simultaneous multi-part fabrication increases porosity in AlSi10Mg components, indicating significant impacts on manufacturing quality.

Investigation of the effect of simultaneous production on porosity in laser powder bed fusion

Key Points

Discussion

Implication

Cite This Study

Investigation of the effect of simultaneous production on porosity in laser powder bed fusion

Key Points

Discussion

Implication

Cite This Study

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