INFLUENCE OF STRUCTURAL DEFECTS IN PRODUCTS MADE FROM ALSI10MG ALLOY BY PBF-LB/M ADDITIVE TECHNOLOGY ON THE FINAL MECHANICAL PROPERTIES
DOI:
https://doi.org/10.34185/1991-7848.itmm.2025.01.004Keywords:
laser-based powder bed fusion, silumin, defects in materials, norms and methods of control, strength, modeling of properties.Abstract
The production of metal parts using PBF-LB/M technology, characterized by machine incremental fusion of volumes, leads to the formation of unique (atypical) structures and defects (voids) with a specific character of location, which impacts the final set of mechanical properties. Currently, standards do not regulate the control and permissible level of defects arising from this technology, but they are indirectly assessed through controlling mechanical properties, which have wide tolerance ranges. Investigating the influence of technology parameters on properties is more effective with a materials science-based approach that considers both the impact of structure and the presence of defects, as it simplifies calculations for modeling tasks. This paper suggests utilizing defect level characteristics and structure morphology to determine the mechanical properties of the AlSi10Mg alloy.
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