Effect of Part Orientation and Low-Temperature Annealing on Impact Toughness of Laser Powder Bed Fusion-Processed AlSi10Mg

This study investigates the impact of lattice designs and production parameters on the mechanical properties of AlSi10Mg fabricated using Laser Powder Bed Fusion (L-PBF). The research explores the production and performance of gyroid, diamond, and lidinoid lattice structures under varying scanning speeds (600, 900, 1,200 mm s−1). Key findings indicate that scanning speed significantly influences mechanical properties and energy absorption capabilities. The gyroid lattice structure produced at 600 mm s−1 exhibited the highest compressive strength (76.51 MPa) and energy absorption (28.57 MJ m−3). SEM-EDS analysis revealed no substantial structural defects, while porosity and microstructural deformations were observed at higher scanning speeds. Finite element simulations demonstrated localized buckling and fissure formation in lattice structures under compressive loads. The study highlights the critical role of production parameters in optimizing the mechanical performance of L-PBF-manufactured AlSi10Mg, offering insights into achieving cost and time efficiencies in additive manufacturing processes. This comprehensive analysis contributes to advancing the application of L-PBF in producing complex, high-performance aluminum alloy components for industrial use.

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Effect of Part Orientation and Low-Temperature Annealing on Impact Toughness of Laser Powder Bed Fusion-Processed AlSi10Mg

Cited by 3 publications

References 31 publications

Contact fatigue studies on L-PBF processed IN718 alloy tested under no slip condition

Contact fatigue studies on L-PBF processed IN718 alloy tested under no slip condition

Achieving superior strength-plasticity performance in laser powder bed fusion of AlSi10Mg via high-speed scanning remelting

Impact of lattice designs and production parameters on mechanical properties of AlSi10Mg in laser powder bed fusion

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