Effect of multiple process parameters on optimizing tensile properties for material extrusion-based additive manufacturing

Vălean, Cristina; Baban, Marian; Rajak, Dipen Kumar; Linul, Emanoil

doi:10.1016/j.conbuildmat.2024.135015

Cited by 11 publications

(1 citation statement)

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“…Secondly, through selecting materials with appropriate elastic modulus, yield strength, toughness, and lightweight properties [38,39], the mechanical performances and total weight of deformable honeycombs can be optimized and improved. Finally, the control and precision of manufacturing process parameters, such as printing speed, nozzle size, infill density, infill pattern, nozzle temperature, bed temperature, and layer height, are crucial for ensuring the manufacturing qualities and performances of deformable honeycomb structures [40][41][42][43]. By optimizing or altering the geometrical parameters, material properties, or manufacturing process parameters, the desired shape-shifting capabilities and multifunctional performances of honeycomb structures can be met for the requirements of various application fields.…”

Section: Introductionmentioning

confidence: 99%

Effect of manufacturing process parameters on the compression and energy absorption properties of 4D-printed deformable honeycomb structure

Peng,

Han,

Liu

et al. 2024

Smart Mater. Struct.

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Four-dimensional-printed deformable honeycombs can produce pro-programmed shape deformation and different properties under external stimuli, and the manufacturing process parameters are the dominant factors affecting the microstructure and properties of the manufactured honeycomb structures. Although many researchers have investigated the effects of manufacturing process parameters on the mechanical properties of printed materials, there is still a lack of research on the relationship between manufacturing process parameters and properties of honeycomb structures. Therefore, a novel honeycomb structures which has two configurations under temperature stimuli is proposed, and the optimum manufacturing processes for the printing of this honeycomb are selected considering the compression and energy absorption properties simultaneously. The novel honeycomb is designed and printed with fused deposition modeling technology, which have hexagonal configuration (Structure I) and semi-triangular configuration (Structure II) under external temperature stimulus. The energy absorption capacity of Structure I and compressive properties of Structure II are investigated under different manufacturing process parameters. The experimental results indicate that the layer thickness has the most significant impact on the mechanical performance of deformable honeycombs. The combination of a layer thickness of 0.2 mm, printing speed of 40 mm s−1, and 100% infill density are the best process parameters for the novel deformable honeycomb structures.

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