Effect of layer angle and ambient temperature on the mechanical and fracture characteristics of unidirectional 3D printed PLA material

Karimi, Hamid Reza; Khedri, Ehsan; Nazemzadeh, Nogol; Mohamadi, Razie

doi:10.1016/j.mtcomm.2023.106174

Materials Today Communications

2023

DOI: 10.1016/j.mtcomm.2023.106174

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Effect of layer angle and ambient temperature on the mechanical and fracture characteristics of unidirectional 3D printed PLA material

Hamid Reza Karimi

Ehsan Khedri

Nogol Nazemzadeh

et al.

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Cited by 4 publications

References 51 publications

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Mechanical, fracture, and environmental performance of greener polymer composites containing low to high micro fillers with recycled and byproduct origins

Khedri,

Karimi,

Mohamadi

et al. 2024

Polymer Composites

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Polymer adhesives have considerable mechanical and environmental privileges; however, their high price makes them uncommercial for common uses. This study investigates the incorporation of recycled or byproduct fillers in epoxy resin‐based composites to assess their mechanical properties, environmental impacts, and cost efficiency. The fillers examined include fly ash, glass powder, slag, silica powder, and limestone powder. Tensile, compressive, and fracture tests were conducted on composites with various filler proportions (0%–80% by weight). From microstructure observations, round (fly ash, glass powder) and rough (slag, silica, and limestone powder) morphologies are seen. Also, it is seen that all the fillers are well distributed in the matrix; with the increase of filler content, the air voids increase. The tensile and compressive results indicate that adding fillers improves the composite's strengths, with up to a 20% increase compared to neat epoxy resin. However, when filler contents exceed 40%, the strengths decrease. Fracture toughness values also decrease with increasing filler content. Comparing the results with those of other studies indicates the similarity of trends. Cost‐strength and CO2eq‐strength curves were evaluated to assess the financial and environmental aspects. The composites show potential for cost efficiency but may have some environmental drawbacks compared to traditional construction materials like cement concrete.Highlights The incorporation of recycled or byproduct fillers in epoxy resin composites. Examined fillers include fly ash, glass, slag, silica, and limestone powder. Tensile, compressive, flexural, and fracture tests were conducted. SEM and failure patterns were analyzed, and similar studies were compared. Cost‐strength and CO2eq‐strength data evaluated.

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Mechanical, fracture, and environmental performance of greener polymer composites containing low to high micro fillers with recycled and byproduct origins

Khedri,

Karimi,

Mohamadi

et al. 2024

Polymer Composites

Self Cite

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Optimized infill density through topological optimization increases strength of additively manufactured porous polylactic acid

Rilling,

Ríos,

Gómez

et al. 2023

Int J Adv Manuf Technol

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Composition optimization of PMMA base denture reinforced with different percentages of Nano Hydroxyapatite and alumina particles to obtain highest KIc and KIIc values using hybrid IWO/PSO algorithm

Wu,

Wang,

Mao

et al. 2023

Theoretical and Applied Fracture Mechanics

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Effect of layer angle and ambient temperature on the mechanical and fracture characteristics of unidirectional 3D printed PLA material

Cited by 4 publications

References 51 publications

Mechanical, fracture, and environmental performance of greener polymer composites containing low to high micro fillers with recycled and byproduct origins

Mechanical, fracture, and environmental performance of greener polymer composites containing low to high micro fillers with recycled and byproduct origins

Optimized infill density through topological optimization increases strength of additively manufactured porous polylactic acid

Composition optimization of PMMA base denture reinforced with different percentages of Nano Hydroxyapatite and alumina particles to obtain highest KIc and KIIc values using hybrid IWO/PSO algorithm

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