An investigation on the friction stir welding of PP/TiO2 nanocomposites for improving the tensile strength and hardness of the weld joint

Samadi, Mohammad Reza; Ayaz, Mohsen; Afshari, Mahmoud; Afkar, Amir

doi:10.1007/s00396-023-05080-7

Colloid Polym Sci

2023

DOI: 10.1007/s00396-023-05080-7

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An investigation on the friction stir welding of PP/TiO2 nanocomposites for improving the tensile strength and hardness of the weld joint

Mohammad Reza Samadi

Mohsen Ayaz²,

Mahmoud Afshari

et al.

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Cited by 7 publications

References 41 publications

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Optimization of FFF process parameters to improve the tensile strength and impact energy of polylactic acid/carbon nanotube composite

Hardani,

Afshari,

Allahyari

et al. 2024

Polymer Engineering & Sci

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In this study, the process parameters of fused filament fabrication are optimized to improve the tensile strength and impact energy of polylactic acid/carbon nanotube (PLA/CNT) composite. Hence, the utility function (UF) technique and response surface method (RSM) are applied to explore the optimal levels of the effective parameters of print speed, nozzle temperature, and CNT content. The differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), and SEM analyses are employed to examine the thermal properties of the printed samples. The results of DSC and TGA analyses exhibited that the incorporation of CNT into PLA enhanced the thermal strength of PLA/CNT composite. The addition of CNTs in the composite improved the tensile strength by 37%, while the addition of CNTs up to 4 wt% improved the impact energy by 29%. Moreover, an increment of the print speed to 60 mm/s reduced the impact energy (12%) and tensile strength (22%), while an increment of the nozzle temperature to 200°C enhanced the impact energy (9%) and tensile strength (12%). The optimization results demonstrated that the strength and impact energy of PLA/CNT composite optimized at CNT content of 2.8 wt%, print speed of 20 mm/s, and nozzle temperature of 209°C. Additionally, the impact energy and tensile strength of the PLA/CNT composite enhanced up to 62.5 MPa and 2.14 J at the optimum conditions.Highlights Application of FFF process for producing the PLA/CNT composite Investigating the impact of FFF parameters on the mechanical properties Estimating the optimal conditions of the FFF process

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Optimization of FFF process parameters to improve the tensile strength and impact energy of polylactic acid/carbon nanotube composite

Hardani,

Afshari,

Allahyari

et al. 2024

Polymer Engineering & Sci

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show abstract

Simultaneous enhancement of the impact strength and tensile modulus of PP/EPDM/TiO2 nanocomposite fabricated by fused filament fabrication

Taher,

Afshari,

Houmani

et al. 2023

Colloid Polym Sci

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Studying the effects of FDM process parameters on the mechanical properties of parts produced from PLA using response surface methodology

Afshari,

Taher,

Alavi

et al. 2024

Colloid Polym Sci

Self Cite

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Today, additive manufacturing methods have received attention in various elds due to simplicity of the process, high production speed, as well as good physical and mechanical characteristics of printed parts. In this research, the effect of parameters such as the stacking angle, in ll extrusion width, layer thickness, and bed temperature on the tensile strength, tensile force, impact energy, and exural strength of PLA printed samples was investigated. To achieve the relationship between the input and output variables as well as the optimal conditions of the process parameters, the response surface methodology and the desirability function technique were used. The results showed that the tensile strength, tensile force, impact energy and exural strength can be improved at stacking angle of 13.5º, in ll extrusion width of 145%, layer thickness of 0.2 mm and bed temperature of 110 º C. In addition, when the optimal conditions of the process parameters are applied, the tensile strength, tensile force, impact energy and exural strength are improved to 38.43 MPa, 1.48

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An investigation on the friction stir welding of PP/TiO2 nanocomposites for improving the tensile strength and hardness of the weld joint

Cited by 7 publications

References 41 publications

Optimization of FFF process parameters to improve the tensile strength and impact energy of polylactic acid/carbon nanotube composite

Optimization of FFF process parameters to improve the tensile strength and impact energy of polylactic acid/carbon nanotube composite

Simultaneous enhancement of the impact strength and tensile modulus of PP/EPDM/TiO2 nanocomposite fabricated by fused filament fabrication

Studying the effects of FDM process parameters on the mechanical properties of parts produced from PLA using response surface methodology

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