The mechanical properties of dissimilar/similar polymer materials joined by friction stir welding

Anaç, Nergizhan

doi:10.1016/j.heliyon.2023.e17627

Cited by 7 publications

(1 citation statement)

References 40 publications

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“…Additionally, it has been reported that the addition of nano powder to the welding process increases the weld strength [5], Forcellese et al [6] used ABS Plus P430 material and Tiwary et al [8] conducted various studies examining the effects of friction stir welding parameters on the mechanical performance of welded joints using ABS and PETG plates. Anaç [7] investigated the joinability of PLA Plus/PLA Plus, HDPE/HDPE and PLA Plus/HDPE plates by FSW using two different pin geometries (square and triangle), two different tool feed rates (30 mm/min and 50 mm/min) and two different rotational speed (1000 rpm and 1500 rpm) process parameters. The highest weld strength was obtained at triangle pin geometry, 1000 rpm rotational speed and 50 mm/min traverse speed for joining PLA Plus plates and at square pin geometry, 1500 rpm rotational speed and 50 mm/min traverse speed for joining HDPE plates.…”

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confidence: 99%

Investigation of The Weldability of PLA Plus Sheets with Different Infill Ratios by Friction Stir Welding

Anaç,

Koçar,

Altuok

2024

Gazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım Ve Teknoloji

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Although the joining processes of plastics are typically carried out through welding, adhesive bonding, or mechanical fastening elements, the production of complex and large parts often requires welding technology. In this study, the effect of part infill ratio (20%, 40%, 60%, 80%, and 100%) on the welding strength of 3D printed PLA Plus parts was evaluated through friction stir welding (FSW). Tensile tests and temperature measurements were carried out to examine the effects of friction stir welding process parameters (feed rate: 50 and 100 mm/min and rotational speed: 1000 and 1500 rpm) on the structure and mechanical properties of friction stir welding. Moreover, visual inspections were performed to detect defects in the weld zone. Compared to the PLA Plus samples given as reference according to the infill ratios, the highest welding strengths were obtained at 80%, 60% and 100% infill ratios (29.4 MPa, 17.47 MPa and 41.12 MPa and 112.38%, 97.48%, 87.04% efficiency, respectively). As a result, it was determined that at low infill ratios (20% and 40%), the weld quality was negatively affected, and a surface tunnel defect occurred in the weld zone. It has been determined that the weld quality in FSW is significantly affected by the temperature occurring during the process. The study has shown that parts printed at different infill ratios, especially on a 3D printer, can be combined with friction stir welding and that the efficiency of the welding process can be increased by optimizing the infill ratios.

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Section: Introduction (Gi̇ri̇ş)mentioning

confidence: 99%

Investigation of The Weldability of PLA Plus Sheets with Different Infill Ratios by Friction Stir Welding

Anaç,

Koçar,

Altuok

2024

Gazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım Ve Teknoloji

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Effect of process parameters on the mechanical behavior of additively manufactured and FSW joined PLA wood sheets

Koçar,

Anaç,

Palaniappan

et al. 2023

Polymer Composites

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Friction stir welding (FSW), a solid‐state joining method, is an innovative technique widely employed in the welding of thermoplastics, with broad application areas such as the automotive and aerospace industries. Due to its inherent advantages, including ease of processing, biodegradability, and printability, polylactic acid (PLA) and its derivatives are notably the most commonly used polymers in 3D printing. The limited print area of 3D printers necessitates post‐production joining processes. In this study, the weldability of plates obtained using PLA Wood filament through the FSW is evaluated. For this purpose, different pin geometries (triangle, square, and screw), feed rates (20, 40, and 60 mm/min), and tool rotation speeds (1250, 1750, and 2250 rpm) are employed. Visual inspections are conducted to determine the effects of process parameters on weld quality and to identify defects in the weld region. Temperature values are measured to investigate the influence of heat generated during the FSW process. Furthermore, after determining the highest weld strengths achieved for each pin geometry, the weldability of PLA Wood material with PLA‐CF and PLA Plus materials is investigated using these parameters. The results indicate that the highest weld quality for joining PLA Wood plates is achieved using the square pin geometry, 20 mm/min feed rate, and 1750 rpm with an efficiency of 74.5%. When welding PLA Wood with PLA‐CF and PLA Plus, high weld strengths are obtained using the same process parameters (square pin, 20 mm/min, and 1750 rpm).Highlights Friction stir welding process of 3D printed PLA Wood material. Friction stir welding process of dissimilar materials pairs. Effect of welding parameters on weld strength and hardness. Identifying the fracture surface images occurring in parts after friction stir welding. Examination of temperature generation during friction stir welding.

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Investigating on the macroscopic morphology, microstructure and mechanical properties of Al0.3CoCrFeNi-HEA/304 stainless steel dissimilar welded joints

Sui,

Zhao,

Ren

et al. 2024

CIRP Journal of Manufacturing Science and Technology

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The mechanical properties of dissimilar/similar polymer materials joined by friction stir welding

Cited by 7 publications

References 40 publications

Investigation of The Weldability of PLA Plus Sheets with Different Infill Ratios by Friction Stir Welding

Investigation of The Weldability of PLA Plus Sheets with Different Infill Ratios by Friction Stir Welding

Effect of process parameters on the mechanical behavior of additively manufactured and FSW joined PLA wood sheets

Investigating on the macroscopic morphology, microstructure and mechanical properties of Al0.3CoCrFeNi-HEA/304 stainless steel dissimilar welded joints

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