Friction stir welding/processing of polymeric materials

Barmouz, Mohsen; Shahi, Peyman; Asadi, Parviz

doi:10.1533/9780857094551.601

Cited by 33 publications

(18 citation statements)

References 10 publications

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“…For improving production efficiency and reducing the costs with lower environmental effect in electronic, automobile, and aerospace devices, the benefits of good corrosion resistance, high specific strength, processing ability, and excellent design freedom have the potential in polymers and polymer matrix composites (PMCs) [1,2]. e joining technology of welding techniques like adhesive bonding and mechanical fastening is required for the large and complex parts fabrication [3].…”

Section: Introductionmentioning

confidence: 99%

[Retracted] Experimental Investigation and Optimization on Friction Stir Welding of Nylon 6A Using Taguchi and ANOVA with Microstructural Analysis

Kumar

Rajesh³

et al. 2021

Advances in Materials Science and Engineering

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Friction stir welding is an environmentally friendly process of joining due to the nonusage of flux, or any shield gas, and it does not produce any harmful gases when compared to the joining process of fusion. Therefore, this article proposes an experimental investigation and optimization technique for studying the process of FSW on nylon 6A or polycaprolactam polymer composite plates. Specifically, the influence of input operating process parameters such as tool rotational speed (TRS), feed rate, and pitch values on the output response parameters like ultimate tensile strength (UTS) and hardness of welded joints is examined. In addition, L27 orthogonal array of Taguchi approach is employed for the optimization of design experiments of FSW parameters. The experimental setup is carried out with various process parameter combinations like 500 rpm, 1000 rpm, and 1500 rpm as TRS, and 30 mm, 40 mm, and 50 mm as feed rate by varying the pitch values as 1 mm, 2 mm, and 3 mm. Further, the analysis of variance (ANOVA) is also employed for finding the significant parameters of input process using the regression analysis equations. Finally, microstructural analysis is used to assess the mixing or dispersing uniformity of composites effectively.

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Section: Introductionmentioning

confidence: 99%

[Retracted] Experimental Investigation and Optimization on Friction Stir Welding of Nylon 6A Using Taguchi and ANOVA with Microstructural Analysis

Kumar

Rajesh³

et al. 2021

Advances in Materials Science and Engineering

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“…Several methods are available to join the thermoplastics, viz. vibration method, implants, radio frequency, and heating method [3][4][5]. Because of these different variants of joining methods, anything conceivable can be constructed using thermoplastics [6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Investigating friction spin welding of thermoplastics in shear joint configuration

2021

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The welding of thermoplastic pipes under a shear joint configuration using friction spin welding is investigated. The shear joint configuration consists of two cylindrical and concentric polypropylene plastic parts joined with each other at their interfacing cylindrical surfaces through frictional heat generation. The effects of welding pressure and rotational velocity on the joint overlap distance and joint strength between the parts of polypropylene plastic are evaluated. The study is of a specific application in making plastic pressure vessels and joining of pipes. The joint strength is tested by conducting the hydraulic pressure burst test. The burst test is conducted for welded specimens manufactured using different values of rotational velocity and welding pressure. It is observed that at the constant spin velocities, the welding pressure in the range 64.8 to 65.2 kPa produced better joint strength than the other values of welding pressure in the overall range 64–76 kPa. It is concluded that the suitable welding pressure range to manufacture polypropylene plastic pressure vessels in the shear joint configuration using friction spin welding is 64.5 to 65.2 kPa. Further, it is established that the user can control the joint overlap distance at 64.8 kPa welding pressure by selectively controlling the rotational velocity in the range of 700 to 2500 rpm.

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“…Several authors explained unanimously that continuous heat generation and plastic deformation are necessary to establish the visco-plastic conditions for the material to flow and to achieve good amalgamation. Usually in practice, the tool is tilted at an angle of 2-4° (Barmouz et al , 2014). The tilt angle of the tool is represented in Figure 7.…”

Section: Process Parametersmentioning

confidence: 99%

“…And pin diameter is determined by the required pin’s strength and wear resistance (Arulmoni, 2015). And, the pin while rotating mainly drags, plasticizes and mixes the adjacent material presents in the stir zone (SZ) (Padhy et al , 2017), the highest grain refinement, hardness, friction and wear properties were evident with threaded taper cylindrical pin, while properties like ductility and tensile strength were boosted with a square pin tool (Barmouz et al , 2014).…”

Section: Process Parametersmentioning

confidence: 99%

Surface development by reinforcing nano-composites during friction stir processing – a review

Swathi

Raju

Ramulu

2019

JEDT

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Purpose Friction stir processing (FSP) is overviewed with the process variables, along with the thermal aspect of different metals. Design/methodology/approach With its inbuilt advantages, FSP is used to reduce the failure in the structural integrity of the body panels of automobiles, airplanes and lashing rails. FSP has excellent process ability and surface treatability with good corrosion resistance and high strength at elevated temperatures. Process parameters such as rotation speed of the tool, traverse speed, tool tilt angle, groove design, volume fraction and increase in number of tool passes should be considered for generating a processed and defect-free surface of the workpiece. Findings FSP process is used for modifying the surface by reinforcement of composites to improve the mechanical properties and results in the ultrafine grain refinement of microstructure. FSP uses the frictional heat and mechanical deformation for achieving the maximum performance using the low-cost tool; the production time is also very less. Originality/value 100

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Friction stir welding/processing of polymeric materials

Cited by 33 publications

References 10 publications

[Retracted] Experimental Investigation and Optimization on Friction Stir Welding of Nylon 6A Using Taguchi and ANOVA with Microstructural Analysis

[Retracted] Experimental Investigation and Optimization on Friction Stir Welding of Nylon 6A Using Taguchi and ANOVA with Microstructural Analysis

Investigating friction spin welding of thermoplastics in shear joint configuration

Surface development by reinforcing nano-composites during friction stir processing – a review

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