Investigations into the mechanical, morphological and thermal analyses of friction stir processing of high-density polyethylene composites

Gao, Jicheng; Li, Chao; Shen, Yuan

doi:10.1177/0954405416666892

Cited by 8 publications

(3 citation statements)

References 31 publications

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“…Recrystallization occurs in this region due to the very high temperature. [48][49][50] The region ''G'' is denoted as the nugget region near the shoulder. In this region, the basin-shaped nugget zone is produced.…”

Section: Microstructure Investigationmentioning

confidence: 99%

An experimental insight of friction stir welding of dissimilar AA 6061/Mg AZ 31 B joints

Hynes¹,

Prabhu

Velu³

et al. 2021

Proceedings of the Institution of Mechanical Engineers, Part B:

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In the present scenario, aerospace and automobile industries depend on lightweight materials such as magnesium and aluminum alloys because of their great balance between mechanical properties and weight ratio. Despite these benefits during the joining process of these dissimilar materials by welding, many challenges arises. The prominent one is related to the low melting points of these lightweight metals which make it almost impossible the joining using conventional arc welding techniques. To tackle this challenge, Friction Stir Welding (FSW) can be considered as a promising candidate tool. In this study, to demonstrate the FSW performances of joining two dissimilar materials we have investigated the joining of AA 6061 and Mg AZ 31 B using a built-in house a modified milling machine. The dissimilar combinations of AA 6061 and Mg AZ 31 B joints were successfully joined by embedding different welding conditions and varying the offset distance. The mechanical performances were evaluated by conducting specific mechanical tests such as micro-hardness, tensile, and impact tests, respectively. To explain the mechanical results, we have applied optical microscopy observation on the microstructure associated with the bonding location. The results prove that the strength of the Friction Stir Welded joints is much higher as compared to other techniques especially in terms of dissimilar metals.

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Section: Microstructure Investigationmentioning

confidence: 99%

An experimental insight of friction stir welding of dissimilar AA 6061/Mg AZ 31 B joints

Hynes¹,

Prabhu

Velu³

et al. 2021

Proceedings of the Institution of Mechanical Engineers, Part B:

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show abstract

“…However, research on SFSP of polymer composites has still limitation. Gao et al fabricated HDPE/MWCNTs and HDPE/Cu composites by SFP, and they showed that the SFSP technique was a practical way to fabricate polymeric composites [93,94].…”

Section: Fsw Processmentioning

confidence: 99%

Application and exploration of friction stir welding/processing in plastics industry

Gao

Cui

Liu

et al. 2017

Materials Science and Technology

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Friction stir welding (FSW) is a green, pollution-free, low-energy technology with high manoeuvrability. Thermoplastic plastics have extensive applications in the present industry because they offer excellent physical and corrosion properties, high degree freedom of processing and design. In this paper, the current state of FSW/P in plastics industry, including tool improvement, welding methods, process parameters optimisation, metal and polymer joining as well as composites fabrication, has been addressed. Although it presents a major challenge, FSW/P has a great potential to produce defect-free joint and fabricate composites in polymer materials.

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“…Using FSP for development of foam enhances the process capability and also at the same time reduces the manufacturing cost. 7,8 In this regard Hangai et al utilized the FSP for development of precursors to produce foam. 9,10 In his approach a mixture of foaming agent (TiH 2 ) and stabilizing agents are placed between two aluminum plates.…”

Section: Introductionmentioning

confidence: 99%

Effect of Process Parameters on Mechanical Properties of Aluminum Composite Foam Developed by Friction Stir Processing

Rathore¹,

Singh

Khan³

2021

Proceedings of the Institution of Mechanical Engineers, Part B:

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The underwater friction stir processing is used for development of aluminum metal matrix composite (AA2219-Y2O3) foam. For development of foam, holes with different diameter in the mid thickness of plate were filled with a mixture of TiH2 and aluminum powder and underwater friction stir processing was used to mix this mixture in aluminum metal matrix composite. Then precursors extracted from the processed zone and heated upto 650°C in a furnace for development of foam. The effect of diameter of hole, number of passes and the tool rotation direction has been studied on the foam cell size and static and dynamic compressive behavior of the foam. It is found that as the diameter of hole increases, the size of pores increases. The distribution of pores is better with higher number of passes and increasing the hole diameter. The quality of foam further improves by reversing the tool rotation direction. The developed foam has different pore size varies from 0.7 to 2.7 mm depends on the FSP parameters. Based on the size of pores and their distribution the relative density ranges from 0.1 to 0.78. The foam produced with 4 mm hole diameter has best static and dynamic compression properties.

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Investigations into the mechanical, morphological and thermal analyses of friction stir processing of high-density polyethylene composites

Cited by 8 publications

References 31 publications

An experimental insight of friction stir welding of dissimilar AA 6061/Mg AZ 31 B joints

An experimental insight of friction stir welding of dissimilar AA 6061/Mg AZ 31 B joints

Application and exploration of friction stir welding/processing in plastics industry

Effect of Process Parameters on Mechanical Properties of Aluminum Composite Foam Developed by Friction Stir Processing

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