A Comparative Study of the Mechanical Properties of Single and Double Sided Friction Stir Welded Aluminium Joints

Kumar, Ajay; Varghese, Saji; Sivapragash, M.

doi:10.1016/j.proeng.2012.06.452

Cited by 24 publications

(18 citation statements)

References 4 publications

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“…ese features have brought attention towards this material such that it became the best material suitable for building the aircraft structures, ship structures, and automotive components. e other benefit of using aluminium is that its weight lightness contributes to the reduction of power consumption [3]. e 5083-H111 aluminium alloy (AA) from the wrought alloy 5xxx series was selected to be utilized in this paper.…”

Section: Introductionmentioning

confidence: 99%

Effect of Friction Stir Processing on Gas Tungsten Arc-Welded and Friction Stir-Welded 5083-H111 Aluminium Alloy Joints

Mabuwa

Msomi

2019

Advances in Materials Science and Engineering

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This paper presents the analysis of the friction stir-processed aluminium alloy 5083-H111 gas tungsten arc-welded and friction stir-welded joints. The comparative analysis was performed on the processed and unprocessed gas tungsten arc-welded and friction stir-welded joints of similar aluminium alloy 5083-H111. The results showed a clear distinction between the friction stir processed joints and unprocessed joints. There is a good correlation observed between the microstructural results and the tensile results. Ultrafine grain sizes of 4.62 μm and 7.177 μm were observed on the microstructure of the friction stir-processed friction stir-welded and gas tungsten arc-welded joints. The ultimate tensile strength for friction stir-welded and gas tungsten arc-welded before friction stir processing was 153.75 and 262.083 MPa, respectively. The ultimate tensile strength for friction stir processed friction stir-welded joint was 303.153 MPa and gas tungsten arc-welded joints one was 249.917 MPa. The microhardness values for the unprocessed friction stir-welded and gas tungsten arc-welded joints were both approximately 87 HV, while those of the friction stir-processed ones were 86.5 and 86 HV, respectively. The application of friction stir processing transformed the gas tungsten arc morphology from brittle to ductile dimples and reduced the ductile dimple size of the unprocessed friction stir-welded joints from the range of 4.90–38.33 μm to 3.35–15.59 μm.

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Section: Introductionmentioning

confidence: 99%

Effect of Friction Stir Processing on Gas Tungsten Arc-Welded and Friction Stir-Welded 5083-H111 Aluminium Alloy Joints

Mabuwa

Msomi

2019

Advances in Materials Science and Engineering

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“…Samples were welded by different tools in one and two passes. For the two-pass welding, since different mechanical properties could be achieved regarding the rotational direction of the tools [20], rotational direction was inversed in the second pass. Based on the results obtained from the tensile tests, the most suitable tool and the number of passes (to achieve the maximum ultimate tensile strength) was used in the next welds.…”

Section: Materials and Experimental Methodsmentioning

confidence: 99%

Effects of process parameters on tensile strength of friction stir welded Al-Cu double-layer sheets

Tabrizi

Mostahsan

Sedighi

2020

Mechanics & Industry

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In this paper, friction stir welding (FSW) process was used to join double-layer sheets of pure copper and 1050 aluminum alloy produced by explosive welding (EXW). The double-layer sheets were arranged side by side to perform friction stir butt-welding. In this regard, rotary FSW tools with different geometries were used at rotational speeds of 800 and 1250 rpm and linear speeds of 8, 12, and 20 mm min‑1, in one and two number of passes. According to the results, the sample welded by a conical tool with a rotational speed of 800 rpm and a linear speed of 12 mm min‑1 in one pass offered the highest tensile strength, which was approximately equivalent to the 84% of the strength of the raw double-layer sheet. In addition, applying the second FSW pass and using a threaded tool from the aluminum side had negative effects on the tensile strength. The microstructural evaluation showed the presence of more intermetallic phases including Al4Cu9, AlCu, and Al2Cu in the sample welded by the threaded tool from the aluminum side in two number of passes, which was the responsible of the lower tensile strength and the higher microhardness.

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“…In order to analyze the metallurgical structure and joint strength in the welded parts, the effects of single-and double-pass FSW lap joining of AA5456 sheets with different thicknesses is studied by Behmand et al [114]. Moreover, Kumar et al [115] presented a comparative study of the mechanical properties in single-and double-sided friction stir-welded aluminum alloy joints so to investigate the mechanical properties like surface hardness and tensile strength of the welded parts.…”

Section: Effect Of Single and Double Passes To Microstructures And Mementioning

confidence: 99%

“…of welded parts are investigated [108,109,110,111,112,113,114,115] to increase the quality of produced parts using FSW. The FSW process is an effective method in the joining process by providing good properties in strength, ductility, fatigue, and fracture toughness of the welded parts.…”

Section: Aa5456 Sheets Of Aluminum Alloymentioning

confidence: 99%

Recent Development in Friction Stir Welding Process: A Review

Soori¹,

Asmael²,

Solyalı³

2020

SAE Int. J. Mater. Manf.

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The Friction stir welding (FSW) is recently presented so to join different materials without the melting process as a solid-state joining technique. A widely application for the FSW process is recently developed in automotive industries. To create the welded components by using the FSW, the plunged probe and shoulder as welding tools are used. The Finite Element Method (FEM) can be used so to simulate and analyze material flow during the FSW process. As a result, thermal and mechanical stresses on the workpiece and welding tool can be analyzed and decreased. Effects of the welding process parameters such as tool rotational speed, welding speed, tool tilt angle, depth of the welding tool, and tool shoulder diameter can be analyzed and optimized so to increase the efficiency of the production process. Material characteristics of welded parts such as hardness or grain size can be analyzed so to increase the quality of part production. Residual stress, strain, deformation, and estimations of the temperatures in the welding area can be predicted using the simulation of FSW in the FEM software. Heat generation, thermal, and thermomechanical analyses can also be implemented on the welded parts to analyze the distribution of temperature and strain in the heat-affected zone (HAZ). Moreover, welding operations of dissimilar metals can be analyzed using numerical simulation to increase the capabilities of the welding methodology in different industrial applications. In this article, a review of the FSW process is presented. As a result, the research filed can be moved forward by reviewing and analyzing recent achievements in the published papers. This article is part of a Special Issue on Lightweighting Materials for Automotive Applications.

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A Comparative Study of the Mechanical Properties of Single and Double Sided Friction Stir Welded Aluminium Joints

Cited by 24 publications

References 4 publications

Effect of Friction Stir Processing on Gas Tungsten Arc-Welded and Friction Stir-Welded 5083-H111 Aluminium Alloy Joints

Effect of Friction Stir Processing on Gas Tungsten Arc-Welded and Friction Stir-Welded 5083-H111 Aluminium Alloy Joints

Effects of process parameters on tensile strength of friction stir welded Al-Cu double-layer sheets

Recent Development in Friction Stir Welding Process: A Review

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