Optimization of welding parameters to attain maximum strength in friction stir welded AA7075 joints

Ravichandran, M.; Thirunavukkarasu, Mokkaiya; Shanmugam, Siva; Anandakrishnan, V.

doi:10.3139/120.110838

Cited by 19 publications

(6 citation statements)

References 23 publications

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“…Shojaeefard et al [12] optimized the FSW process parameters with different pin profile, rotational speed, welding speed, tilt angle, shoulder diameter, pin diameter, shoulder concave angle and penetration depth by using Taguchi orthogonal array. Ravichandran et al [13] studied the role of FSW process parameters like welding speed, tool rotation speed, tool pin profile and shoulder diameter of tool on the output of elongation percentage and tensile strength of the joint. Kimura et al [14] examined the optimized process parameters during the AA5052 friction welding process.…”

Section: Theoretical Referencementioning

confidence: 99%

Microstructural characterization of friction stir welded AA5083 aluminum alloy joints

Kathiresan,

Ragunathan,

Prabakaran

2023

ITEGAM

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The objective of the current work is to apply Taguchi L9 orthogonal array to enhance the welding process factors for friction stir welding (FSW) of AA5083 aluminium alloy plates. Using a randomized procedure, the Taguchi orthogonal array was implemented to identify the FSW process parameters such as the rotating speed of the tool, welding speed, and tilting angle of the tool. The optimum welding parameters for the ultimate tensile strength and hardness of the joints were predicted and the individual rank of each process parameter on the ultimate tensile strength and hardness of the friction stir weld was assessed by investigative ANOVA results and the S/N ratio (signal-to-noise ratio). The most desirable rotational speed of the tool, welding speed and tilting angle of the tool were 600 rev. per. min, 70 millimeter/min and 1o appropriately for the ultimate eluting strength and 600 rev. per. min, 80 millimeter/min and 1o correspondingly for summit joint hardness. The outcomes of Analysis of Variance (ANOVA) designated that the tilting angle of the tool has the higher statistical effect succeeded by the welding velocity and rotational speed of the tool. Furthermore, metallurgical properties of the weld cross-sections were investigated by using optical microscope (OM), scanning electron microscope (SEM), energy dispersive spectroscopy (EDS) analysis. The microstructure of the stir zone reveals finer grain structure, directed to the higher hardness, which gives rise to higher tensile strength.

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Section: Theoretical Referencementioning

confidence: 99%

Microstructural characterization of friction stir welded AA5083 aluminum alloy joints

Kathiresan,

Ragunathan,

Prabakaran

2023

ITEGAM

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“…The performance of the solar collector was explored by measuring the collector efficiency [3]. The identification of optimal parameter and significant parameter can be effectively propose through the computational techniques in various domain [4][5][6]. The angle of incidence of solar rays have a great impact on the energy production and the optimum tilt angle and orientation of collector improved the system performance by 15 % [7].…”

Section: Introductionmentioning

confidence: 99%

Performance Analysis of Solar Water Heater Through Computational Techniques

Kumaran,

Jaisankar*

2020

IJITEE

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By implementing the computational techniques, the solar water performance was analysed. Employing the orthogonal design, experiments were accompanied with the input variables L/D ratio, condition of twist and time. Using the recorded measurements nusselt number and efficiency were calculated and further it was optimized in a combined objectively manner. The optimal input variables to accomplish the higher performance of solar water heater is identified. Also, the dominance of input variables was identified with the statistical analysis for the combined objective

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“…Material Co 28 Cr 6 Mo was produced using the selective laser melting technique to investigate its wear properties, and the results showed higher wear compared with the forged material (Mróz et al , 2017). To identify the best set of elements with the given criteria by the mathematical formulations is referred as optimization, which widely implemented in all domains such as material characterization, machining, welding, forming, tribology, and so on (Ravichandran et al , 2016; Ravichandran and Anandakrishnan, 2015; Sahu et al , 2014; Saravanan et al , 2018; Selvan et al , 2018; Shantharaman et al , 2018; Mahamani et al , 2012). Taguchi is one of the effective methods, which was used to investigate the influence of wear parameters on the wear behaviour and also to optimize the parameters (Baskaran et al , 2014; Sathish et al , 2019).…”

Section: Introductionmentioning

confidence: 99%

Dry sliding wear behavior of Inconel 718 additively manufactured by DMLS technique

Anandakrishnan

Sathish

Duraiselvam

et al. 2020

ILT

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Purpose Aerospace and defence industries use the materials having better properties at elevated temperatures, and Inconel 718 is one of that. The complexity in realizing complex and intricate shapes necessitate the product realization through additive manufacturing. This paper aims to investigate the wear behaviour of additive manufactured material. Design/methodology/approach The wear behaviour of additively manufactured Inconel 718 samples through direct metal laser sintering process at three different build orientations was experimentally investigated using a standard pin-on-disc wear tester. Findings Among the varied wear parameters, the load was identified as the most influencing parameter on the wear rate. In addition, the post-failure analysis of the worn surface of the pins under the scanning electron microscopy revealed the presence of various wear mechanisms. Originality/value Almost, the industries are now focussed on their production through additive manufacturing owing to its advantages. The present work displays the wear behaviour of the additive manufactured Inconel 718 and its associated wear mechanisms. Peer review The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-08-2019-0322.

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Optimization of welding parameters to attain maximum strength in friction stir welded AA7075 joints

Cited by 19 publications

References 23 publications

Microstructural characterization of friction stir welded AA5083 aluminum alloy joints

Microstructural characterization of friction stir welded AA5083 aluminum alloy joints

Performance Analysis of Solar Water Heater Through Computational Techniques

Dry sliding wear behavior of Inconel 718 additively manufactured by DMLS technique

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