Analysis of welded joints using friction stir welding, metal inert gas and tungsten inert gas

Khourshid, A. M.; Sabry, Ibraheem

doi:10.15740/has/eti/7.1/1-7

Cited by 6 publications

(3 citation statements)

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“…From the analysis, it was concludedthat due to the presence of various alloying elements and post weld heat treatments the tensile strength and ductility of the base metal is significantly higher than the weld bead. Khoushid AM et al (Khourshid AM 2016) studied the mechanical properties of welded aluminum 6061pipe using three different types of welds.Weldments with rotation speed (1800 RPM) and travel speed 4mm/min of MIG, TIG and Friction welding were compared. The microstructure of the welds, including the nugget zone and heat affected zone, has been compared and concluded that the microhardness values are higher in the weld region of FSW joints compared to MIG and TIG.…”

Section: Introductionmentioning

confidence: 99%

Effect of Welding Current on Weldments Properties in MIG and TIG Welding

Hasan¹,

Ali²,

Alsaffawi³

2018

IJET

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Welding is an important process commonly used to join the different materials together. There are many methods for welding process;therefore, the specifications of weldments will depend on the type of welding process. In this study, investigation of the effect of electrical current on the weldment mechanical propertieswas conducted. Medium carbon steel & stainless steel were welded using two types of joints (single Lap joint and single v-groove Butt joint). The results showedthat the temperature increased with increasing the electrical current. A significant effect of electrical current on the ultimate tensile strength of the weldments is obtaineddepending on the joint type rather than welding type.Furthermore, there was a noticeable effect for the joining method on the heat generated.The heat generated increases with increasing the electrical current for all weldments (lap & butt) joint in both TIG & MIG welding process. However,the amount of heat generated was for TIG welding process specimens higher than from MIG welding process specimens for Butt and Lap type joints.

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Section: Introductionmentioning

confidence: 99%

Effect of Welding Current on Weldments Properties in MIG and TIG Welding

Hasan¹,

Ali²,

Alsaffawi³

2018

IJET

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“…A tool pin diameter of 5 mm, a tool rotational speed of 1800 rpm, and welding speed of 10 mm/min were found to be the optimal process parameters. Khoushrid et al [123] employed regression analysis to optimize the process parameters for joining aluminium alloy 6061 pipes using the FSW process. Te regression equations, which were the results of their investigation, are as follows:…”

Section: Employment Of Optimizationmentioning

confidence: 99%

A Contemporary Review on Friction Stir Welding of Circular Pipe Joints and the Influence of Fixtures on This Process

Senthil¹,

Kumar²,

Dennison

2022

Advances in Materials Science and Engineering

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The permanent metal joining processes play a vital role in assembling the complex aluminium structures of the aerospace, automotive, marine, and oil industries. The invention of friction stir welding (FSW) redefined the mechanism of metal joining to produce high-quality welds by eliminating the consumption of electrodes and shielding gases, resulting in economical processes. Research works still lack to explore the application of FSW in complex geometries. In this view, the present work reports a critical review of various geometries welded by FSW, mainly circular geometries that are majorly used in the oil and gas industries. The various aspects of the FSW of pipes, such as process facilitation, process parameters, tool material selection, and tool design selection are discussed. The paper also presents insights into the parameters responsible for the weld quality, the feasibility of optimization techniques, and the status of various fixture arrangements. The facilitation requisites for FSW of pipes are also provided based on the reviews made. The review concludes by discussing the challenges associated with the FSW of pipes, economic aspects, and future research directions.

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“…J. tusek with his colleagues [11] welded long L sections of steel by submerged arc welding with single, twin and triple wire and concluded that costs for welding with single wire was 20 % and 30 % higher than twin and triple-wire electrode respectively. Friction stir welding is cost effective for larger annual production; however, metal inter gas and tungsten inert gas for small-volume production in case of pipes welding [12]. The previous research has shown that the microdefects exist in the joints and leads to failure during service.…”

Section: Introductionmentioning

confidence: 99%

Selection of Joint Preparation Procedure based on Cost-effectiveness and Defects analysis of Double-V SMAW Joint

Khan,

Qayyum,

Wakeel

et al. 2023

IJANSER

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Double sided shielded metal arc welded joint has wide applications in fabrication sector for production of critical joints but the root pass in those joint leads to many defects, mainly due to the sudden cooling because the adjacent base material is at room temperature in the start of welding and compromises the quality of the weldments. In the fabrication industry, root pass removal is a routine practice for producing quality joints using grinding and air carbon arc gouging. In this research, comparative study of cost-effectiveness and defects analysis of the above root pass removal procedures have applied to the double-v mild steel shielded metal arc welded joint for the selection of better procedure. For cost calculation of joints, labor cost (LC), energy cost (EC), material cost (MC) and overhead cost taken into account and defects examined by the visual inspection, liquid penetrant test, radiographic test and optical microscope. The results showed overall 4.7% lower cost and enhanced quality in terms of macro/micro-defects for ground joint. The major contribution to the lower cost of ground joint has given by the consumables and energy but in defects analysis, only width difference in both sides’ reinforcement i.e., front and back have observed for gouged joint and relatively more numbers of micro-defects.

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Analysis of welded joints using friction stir welding, metal inert gas and tungsten inert gas

Cited by 6 publications

References 0 publications

Effect of Welding Current on Weldments Properties in MIG and TIG Welding

Effect of Welding Current on Weldments Properties in MIG and TIG Welding

A Contemporary Review on Friction Stir Welding of Circular Pipe Joints and the Influence of Fixtures on This Process

Selection of Joint Preparation Procedure based on Cost-effectiveness and Defects analysis of Double-V SMAW Joint

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