Modified GMAW Processes: Control of Heat Input

Kah, Paul; Belinga, Mvola; Suoranta, Raimo; Martikainen, Jukka

doi:10.1166/asl.2013.4802

Cited by 8 publications

(13 citation statements)

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“…Synergic Pulsed GMAW and Synergic GMAW showed a sharp increase in hardness at the fusion zone which can be a location for stress concentration. 4. Weld penetration has a major impact on joint strength and service life.…”

Section: Processes Comparisonmentioning

confidence: 99%

“…State-of-the-art welding equipment integrates electronics and software, and these components allow the process to read the change in the weld area between the workpiece and the torch, and then make corrections to adjust important parameters to ensure optimum results [3]. Modified short circuiting transfer mode processes have been an important research topic in recent decades and have largely proven themselves as stable and efficient processes with lower heat input (Q) even when welding heat sensitive thin sheet sections and dissimilar materials [4]. Research is continuing to extend the applicability of the pulsed process.…”

Section: Introductionmentioning

confidence: 99%

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Applications and benefits of adaptive pulsed GMAW

Mvola

Kah

Martikainen

et al. 2014

mech

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Section: Processes Comparisonmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Applications and benefits of adaptive pulsed GMAW

Mvola

Kah

Martikainen

et al. 2014

mech

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“…In industrial manufacturing, some parts are made by joining dissimilar materials such as metal with another metal, polymer with another polymer, or metal with another polymer. In the automobile and aerospace industry, some hybrid parts are made from lightweight dissimilar materials such as aluminum or magnesium alloys and fiberreinforced polymers [1][2][3][4][5][6].…”

Section: Welding Of Dissimilar Materialsmentioning

confidence: 99%

Joining of dissimilar materials by friction stir welding

Boumerzoug

2018

MATEC Web Conf.

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Welding is a process of joining materials into one piece. Welding is used extensively for pipe welding, aerospace, aviation, biomedical implants, fabrication of race cars, choppers, etc. Welding processes include thermal fusion joining processes and solid-state joining processes. Among solid-state joining processes, there is a friction stir welding which is applied to join two workpieces without materials. This technique of welding has great is used to weld dissimilar materials. This type of welding is gaining renewed interest, because the main objective is to reduce the total weight and maintaining essential physical properties. The objective of this paper is to focus on the friction stir welding of dissimilar materials.

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“…It is also used in the welding of pipe cylinders. A buried arc can be used in car applications in butt welding for the body and semi-automatic welding for the frame and body (Kielhorn et al 2001;Aoki et al 2003;Kah et al 2013).…”

Section: Controlled Globular Arcmentioning

confidence: 99%

“…Pulsed arc welding has applications in the shipbuilding industry, for example, out of position welding of high strength low alloy base materials in ship hull fabrication. The advantages of pulsed arc in shipbuilding are that its electrode efficiency is higher compared to flux-core arc welding (FCAW), and it can deliver lower hydrogen weld deposits (Lyttle and Praxair 1990;Knopp and Lorenz 2002;Althouse et al 2004;Laren 2004;Ueyama et al 2005;Lebedev 2010;Torbati et al 2011;Kah et al 2013). …”

Section: Controlled Spray Arcmentioning

confidence: 99%

Usability of arc types in industrial welding

Kah

Latifi

Suoranta

et al. 2014

Int J Mech Mater Eng

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Arc behaviour is a significant factor in all arc welding processes. Understanding of arc types and their inherent properties can help enhance weld prediction and weld quality and reduce welding cost and production cycle time. Advanced welding processes utilize real-time control and prediction, increasing the need for detailed knowledge of arc characteristics and arc applications. This paper analyses the types of welding arcs used in the welding industry, explains corresponding features and characteristics, provides guidance for suitable applications, and presents arc type comparisons, benefits, and weaknesses. The study is based on a review of the literature, and it provides a comprehensive overview of arc phenomena. The results of this work show that in many applications, greater benefit accrues from spray and pulsed arcs than short and globular arc modes. Controlled short arc, heavy deposition rate arc, and controlled spray arc are enhanced arc processes offering significant improvements in efficiency and usability. This review can assist companies in making appropriate choices of arc and welding process for different materials and applications. Furthermore, it can be utilized as a basis for further research.

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Modified GMAW Processes: Control of Heat Input

Cited by 8 publications

References 0 publications

Applications and benefits of adaptive pulsed GMAW

Applications and benefits of adaptive pulsed GMAW

Joining of dissimilar materials by friction stir welding

Usability of arc types in industrial welding

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