Weldability and Fracture Behaviour of Low Carbon Steel/Aluminium/Stainless Steel Clad Sheet with Resistance Spot Welding

Murugan, Siva Prasad; Cheepu, Muralimohan; Nam, Dae-Geun; Park, Yeong-Do

doi:10.1007/s12666-017-1081-2

Cited by 15 publications

(4 citation statements)

References 12 publications

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“…Figure 5 shows the fracture morphologies of pure Al joint and Al-Cu-Zr joint. All of these are better than solid state and laser welds of the dissimilar joints [31][32][33][34][35][36][37][38][39][40][41][42][43][44][45][46].…”

Section: Aluminum Alloy and Galvanized Steelmentioning

confidence: 99%

TIG Arc Welding - Brazing of Dissimilar Metals - An Overview

Venukumar¹,

Cheepu

Babu³

et al. 2019

MSF

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Tungsten inert gas (TIG) arc welding–brazing has been recently developed and is being increasingly implemented in various industrial applications. Nowadays, this process gains much attention in joining of dissimilar metal combinations. This review paper explains the principles underlying TIG arc welding – brazing of dissimilar metal combinations and highlights the above benefits in a number of practical applications. The process mechanism of TIG brazing is different from the conventional welding processes and it will bridge the gap between the two substrates by the addition of fillers under the concentrated heat source of TIG electrode. TIG brazing technique is one of the best alternative process among the other joining process for effective joining of dissimilar metals, which have various melting temperatures and physical properties. It is very important to understand the process mechanism and its compatibility with the various dissimilar materials joining. The present study focuses on the addressing of progress of TIG brazing process in modern days and its applications in the various industries, and to bring the awareness to the manufacturers about the importance of this process from this review report. Keywords: Tungsten inert gas (TIG) arc welding–brazing, Dissimilar metals, Microstructures, Mechanical properties.

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Section: Aluminum Alloy and Galvanized Steelmentioning

confidence: 99%

TIG Arc Welding - Brazing of Dissimilar Metals - An Overview

Venukumar¹,

Cheepu

Babu³

et al. 2019

MSF

Self Cite

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“…In detail, the paper attempts to explore the following: (1) weldability and the mechanism of weld nugget formation, (2) microstructural evolution of clad components during RSW process (3) defects if any. A comprehensive study on the mechanical properties and fracture behavior of the same clad material can be found elsewhere 17) .…”

Section: The Resistance Spot Weldability Of a Stainless Steel/aluminimentioning

confidence: 99%

“…Amongst several ways to define the resistance spot weldability, the weldable current range (WCR) is the most common and effective criterion for weldability as-sessment 17,[20][21][22] . WCR is defined as the current range between the minimum current required to obtain a nugget diameter of 4√t, where 't' is the sheet thickness, and a maximum current at which expulsion occurs 19) .…”

Section: Weldability and Nugget Formationmentioning

confidence: 99%

The Resistance Spot Weldability of a Stainless Steel/Aluminium/Low Carbon Steel 3-Ply Clad Sheet

Murugan

Cheepu

Vijayan

et al. 2018

Journal of Welding and Joining

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The present paper is aimed at investigating the resistance spot weldability of a 3-ply clad sheet comprised of stainless steel (SS), aluminium (Al) and low carbon steel (LCS). The weldability was assessed with the help of the weldable current range (WCR), the current range between the minimum current required to produce 4√t nugget diameter and a maximum current at which expulsion occurs. However, electrode-sheet sticking was found as the limiting factor instead of expulsion. It was observed that the introduction of aluminium to the SS/LCS clad increased the weld current range by shifting the expulsion to higher current, but resulted in melting of the electrode and subsequent electrode-sheet sticking.

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“…Xinjian Yuan et al analyzed different joints of DP600 and DC54D steel, the results showed that the standard of welded joints increased with increasing Zn islands on the weld surface at that time [11]. Dissimilar steel between carbon steel and stainless steel welded by resistance spot welding, shows that the increase in current, and welding time is directly proportional to the increase in the tensile strength of the welded joint [12][13][14] However, resistance spot welding between dissimilar materials accompanies some difficulties, due to the large difference in physical and thermal properties between the two dissimilar materials, and the formation of brittle reaction products at the welding interface so that the brittle intermetallic compound layer formed on the bonding surface after welding is the main cause of the limited joint strength [15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Effect of Welding Time Variation in Resistance Spot Welding on Mechanical Properties of Dissimilar Joints on Mild Steel and AISI 304 Stainless Steel

Pasau,

Salam,

Aminy

et al. 2024

J. Phys.: Conf. Ser.

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Resistance spot welding plays an important role in the automotive industry for working on car bodies or frames. Welding with two different steel materials is used in automotive structures. However, the low strength of the joints of different steel materials is a major problem, limiting the scope of its application. The quality of the welding connection Resistance spot welding is influenced by several factors, namely, time, welding current, and electrode pressure applied during welding and post-welding treatment. In this research, mild steel plate with AISI 304 stainless steel is welded by Resistance spot welding with different variations of welding time, material hardness and tensile testing that will be investigated. The results showed that the highest Rockwell Hardness time was obtained at a welding time variation of 8 seconds with a current of 6000 Ampere was 112.2 so the higher the welding time, the higher the hardness obtained. welding 8 seconds with a welding current of 6000 Ampere obtained a maximum tensile strength of 20.4 kgf/mm2 so the greater the welding current, the tensile strength will increase.

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Weldability and Fracture Behaviour of Low Carbon Steel/Aluminium/Stainless Steel Clad Sheet with Resistance Spot Welding

Cited by 15 publications

References 12 publications

TIG Arc Welding - Brazing of Dissimilar Metals - An Overview

TIG Arc Welding - Brazing of Dissimilar Metals - An Overview

The Resistance Spot Weldability of a Stainless Steel/Aluminium/Low Carbon Steel 3-Ply Clad Sheet

Effect of Welding Time Variation in Resistance Spot Welding on Mechanical Properties of Dissimilar Joints on Mild Steel and AISI 304 Stainless Steel

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