Experimental investigation on resistance spot welding of dissimilar weld joints

Verma, Rohit; Arora, Kanwer Singh; Sharma, Lochan; Chhibber, Rahul

doi:10.1177/0954408920968351

Cited by 9 publications

(4 citation statements)

References 19 publications

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“…They observed that the size of the fusion zone and the failure mode were the most critical factors in the quality of welding. Verma et al 13 studied the effect of the welding current (WC) and the welding time (WT) parameters over the tensile strength, the nugget diameter, and the failure mode using one factor at a time approach. Daneshpour et al 14 made RSW and LSW joints of DP780-DC04 steels and investigated these joints’ mechanical properties, failure modes, and fatigue life analyses.…”

Section: Introductionmentioning

confidence: 99%

“…There are important studies conducted on microstructuretensile shear properties of RSW welded various steel sheets. 1,4,8,[10][11][12][13] In addition, some important literature based on the work conducted on RSW of the DDS, 6,[14][15][16][17][18][19][20] is discussed here as under. Boriwal et al 1 investigated the effect of process parameters on the strength of the welded joint of 304L and low-carbon steel sheets.…”

Section: Introductionmentioning

confidence: 99%

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Effects of welding parameters on tensile properties and failure modes of resistance spot welded DC01 steel

Elitaş

2023

Proceedings of the Institution of Mechanical Engineers, Part E:

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In this study, different resistance spot welding joints were made on DC01 steel with welding parameters of 8–10–12 kA welding currents and 1.96–2.94 kN electrode forces. Measurements of the nugget diameter and tests of the tensile shear were performed. Also, various failure modes were determined. The importance of welding parameters on the value of the tensile shear force was determined, and a statistical model was established with the ANOVA study. The microstructure of the joint was characterized by optical and scanning electron microscopes. As a result, the nugget diameter and the tensile shear force were increased with an increase in the welding current and the electrode force. Two failure modes, namely, interfacial and plug failures, were observed. The effect of the electrode force was higher than the welding current on the tensile shear force. The base material was densely composed of the ferrite phase, heat-affected, and the fusion zone consisted of the coarse ferrite phase.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effects of welding parameters on tensile properties and failure modes of resistance spot welded DC01 steel

Elitaş

2023

Proceedings of the Institution of Mechanical Engineers, Part E:

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“…24 A significant amount of research has been carried out on this joining process. [25][26][27][28][29][30][31][32][33] For example, Verma et al, 25 Krishnan et al, 26 and Boriwal et al 29 investigated welding parameters effects on tensile strength, nugget geometry, failure mode, and hardness of RSW welded High Strength Interstitial Free-Dual Phase (DP780), austenitic stainless steel AISI 316 L-duplex stainless steel 2205, austenitic stainless steel 304L-low carbon steel sheets, respectively. In addition, Boriwal et al 27 used surface response methodology for process analysis and regression modeling of RSW welded austenitic stainless steel 304L-low carbon steel sheets.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the effect of different welding parameters on tensile properties and failure modes of non-alloyed steel produced by powder metallurgy

Elitaş

Erden

2023

Proceedings of the Institution of Mechanical Engineers, Part E:

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Resistance spot welding was implemented to unalloyed steel produced by powder metallurgy method at different welding parameters in this study. Other welding parameters are constant, but electrode force values are 0.21–0.28–0.35 kN and welding current values are 9–10–11 kA. The effects of different welding parameters on microhardness, nugget diameter, tensile shear force, and failure mode were investigated. Consequently, the tensile shear force increased as welding current and electrode force up to a certain value increased. When critical electrode force value was exceeded, tensile shear force decreased, although nugget diameter increased. Compared to the base material, a decrease in tensile shear force has occurred in resistance spot welded joints. Except for values higher than the critical electrode force value, a linear relationship was determined between the nugget diameter, tensile shear force, and microhardness. Two different failure modes were observed, namely sheet transverse failure and partial interfacial failure.

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“…The development of advanced high strength steels (AHSS) was the response of the steel industry to the demands of the automotive sector in terms of reducing the weight of vehicle structures without compromising their mechanical properties, in addition to other advantages such as cost reduction, safety performance and good weldability [1,2]. Dual-phase (DP) steel is one of the most widely used AHSS in the automotive industry, particularly in the manufacturing of car bodies [3,4].…”

Section: Introductionmentioning

confidence: 99%

Effect of Zinc Coating on Delay Nugget Formation in Dissimilar DP600 - AISI304 Welded Joints Obtained by the Resistance Spot Welding Process

Pérez

Hernández

Orozco

et al. 2021

Preprint

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This paper researches the effect of zinc coating of galvanized DP600 steel on the dynamic resistance and the delayed nugget formation of dissimilar DP600 - AISI304 welded joints, obtained with resistance spot welding process (RSW). The RSW evaluations consisted of determining, from the dynamic resistance curves, the time involved in the different stages of the process, particularly the beginning of nugget formation. The experimental results showed that, from the dynamic resistance curves, it is possible to identify 8 distinct stages during the welding of galvanized DP600 steel and AISI304 stainless steel. In the case of the welding of uncoated DP600 steel with AISI304, only 6 stages are identified (except for stages 2 and 3), which are directly related to the heating, softening and melting of the galvanic coating. The energy used in stages 2 and 3, causes a delay in the beginning of nugget formation for welded joints obtained with galvanized DP600 steel compared to uncoated DP600 - AISI304 welded joints, reaching values between 37.28 ms and 52.29 ms for the welding conditions analyzed. Monitoring the time duration of stages 2 and 3, as defined from the analysis of the dynamic resistance curves, could be used as a tool to predict the beginning of nugget formation in the welding of galvanized steels, to avoid undesirable phenomena such as expulsion and to guarantee the quality of the welded joints.

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Experimental investigation on resistance spot welding of dissimilar weld joints

Cited by 9 publications

References 19 publications

Effects of welding parameters on tensile properties and failure modes of resistance spot welded DC01 steel

Effects of welding parameters on tensile properties and failure modes of resistance spot welded DC01 steel

Investigation of the effect of different welding parameters on tensile properties and failure modes of non-alloyed steel produced by powder metallurgy

Effect of Zinc Coating on Delay Nugget Formation in Dissimilar DP600 - AISI304 Welded Joints Obtained by the Resistance Spot Welding Process

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