Sheet metal fatigue near nuts welded to thin sheet structures

Ringsberg, Jonas W.; Orvegren, Pierre; Henrysson, Hans-Fredrik; Åkerström, Gunnar

doi:10.1016/j.ijfatigue.2007.06.008

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Microstructure and Failure Analysis Of Resistance Projection1

Introduction1

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Cited by 11 publications

(2 citation statements)

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“…They also found that joints were formed by forged welding due to the existence of Al-Si coating. Ringsberg 7) investigated the fatigue of the RPW of nuts to sheet steels. They found that the fatigue crack started off on the side of the sheet whose microstructure was changed during the welding process.…”

Section: Microstructure and Failure Analysis Of Resistance Projectionmentioning

confidence: 99%

Microstructure and Failure Analysis of Resistance Projection Welding of Nuts to AHSS with Capacitor Discharge Welding

et al. 2019

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Section: Microstructure and Failure Analysis Of Resistance Projectionmentioning

confidence: 99%

Microstructure and Failure Analysis of Resistance Projection Welding of Nuts to AHSS with Capacitor Discharge Welding

et al. 2019

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“…Many authors have dealt with projection welding [1][2][3][4][5][6][7][8]], yet only with single projection applications. The Authors [1-3][9-10] emphasize the application of modelling aimed to optimise the welding process, determine initial parameters and precisely identify phenomena taking place in the process.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Projection Welding in Relation to the Non-Parallelism of Electrodes

Mikno

2024

Preprint

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The article contains the analysis of projection welding in relation to the non-parallel location (non-parallelism) of electrodes. For a thin-walled flat element (sheet metal) with two embossed projections, the FEM calculations were conducted in relation to different angles between the electrodes. The calculation involved the use of the software SORPAS-3D. The analysis included the temperature distribution, power density, electrode displacement, volume of molten metal, nugget diameter and welding energy. The FEM results were verified experimentally by technological welding tests, destructive examination (peeling/metallographic). The experimental tests involved the application of a typical element e.g. nut with two embossed projections. The research results allow the obtainment of knowledge concerning phenomena occurring in the above-named process and unacceptable bevelling angle between electrodes.

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Shape optimization of square weld nut in projection welding

Han

Marimuthu

et al. 2021

Int J Adv Manuf Technol

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Sheet metal fatigue near nuts welded to thin sheet structures

Cited by 11 publications

References 3 publications

Microstructure and Failure Analysis of Resistance Projection Welding of Nuts to AHSS with Capacitor Discharge Welding

Microstructure and Failure Analysis of Resistance Projection Welding of Nuts to AHSS with Capacitor Discharge Welding

Analysis of Projection Welding in Relation to the Non-Parallelism of Electrodes

Shape optimization of square weld nut in projection welding

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