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Electric resistance welding

About: Electric resistance welding is a research topic. Over the lifetime, 16761 publications have been published within this topic receiving 154851 citations.


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Journal ArticleDOI
Mumin Sahin1
TL;DR: In this article, an experimental set-up was designed and produced to achieve the friction welding of components having equal diameter, and transition from friction to forging stage can be done automatically, and hardness variations and microstructures in the post-weld of the joints were obtained and examined.

88 citations

Journal ArticleDOI
TL;DR: The welds with weld energies of more than 1.05 kJ fracture in the base metal and were severely deformed by the ultrasonic vibration, and recrystallization occurred around the weld interface owing to the shear deformation and heating during ultrasonic welding as discussed by the authors.

87 citations

Journal Article
TL;DR: In this article, the effect of excessive porosity and surface indentation on the fatigue performance of spot welds in aluminum alloy sheet was investigated and it was shown that nugget porosity, up to about 40% of the weld diameter, and variation in weld size had no major impact on the welds' fatigue properties.
Abstract: There is a strong interest in the use of aluminum alloy sheet for vehicle applications, particularly the body, where resistance spot welding is the principal joining method. It is important that the particular discontinuities that are often found in aluminum alloy spot welds do not adversely affect the weld properties. The objectives of this work were to provide information about the effect of excessive porosity and surface indentation and the effect of weld size on the fatigue performance of spot welds in aluminum alloy sheet. Trials were conducted on 1.2-mm-thick 5182-0 aluminum alloy in the mill-finished condition. Static shear and fatigue tests were conducted on welds over a range of welding conditions to simulate severe weld discontinuities. The work indicated that nugget porosity, up to about 40% of the weld diameter, deep surface indentation and variation in weld size had no major impact on the fatigue properties of the welds.

87 citations

Journal ArticleDOI
TL;DR: In this article, a computational approach based on finite element method with considering both materials nonlinearity and geometrical non-linearity was developed to investigate welding distortion and residual stress in low carbon steel thin-plate bead-on joints induced by arc welding process.

87 citations

Journal ArticleDOI
TL;DR: In this article, the effects of welding current and welding time on microstructures and mechanical properties of the welded joints were investigated, where a thin intermetallic compound layer composed of Fe2Al5 phase and Fe4Al13 phase formed at the steel/aluminium interface.
Abstract: Intermediate frequency resistance spot welding has been adopted to join dissimilar materials of H220YD galvanised high strength steel and 6008 aluminium alloy. The effects of welding current and welding time on microstructures and mechanical properties of the welded joints were investigated. A thin intermetallic compound layer composed of Fe2Al5 phase and Fe4Al13 phase formed at the steel/aluminium interface. The interfacial intermetallic compound layer has higher nanohardness compared with the aluminium alloy nugget and galvanised steel. With increasing welding current (4–11 kA) and welding time (50–300 ms), the nugget diameter increased, the interfacial layer structure became coarser and the tensile shear load of the welded joints had an increased tendency. The maximum tensile shear load reached 3309 N at 9 kA for 250 ms. Crack initiated at the interfacial intermetallic compound layer of the tensile shear specimens, then propagated through the interfacial layer principally, and meantime through the alum...

87 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
2023106
2022247
202168
2020162
2019184
2018245