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Heat-affected zone

About: Heat-affected zone is a research topic. Over the lifetime, 18787 publications have been published within this topic receiving 231744 citations.


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Journal ArticleDOI
TL;DR: In this article, a low heat input process viz., EBW and another commonly employed process, gas tungsten-arc welding have been employed for welding of duplex stainless steels with and without nickel enhancement.
Abstract: The excellent combination of strength and corrosion resistance in duplex stainless steels (DSS) is due to their strict composition control and microstructural balance. The ferrite–austenite ratio is often upset in DSS weld metals owing to the rapid cooling rates associated with welding. To achieve the desired ferrite–austenite balance and hence properties, either the weld metal composition and/or the heat input is controlled. In the current work, a low heat input process viz., EBW and another commonly employed process, gas tungsten-arc welding have been employed for welding of DSS with and without nickel enhancement. Results show that (i) chemical composition has got a greater influence on the ferrite–austenite ratio than the cooling rate, (ii) and even EBW which is considered an immature process in welding of DSS, can be employed provided means of filler addition could be devised.

404 citations

Journal ArticleDOI
TL;DR: In this article, the joining of dissimilar Al 6013-T4 alloy and X5CrNi18-10 stainless steel was carried out using friction stir welding (FSR) technique.

389 citations

Book
03 Apr 1980
TL;DR: The effect of surface forces on the bonding of materials was studied in this article. But the authors focused on the behavior of welds in service and did not consider the effects of the weld thermal cycle.
Abstract: The effect of surface forces on the bonding of materials. Solid-phase welding and adhesive joining. Soldering and brazing. The joining of ceramics: microjoining. Fusion welding: processes. Fusion welding: mass and heat flow. Metallurgical effects of the weld thermal cycle. Carbon and ferritic alloy steels. Austenitic and high-alloy steels. Non-ferrous metals. The behaviour of welds in service.

386 citations

Journal ArticleDOI
TL;DR: In this article, the effects of weld residual stress and heat affected zone on the fatigue propagation of cracks parallel and orthogonal to the weld direction in friction stir welded (FSW) 2024-T351 joints were investigated.

385 citations

Journal ArticleDOI
TL;DR: In this paper, the effect of laser power (1.2-1.43kW), welding speed (30-70 cm/min) and focal point position (−2.5 to 0mm) on the heat input and the weld-bead geometry (i.e. penetration, welded zone width, and heat affected zone width (W HAZ )) was investigated using response surface methodology (RSM).

368 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
2023229
2022548
2021270
2020365
2019389
2018463