Microstructure and Mechanical Properties of Al-Mg-Sc-Zr Alloy Variable Polarity Plasma Arc Welding Joint
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DOI: 10.1007/s11665-018-3549-6
Abstract: Al-Mg-Sc-Zr alloy plates were welded by variable polarity plasma arc welding (VPPAW) with Sc-containing filler wire. The microstructure and mechanical properties were investigated. Results show that the weld zone and heat-affected zone (HAZ) are narrow… read more here.
Keywords: polarity plasma; plasma arc; microstructure mechanical; arc welding ... See more keywords
Assessment of Mechanical Properties for Dissimilar Metal Welds: A Nondestructive Approach
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Engineering and Performance"
DOI: 10.1007/s11665-019-3867-3
Abstract: Several engineering components are fabricated by joining similar or dissimilar materials. In the present investigation, welded joints between low alloy steel and austenitic stainless steel were considered. This assembly is one of the critical components… read more here.
Keywords: different regions; metal; austenitic stainless; stainless steel ... See more keywords
Development of Pulsed Cold Metal Transfer and Gas Metal Arc Welding Techniques on High-Strength Aerospace-Grade AA7475-T761
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Engineering and Performance"
DOI: 10.1007/s11665-020-05240-8
Abstract: High-strength aluminum alloy (AA7475) sheets are widely used in aerospace sectors due to its better performance, global suitability, and multifunctional features. The welding of AA7475 in the fusion welding process like gas metal arc welding… read more here.
Keywords: strength; high strength; gas metal; metal arc ... See more keywords
Design and Development of Submerged Arc Welding Slags Using CaO-SiO2-CaF2 and CaO-SiO2-Al2O3 System
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DOI: 10.1007/s12633-019-0068-5
Abstract: The aim of present study is to investigate the physicochemical and thermophysical behaviour of submerged arc welding slags designed by CaO-SiO2-CaF2 and CaO-SiO2-Al2O3 system. Slag was produced during submerged arc welding using laboratory prepared agglomerated… read more here.
Keywords: submerged arc; arc welding; cao sio2; welding slags ... See more keywords
Experimental Investigation of Dissimilar Metal Weld of SA335 P11 and SA312 TP304 Formed by Gas Tungsten Arc Welding (GTAW)
Sign Up to like & getrecommendations! Published in 2019 at "Transactions of the Indian Institute of Metals"
DOI: 10.1007/s12666-019-01587-2
Abstract: Dissimilar metal welds are widely used in process industries for applications such as pressure vessels, reactors, reheaters and heat exchangers. This helps in getting tailor-made properties in components required some heterogeneous working conditions. Joining of… read more here.
Keywords: sa335 p11; arc welding; dissimilar metal; gas tungsten ... See more keywords
Multi-objective Optimization of Pulsed Gas Metal Arc Welding Process Using Neuro NSGA-II
Sign Up to like & getrecommendations! Published in 2019 at "Journal of The Institution of Engineers (India): Series C"
DOI: 10.1007/s40032-018-0466-2
Abstract: Weld quality is a critical issue in fabrication industries where products are custom-designed. Multi-objective optimization results number of solutions in the pareto-optimal front. Mathematical regression model based optimization methods are often found to be inadequate… read more here.
Keywords: optimization pulsed; optimization; objective optimization; arc welding ... See more keywords
Experimental investigation on surface behaviour of submerged arc welding fluxes using basic flux system
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DOI: 10.1016/j.ceramint.2019.12.038
Abstract: Abstract In present study, the wettability behaviour of basic submerged arc welding fluxes for the CaO–CaF2–SiO2 & CaO–SiO2–Al2O3 welding flux system was studied by measuring the contact angle between the solid/liquid interfaces. Twenty-one submerged arc… read more here.
Keywords: flux; sio2; submerged arc; arc welding ... See more keywords
Metal flow of weld pool and keyhole evolution in gas focusing plasma arc welding
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DOI: 10.1016/j.ijheatmasstransfer.2019.119296
Abstract: Abstract Establishing an open keyhole throughout work-piece is the key to penetrate work-piece fully in gas focusing plasma arc welding. In order to study heat transfer, metal flow and keyhole surface evolution in gas focusing… read more here.
Keywords: arc welding; focusing plasma; plasma arc; gas focusing ... See more keywords
A simulation-based approach to characterise melt-pool oscillations during gas tungsten arc welding
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2020.120535
Abstract: Development, optimisation and qualification of welding and additive manufacturing procedures to date have largely been undertaken on an experimental trial and error basis, which imposes significant costs. Numerical simulations are acknowledged as a promising alternative… read more here.
Keywords: pool oscillations; pool; melt pool; simulation based ... See more keywords
Multiscale investigation of microstructure optimization in the arc additive manufacturing and arc welding by self-induced ultrasound
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2021.121790
Abstract: Abstract In the arc welding and arc additive manufacturing processes, utilizing self-induced ultrasound has attracted widespread attention for obtaining intensive arc plasma and optimizing metallurgical characteristics of molten pool, featuring with increased penetration, suppressed dendrites… read more here.
Keywords: self induced; optimization; arc welding; arc additive ... See more keywords
Analytical method using SEM-EDS for metal elements present in particulate matter generated from stainless steel flux-cored arc welding process.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of hazardous materials"
DOI: 10.1016/j.jhazmat.2021.127412
Abstract: Welding fumes (WFs) can cause occupational pneumonoconiosis and other diseases in workers. WFs have complex chemical composition and morphology depending on the welding conditions. The WF surface is a key factor affecting those diseases. The… read more here.
Keywords: using sem; method using; analytical method; sem eds ... See more keywords