Results 11 to 20 of about 10,087 (226)

Effect of recycled flux over mechanical properties of A36 steel in submerged arc welding

open access: yesInternational Journal of Sustainable Engineering, 2021
The objective of the current research is to analyse the feasibility of utilising welding slag as flux material in Submerged Arc Welding (SAW) of A36 steel. The amount of welding slag incorporated with virgin flux is varied from 20 to 50 percent in weight
Thirunavukkarasu K   +2 more
doaj   +1 more source

A novel strategy to prevent hydrogen charging via spontaneously molten-slag-covering droplet transfer mode in underwater wet FCAW

open access: yesMaterials & Design, 2023
Underwater wet welding is widely used in offshore platform maintenance, oil pipeline repair and wreck salvage operations. A high diffusible hydrogen content is recognized as one of the critical reasons behind the reduction in the reliability of ...
Ning Guo   +5 more
doaj   +1 more source

Investigation of Hardfacing Deposits Obtained by Using Submerged Arc Welding Fluxes Containing High-Carbon Ferrochromium and Ferroboron [PDF]

open access: yesArchives of Metallurgy and Materials, 2023
Hardfacing deposition processes were carried out using unalloyed S1-EL12 welding wire and submerged arc welding fluxes produced by agglomerated method containing 4-16 wt.% ferrochromium and 2 wt.% ferroboron to achieve wear-resistant of hardfacing ...
M. Kaptanoglu, M. Eroglu
doaj   +1 more source

Recycling of submerged arc welding slag for sustainability

open access: yesProduction and Manufacturing Research: An Open Access Journal, 2020
The objective of this paper is to investigate the utilization of Submerged Arc Welding (SAW) slag as a fresh flux for sustainability. Certain alloying elements were added to the crushed slag to adjust the resultant composition of the weld metal as per ...
Deepanjali Nimker, Reeta Wattal
doaj   +1 more source

Welding quality and sustainability of alternative LPG valve boss welding processes [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2019
This work aimed to evaluate the welding quality and the sustainability of an automatic metal active gas with mixing gases (MAG-M) process for welding the valve boss on liquefied petroleum gas (LPG) upper cylinder half, in comparison to the presently ...
Thiensak Chucheep   +4 more
doaj   +1 more source

Highly efficient oxidation of Panzhihua titanium slag for manufacturing welding grade rutile titanium dioxide

open access: yesJournal of Materials Research and Technology, 2020
Because of the shortage of natural rutile, synthetic rutile is a widely used substitute welding materials for natural rutile owing to its excellent mechanical and thermal properties. In this work, rutile TiO2 was prepared from oxidation roasting titanium
Guo Chen   +8 more
doaj   +1 more source

Ractice of EF3 Ultra-low Phosphorus Smelting Process for High-grade Pipeline Welding Wire [PDF]

open access: yesTeshugang
 In order to realize the stable batch production of ultra-low P welding wire EF3 for high-grade pipelines, the conditions of dephosphorization were determined by studying the thermodynamic and dynamic conditions of dephosphorization.
Zhang Xingli, Qi Fengyou, Su Yongze, Cui Guibo, Tang Qing, Hou Jianwei
doaj   +3 more sources

Optimization of recycled slag-fresh flux mixture based upon weld bead quality for submerged arc welding of stainless steel

open access: yesJournal of the Mechanical Behavior of Materials, 2021
Submerged arc welding (SAW) has been performed using slag-fresh flux mixture on duplex stainless steel plates. Experiments were performed by recycled slag-fresh flux mixtures with iron powder; iron powder is mixed to maintain and enhance the weld ...
Jindal Sandeep, Singh Harpreet
doaj   +1 more source

The effect of flux chemistry on element transfer in Submerged Arc Welding: application of thermochemical modelling

open access: yesJournal of Materials Research and Technology, 2021
Post-weld slag and weld metal analyses were used to interpret the effects of different commercial flux compositions on element transfer between molten flux (slag) and weld metal in Submerged Arc Welding (SAW).
T. Coetsee   +3 more
doaj   +1 more source

Analysis of Surface Defects of High Strength Welding Wire Steel N2M2T Continuous Casting Billet and Process Improvement [PDF]

open access: yesTeshugang
In response to the surface defects such as concavities, deep vibration marks, cracks, and slag pits on the surface of continuous casting billets during the smelting of N2M2T high-strength welding wire steel in a certain steel plant,combined with ...
Su Yongze, Zhang Xingli, Dai Fangyin, Cui Guibo, Chen Xinyan
doaj   +3 more sources

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