Results 21 to 30 of about 10,371 (264)
Materials & 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
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Investigation of Hardfacing Deposits Obtained by Using Submerged Arc Welding Fluxes Containing High-Carbon Ferrochromium and Ferroboron [PDF]
Archives 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
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Welding quality and sustainability of alternative LPG valve boss welding processes [PDF]
Songklanakarin 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
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Ractice of EF3 Ultra-low Phosphorus Smelting Process for High-grade Pipeline Welding Wire [PDF]
TeshugangIn 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
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Journal 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
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Journal 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
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Analysis of Surface Defects of High Strength Welding Wire Steel N2M2T Continuous Casting Billet and Process Improvement [PDF]
TeshugangIn 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
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Effect of Flux in Submerged Arc Welding- A Review [PDF]
, 2017 Submerged arc fluxes play a very complex role during the welding process. Besides protecting the weld pool and influencing the bead geometry, fluxes also melt in a specific temperature range, refine the weld metal, as well as take part in slag metal ...
Gautam, U. (Uma)
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Process Stability, Microstructure and Mechanical Properties of Underwater Submerged-Arc Welded Steel
Metals, 2021 In underwater wet welding, the unstable welding process caused by the generation and rupture of bubbles and the chilling effect of water on the welding area result in low quality of welded joints, which makes it difficult to meet the practical ...
Maofu Zhang +5 more
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Effect Of Dynamic Characteristics of Power Supplies on Aerosol Composition While Welding With Coated Electrodes [PDF]
, 2016 In the context of a significant increase in production output and use of welding technologies in the manufacturing of engineering products the problem of hygienic characteristics of working conditions in arc fusion welding is becoming increasingly ...
Chinakhov, Dmitriy Anatol'evich +2 more
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