In underwater wet welding, a hydrogen-rich arc atmosphere generated by the thermal decomposition of water leads to extremely high diffusible hydrogen content and defects such as pores and cracks in the weld.
Xin Zhang +6 more
doaj +2 more sources
Production of Welding Fluxes Using Waste Slag Formed in Silicomanganese Smelting [PDF]
The possibility in principle of using slag, which is formed in the silicon-manganese smelting process, in producing welding fluxes is shown. The composition of and technology used for a new fused flux has been designed.
Filonov, Andrey Vladimirovich +4 more
core +3 more sources
Metallurgical Model of Diffusible Hydrogen and Non-Metallic Slag Inclusions in Underwater Wet Welding of High-Strength Steel [PDF]
High susceptibility to cold cracking induced by diffusible hydrogen and hydrogen embrittlement are major obstacles to greater utilization of underwater wet welding for high-strength steels. The aim of the research was to develop gas–slag systems for flux-
Sergey G. Parshin +2 more
doaj +2 more sources
Phase chemistry of Submerged Arc Welding (SAW) fluoride based slags
Phase chemical analysis of post-weld slags from Submerged Arc Welding (SAW) is applied to explain the chemical function of flux constituent compounds in the welding process.
Theresa Coetsee
doaj +2 more sources
Influence of the Introduction of Carbon-Fluorine Additive to the Slag of the Production of Silicomanganese on the Weld Joint Quality [PDF]
In the paper a possibility in principle is outlined to use a silicomanganese by-product ladle slag and a gas purification dust of aluminum production for manufacturing welding fluxes.
Karthev, Dmitry Sergeevich +4 more
core +3 more sources
Based on the measurement of viscosities and critical temperatures of CaO-MgO-SiO2- Al2O3-B2O3 slag system with various B2O3 contents, the slag with higher than 15 mas.
B. Dai, H. Long, Y. Wen, Y. Ji
doaj +1 more source
Effect of Physico-Chemical Properties of Submerged Arc Welding Fluxes on Pipeline Steel – A Brief Review [PDF]
Pipeline welding is an integral part of oil and gas exploration industries. Often the welded joint failures were due to lack of weld quality, improper heat treatment and even poor workmanship.
Lochan Sharma, Rahul Chhibber
doaj +1 more source
Effect of Welding Process on the Sulfide Stress Corrosion Susceptibility of Q345R [PDF]
In order to discuss and analyze the influence of welding process on Q345R sulfide stress corrosion sensitivity, the sulfide stress corrosion cracking susceptibility of Q345R welded by manual welding and argon arc welding processes was tested and ...
YANG Quan - yi, ZHANG Zhao - yang, LIU Meng, LIU Xian - bin, HAN En - hou
doaj +1 more source
Augmentation in depth of penetration of hastelloy C-22 by FATIG welding
Flux assisted tungsten inert gas welding (FATIG) welding is a modified version of tungsten inert gas (TIG) welding to achieve a higher depth of penetration. In the present work, nanoparticles SiO2, Al2O3, Fe2O3, and CuO mix with acetone and coated on the
Dixit Patel, Suketu Jani, Darshit Shah
doaj +1 more source
Detection of slag inclusions using infrared thermal imagining system [PDF]
Assuring high quality of welded joins is a vital task in many industrial branches also when joints are made manually. It is the case metal-arc welding with covered electrode. One of main imperfection, that can occur in this process is slag inclusion.
Jamrozik Wojciech, Górka Jacek
doaj +1 more source

