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The article presents welding imperfections in TIG-welded T-joints of thin-walled elements made using filler metal wire. The study discusses both typical, i.e. specified in PN-EN ISO 6520-1:2009 and untypical imperfections, i.e. not classified in the standard mentioned above.
The article presents practically proven technology for making single large-sized rings used in offshore structures and made of high strength steel rectangular segments (100 mm x 120 mm). The study also presents formal and documentationrelated requirements as well as issues concerning quality assurance.
The analysis presented in the article was concerned with cracks in MAG (135) robotic welded joints of pipes with eyes made of S890QL1 steel and constituting components of the latticework of self-propelled cranes. The text also presents results of tests concerning chemical composition as well as mechanical and metallographic properties of base materials and welded joints. The article contains an assessment...
The article discusses the primary difficulties encountered when experimentally determining near-electrode voltage drops of high pressure electric arcs, presents the classification of measurement methods and various variants of direct and indirect measurements (known from reference publications and developed by the authors of the article).
The article presents the contents and requirements of the AFCEN RCC-CW and ASME Section III codes as well as associated standard specifications concerning parent materials, welding consumables and manufacturing processes, including welding and heat treatment, used in the production of steel parts of nuclear reactor containments.
At the present stage of industrial development, numerical analyses are nothing new. In developed countries, numerical analyses are present almost in every stage when designing a new part or structure or when developing repair and modernising technologies. Numerical analyses enable simulating welding processes without compromising the high compatibility of simulation results with those obtained in...
The paper summarizes the latest developments in numerical simulation and optimization of resistance welding as well as new developments in 3D simulation. Resistance welding simulation can be applied for the prediction of weld nugget sizes in various material combinations, and for the optimization and planning of welding process parameters. Weld quality can be modelled in terms of microstructural phase...
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