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total: 114
Search results for: welded joints
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Study on Microstructural Characterization, Mechanical Properties and Residual Stress of GTAW Dissimilar Joints of P91 and P22 Steels
PublicationThis article deals with the dissimilar joining of two different grade Cr-Mo steel (2.25Cr-1Mo: P22 and modified 9Cr-1Mo: P91) for power plant application. The dissimilar butt-welded joint was produced for conventional V groove design by using the gas tungsten arc welding (GTAW) process with the application of an ERNiCrMo-3 Ni-based super alloy filler. A microstructure characterization was performed to measure the inhomogeneity...
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High-Temperature Tensile Behaviour of GTAW Joints of P92 Steel and Alloy 617 for Two Different Fillers
PublicationThis study explores the high-temperature (HT) tensile rupture characteristics of a dissimilar gas-tungsten-arc-welded (GTAW) joint between P92 steel and Alloy 617, fabricated using ER62SB9 and ERNiCrCoMo-1 fillers. The high-temperature tensile tests were performed at elevated temperatures of 550 ◦C and 650 ◦C. An optical microscope (OM) and a field emission scanning electron microscope (FESEM) were utilized to characterize the...
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Influence of Added Water Mass on Ship Structure Vibration Parameters in Virtual and Real Conditions
PublicationModelling of ship structures in a virtual environment is now standard practice. Unfortunately, many engineers forget to consideri the influence of added water on the frequency values and the amplitude of natural vibrations. The article presents the effect of water damping on the frequency values of the individual natural vibration modes. The tests were carried out in two stages. First, the mentioned values were determined using...
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Cold Cracking Of Underwater Wet Welded S355G10+N High Strength Steel
PublicationWater as the welding environment determines some essential problems influencing steel weldability. Underwater welding of high strength steel joints causes increase susceptibility to cold cracking, which is an effect of much faster heat transfer from the weld area and presence of diffusible hydrogen causing increased metal fragility. The paper evaluates the susceptibility to cold cracking of the high strength S355G10+N steel used,...
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Problems of Determination of Welding Angular Distortions of T-fillet Joints in Ship Hull Structures
PublicationShip hull structure elements are in majority joined by welding. Welding distortions can cause a lot of problems during the manufacturing process. In the literature it is proposed wide spectrum of suggestions for a correct estimation of welding deformation in particular angular deformation in the fillet welded T joint. In the work verification of selected methods is proposed basing upon of the results of the laboratory measurements....
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Welds sample 2
Open Research DataIn this series of experimental data, videos of the stretching of welded parts will be presented. To watch movies in .cine format, you need to have Phantom's dedicated free software viewer installed.
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Welds sample 1
Open Research DataIn this series of experimental data, videos of the stretching of welded parts will be presented. To watch movies in .cine format, you need to have Phantom's dedicated free software viewer installed.
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Welds sample 1Z
Open Research DataIn this series of experimental data, videos of the stretching of welded parts will be presented. To watch movies in .cine format, you need to have Phantom's dedicated free software viewer installed.
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Welds sample 1Hb
Open Research DataIn this series of experimental data, videos of the stretching of welded parts will be presented. To watch movies in .cine format, you need to have Phantom's dedicated free software viewer installed.
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Welds sample 2CA1
Open Research DataIn this series of experimental data, videos of the stretching of welded parts will be presented. To watch movies in .cine format, you need to have Phantom's dedicated free software viewer installed.
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Welds sample 1Ca
Open Research DataIn this series of experimental data, videos of the stretching of welded parts will be presented. To watch movies in .cine format, you need to have Phantom's dedicated free software viewer installed.
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Welds sample 1Eb
Open Research DataIn this series of experimental data, videos of the stretching of welded parts will be presented. To watch movies in .cine format, you need to have Phantom's dedicated free software viewer installed.
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Underwater in situ local heat treatment by additional stitches for improving the weldability of steel
PublicationIn this paper the influence of in situ local heat treatment performed by additional stitches on the weldability of high-strength low-alloy (HSLA) S355J2C+N steel was tested. The investigated steel is characterized by high susceptibility to cold cracking. It is necessary to find a method to improve the quality of welded joints. The local heat treatment was applied as an eect of bead-on plate welding made on the face of a Tekken...
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Experimental research on over-laminated steel sandwich panel connection to determine the form of fatigue failure
PublicationThe novel means of transport need to meet rising both the economic and ecologic requirements. In recent years the International Maritime Organization (IMO) introduced new measure of ship energy efficiency (the EEDI index), as well as new regulations regarding higher quality of fuel (so called Tier limits). It resulted in much higher interest of the technological development of ships. One of the solution having great potential is...