A5086306240- Welding Techniques and Residual Stresses
- Hydrogen embrittlement and corrosion behaviors in metals
- Fatigue and fracture mechanics
- Surface Treatment and Residual Stress
- Advanced Welding Techniques Analysis
- High-Velocity Impact and Material Behavior
- Cellular and Composite Structures
- Additive Manufacturing and 3D Printing Technologies
- Engineering and Environmental Studies
- Metal Alloys Wear and Properties
- Material Properties and Failure Mechanisms
Gdańsk University of Technology
2019-2023
In this study, the effects of two geometrical parameters re-entrant auxetic cells, namely, internal cell angle (θ) and H/L ratio in which H is height, L length, have been studied on variations Poisson’s fatigue life Aluminum 7075-T6 structures. Five different values both θ were selected. Numerical simulations predictions conducted through use ABAQUS (version 2022) MSC Fatigue 11.0) software. Results revealed that increases improved average value ratio. Increasing from 1 to 1.4 50° 70°...
Abstract The condition of the consumables is a key factor determining waste reduction in welding processes and quality welded joint. paper presents results tests four types flux-cored wires dedicated for high-strength steels, stored 1 month 6 months Poland two urbanized areas: large seaside city (Gdańsk) Warsaw, located center country. were subjected to macroscopic microscopic (stereoscopic, SEM) observations, EDS analysis, technological assessing elastic properties targetability. degree...
In this paper, a comparison of the mechanical properties high-strength low-alloy S460N steel welded joints is presented. The were made by gas metal arc welding (GMAW) process in air environment and water, local cavity method. Welded tested following EN ISO 15614-1:2017 standard. After welding, non-destructive-visual, penetrant, radiographic, ultrasonic (phased array) tests performed. next step, destructive tests, as static tensile-, bending-, impact- metallographic (macroscopic microscopic)...
Wet welding with covered electrodes (Shielded Metal Arc Welding -SMAW) is the most commonly used method of carrying out repair works in a water environment.Limited visibility and inability to move freely under result an increased risk formation imperfections such as lack fusion, penetration arc strikes.The work focused on changes properties structure steel subjected impact short (0.2 s) ignitions generated by air for three high strength grades: S460N, S460M S500MC.Visual tests, macroscopic...
The participation of high strength steels in marine and offshore structures is increasing, which makes it necessary to develop recommendations for underwater repair welding works.The article presents the results bead-on-plate welded specimens made S700MC steel wet conditions by covered electrodes.Three with heat input values range 0.91-1.05kJ/mm were made.The subjected visual, metallographic, macro-and microscopic tests as well hardness measurements using Vickers method.It was found that...

 Moisture present in the electrode covering is one of sources diffusible hydrogen welded joints. In order to study content deposited metal, a stand for moisturizing covered electrodes, accordance with PN-EN ISO 14372 standard, was built. After completed, test electrodes carried out and measurements metal using mercury method (according 3690) were conducted. The research aimed at verifying correctness operation indirect determination influence storage rutile-cellulose cellulose under...