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Structural Engineering and Mechanics Volume 92, Number 2, October25 2024 , pages 189-196 DOI: https://doi.org/10.12989/sem.2024.92.2.189 |
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Determination of formability behavior of steel used in ships by various methods |
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Dursun Murat Sekban, Ecren Uzun Yaylaci, Mehmet Emin Özdemir and Murat Yaylaci
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| Abstract | ||
| Metal-based materials used in ships are built by welding plates and profiles of various sizes and shapes together. Although various methods are currently used during the production of ships, studies are ongoing on alternative welding methods. When alternative methods are examined, it is seen that friction stir welding (FSW) is advantageous in applying plate-type materials and obtaining high mechanical properties after application. In this study, FSW was applied to the steel used in ships, and after the application, hardness, tensile, and bending tests were performed, and mechanical properties were determined. Afterward, the bending test results, which are of great importance for the formability of welded structures, were transferred to finite element analysis (FEA) and multilayer perceptron (MLP) models, and the data obtained in these models were mutually analyzed with the mechanical test data. As a result of the analyses, it was determined that models with appropriate results obtained with experimental data could be created after both FEA and MLP, and thus the bending behavior of welded structures could be determined without the need for experimental data. | ||
| Key Words | ||
| finite element analysis approach; friction stir welding; high-strength shipbuilding steel; multilayer perceptron (MLP) | ||
| Address | ||
| Dursun Murat Sekban: Department of Marine Engineering Operations, Karadeniz Technical University, 61530, Trabzon, Turkey; WMS Engineering Services Industry Trade Limited Company, 61080, Trabzon, Turkey Ecren Uzun Yaylaci: Faculty of Fisheries, Recep Tayyip Erdogan University, 53100, Rize, Turkey; Faculty of Engineering and Architecture, Recep Tayyip Erdogan University, 53100, Rize, Turkey Mehmet Emin Özdemir: Department of Civil Engineering, Cankiri Karatekin University, 18100, Çankiri, Turkey Murat Yaylaci: Department of Civil Engineering, Recep Tayyip Erdogan University, 53100, Rize, Turkey; Faculty of Turgut K | ||