The Effect of Plasma Arc Process Parameters on the Properties of Dissimilar AISI 1040/AISI 304 Steel Plate Welds

Musa Kiliç; İhsan Kirik; Ferkan Celik; Nuri Orhan

doi:10.3139/120.110377

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The Effect of Plasma Arc Process Parameters on the Properties of Dissimilar AISI 1040/AISI 304 Steel Plate Welds

Musa Kiliç , İhsan Kirik , Ferkan Celik und Nuri Orhan

Veröffentlicht/Copyright: 26. Mai 2013

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Abstract

In this study, 10 mm thick AISI 1040 and AISI 304 steel plates were welded in the butt position without pretreatment by plasma transferred arc (PTA) welding technique. Therefore, mechanical behaviour, microstructure, penetration depth and length were investigated. After welding, microstructural changes in the interface regions of the welded specimens were examined by scanning electron microscopy (SEM) and energy dispersive spectrometry (EDS). Micro-hardness as well as V-notch Charpy tests were performed to determine the mechanical properties of the welds. The influence of the welding parameters on the dimension and shape of the joints has been found out. From the results, it was derived that with the parameters used, a partly keyhole weld bead formed with a penetration depth of 10 mm and a width of 11 mm in butt position.

Kurzfassung

In der diesem Beitrag zugrunde liegenden Studie wurden 10 mm Stahlbleche aus AISI 1040 mit solchen aus AISI 304 in Wannenlage ohne Vorbehandlung mittels PTA geschweißt. Aus diesem Grund wurden die mechanischen Eigenschaften, die Mikrostruktur sowie die Eindringtiefe und —länge bestimmt. Nach dem Schweißen wurden die mikrostrukturellen Veränderungen in der Fügezone mittels Rasterelektronenmikroskopie (REM) und Energiedispersiver Röntgenspektrometrie (EDS) untersucht. Die Mikrohärte wurde gemessen und es wurden Kerbschlagversuche durchgeführt, um die mechanischen Eigenschaften der Schweißverbindungen zu ermitteln. Der Einfluss der Schweißparameter wurde auf die Dimensionen und die Form der Verbindungen bestimmt. Aus den Ergebnissen kann abgelesen werden, dass sich unter den verwendeten Parametern ein partielles Stichloch in der Wannenlage mit einer Eindringtiefe von 10 mm und einer Breite von 11 mm ausbildet.

Musa Kili's received his B.S. degree in Technical Education Faculty from Firat University, Elazig, Turkey, in 2005. Then he received his MSc from Department of Metallurgy in 2007. In 2008 he began the doctorate education in the same area. Now he is studying on some projects about the doctorate thesis and continuing his studies about solid state welding process.

İhsan Kirik received B.S. degree in Technical Education Faculty from Firat University, Elazig, Turkey, in 2005. He received his MSc degree in Metallurgy Education Department from Firat University, Elazig, Turkey, in 2007. In this year he began the doctorate education in the same area. Then he received his Ph.D. degrees from Department of Metallurgy in 2012. Now he is studying on some projects about solid state welding process.

Ferkan Celik was born in Samsun, Turkey in 1969. She graduated from Industrial Arts Education Faculty of Gazi University, Ankara, Tukey in 2004. She completed her MSc in Energy Department of Graduate School of Gazi University in 2006. She worked at Sinop high school as technical teacher and then lecturer at Gerze Technology and Vocational College of Sinop University, Turkey. She has worked as a Research and Development expert at The Science Industry and Technology Ministry of Turkey since 2008.

Prof. Dr. Nuri Orhan has been working as professor in Firat University, Elazig, Turkey. His research interest is in welding technology, mainly in the areas of solid state welding and fusion welding. He also works at surface coating.

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Published Online: 2013-05-26

Published in Print: 2012-10-01

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https://doi.org/10.3139/120.110377