Microstructure and Mechanical Behaviour of Friction Welded AISI 2205/AISI 1040 Steel Joints

İhsan Kirik; Niyazi Özdemir; Furkan Sarsilmaz

doi:10.3139/120.110379

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Microstructure and Mechanical Behaviour of Friction Welded AISI 2205/AISI 1040 Steel Joints

İhsan Kirik , Niyazi Özdemir und Furkan Sarsilmaz

Veröffentlicht/Copyright: 26. Mai 2013

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Abstract

The goal of this study is to investigate the effect of friction time on mechanical and microstructural properties of dissimilar AISI 1040/AISI 2205 stainless steel couples. The experiments were carried out with continuous drive friction welding set-up. Friction welding experiments with different frictional times and constant friction pressure as well as rotational speed were carried out. The strength of the welds was determined by tensile strength tests. Hardness variation of the joint was also obtained. The results were compared with those of previous studies. The results of applied tests and observations showed that the properties of microstructure change and that the interface temperature increases with friction time. The best tensile strength of the joint was observed for the specimen welded at 1700 rpm rotation speed and a friction time of 3 s.

Kurzfassung

Das Ziel der diesem Beitrag zugrunde liegenden Studie war es, die Auswirkung der Reibzeit auf die mechanischen und mikrostrukturellen Eigenschaften von AISI 1040/AISI 2205 Edelstahlmischverbindungen zu untersuchen. Die Versuche wurden mittels eines kontinuierlichen Antriebes ausgeführt. Es wurden Rührreibschweißversuche mit verschiedenen Reibzeiten und bei konstantem Reibdruck sowie Rotationsgeschwindigkeit durchgeführt. Die Festigkeit der Schweißungen wurde im Zugversuch bestimmt. Es stellte sich außerdem eine Variation der Härte der Verbindungen heraus. Die Ergebnisse wurden mit früheren Studien verglichen. Es stellte sich heraus, dass sich die Mikrostruktureigenschaften verändern und dass die Grenzflächentemperatur mit der Reibzeit ansteigt. Die beste Festigkeit der Verbindungen ergab sich bei einer Rotationsgeschwindigkeit von 1700 U/min und einer Reibzeit von drei Sekunden.

İhsan Kirik received B.S. degree in Technical Education Faculty from Firat University, in 2005, Elaziğ, Turkey. He received his M.S. degree from Metallurgy Education Department from Firat University in 2007. In this year he began the doctorate education in the same area. Now he is working on some projects for the doctorate thesis and he is continuing his studies about solid state welding process.

Niyazi Özdemir received his B.S. in Metallugy Education from Firat University Elaziğ, Turkey, in 1986. He then received his M.S. and Ph.D. degrees from Department of Metallurgy, Firat University in the area of Welding Technology in 1996 and 2002, respectively. Dr. N. Özdemir has been working as professor in Firat University Elaziğ, Turkey. His research interest includes welding technology, mainly the areas of solid state welding and fusion welding. He also works on the surface coating.

Furkan Sarsilmaz received his B.S. degree from Technical Education Faculty from Firat University, Turkey, in 2000. He then received his M.S. and Ph.D. degrees from Department of Metallurgy in 2003 and 2008, respectively. Dr. Sarsilmaz is currently assistant professor at the School of Technology Faculty at Cumhuriyet University in Sivas, Turkey. Dr. Sarsilmaz's research interests include solid state welding techniques and materials science.

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Published Online: 2013-05-26

Published in Print: 2012-10-01

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https://doi.org/10.3139/120.110379