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      Radiographic inspection of AISI 420 steel friction welds Translated title: Röntgeninspektion von reibgeschweißten AISI 420 Stählen

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          Abstract

          In this study, X-ray radiographic tests of AISI 420 steel welded by friction welding were studied. During the welding process, three different rotations, 700, 1000 and 1300, were employed while the other parameters such as friction pressure, friction time, upsetting-pressure and upsetting-duration were unchanged. After the completion of welding process, the welded joints were subjected to radiographic tests by X-raydiffraction. The result of the radiographic tests indicates that by increasing rotation speed the amount of flash and joining properties/performance increases in all samples. The best properties of the AISI 420 martensitic stainless steel joints were observed in samples welded at a rotation speed of 1300 (rpm). It has been determined that in harmony with the definition of welding defects and respective radiographic images, lack of fusion is the most common welding defect.

          Kurzfassung

          In der diesem Beitrag zugrunde liegenden Studie wurden Röntgeninspektionen von AISI 420 Reibschweißungen durchgeführt. Während des Schweißprozesses wurden drei verschiedene Rotationsgeschwindigkeiten, 700, 1000 und 1300 U × min −1, angewandt und die Parameter Reibdruck, Reibzeit, Stauchdruck und Stauchzeit konstant gehalten. Nach dem Schweißprozess wurden die Schweißungen Röntgenprüfungen unterzogen. Die Ergebnisse der Röntgenprüfungen deuten darauf hin, dass mit zunehmender Rotationsgeschwindigkeit der Betrag an Verbindung und Abbrand in allen Proben zunahmen. Die besten Eigenschaften der Verbindungen aus dem hochlegierten martensitischen Chromstahl AISI 420 ergebane sich für die Proben, die mit einer Rotationsgeschwindigkeit von 1300 U × min −1 geschweißt wurden. Es wurde ermittelt, dass die häufigste auftretende Schweißnahtimperfektion eine unzureichende Verbindung entsprechend der Röntgenbilder und der Schweißnahtqualitätsnormen war.

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          Author and article information

          Journal
          mp
          Materials Testing
          Carl Hanser Verlag
          0025-5300
          2195-8572
          2 February 2018
          : 60
          : 4
          : 387-392
          Affiliations
          1 Elazığ
          2 Diyarbakır
          3 Elazığ
          4 Kocaeli, Turkey
          Author notes
          [* ] Correspondence Address, Assoc. Prof. Dr. Vedat Veli Çay, Civil Aviation Higher School, Dicle University, 21280, Diyarbakır, Turkey, E-mail: vedatcay@ 123456yahoo.com

          Assistant Professor Nida Katı, born in 1988, received his BSc at the University of Firat in the Faculty of Technical Education and the Metal Education Department in Elazığ, Turkey, in 2009. In 2014, she received her PhD at the University of Firat in the Institute of Science and Technology and the Metallurgy Department, Elazığ, Turkey. Her research areas include fusion welding, solid state welding, materials science, composite materials, powder metallurgy, manufacturing techniques and surface modification.

          Associate Professor Vedat Veli Çay, born in 1977, received his MSc and his PhD in 2003 and 2009, respectively, at the University of Firat, Elazığ, Institute of Science and Technology, Metal Education Department. Since 2009, he has been working at the University of Dicle, Diyarbakır. His fields of interests include fusion welding method, solid state welding method, materials science, composite materials, powder metallurgy, manufacturing techniques, surface modification and tribology.

          Associate Professor Sermin Ozan, born in 1970, received her BSc at the University of Firat in the Faculty of Engineering and the Mechanical Engineering Department in Elazığ, Turkey, in 1994. In 2000, she received her PhD at the University of Firat. Her research areas include fusion materials science, composite materials, powder metallurgy, manufacturing techniques welding, solid state welding, and surface modification.

          Associate Professor Uğur Çalıgülü, born in 1979, received his BSc at the University of Firat, Faculty of Technical Education, Metallurgy Department, Elazığ, Turkey, 2002. He received his MSc at the University of Firat, Institute of Science and Technology, Metallurgy Department, in 2005 and his PhD at the same university and institute in 2009. His research focus is on fusion welding, solid state welding, materials science, composite materials, powder metallurgy, manufacturing techniques, surface modification and tribology as well as artificial neural networks.

          Assistant Professor Mustafa Türkmen, born in 1981, received his BSc at the University of Zonguldak Karaelmas, Faculty of Technical Education, Metallurgy Department, Karabuk, Turkey, in 2004. He received his MSc at the University of Zonguldak Karaelmas, Institute of Science and Technology, Metallurgy Department, Zonguldak, Turkey, in 2007. Currently, he is working at the University of Kocaeli, Kocaeli, Turkey. His research areas focus on heat treatment, metallography, strain aging and corrosion.

          Article
          MP111161
          10.3139/120.111161
          a166ae7a-4dc2-4d52-b25d-21cf729033f3
          © 2018, Carl Hanser Verlag, München
          History
          Page count
          References: 39, Pages: 6
          Categories
          Fachbeiträge/Technical Contributions

          Materials technology,Materials characterization,Materials science
          Materials technology, Materials characterization, Materials science

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