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      Plasma Arc Welding of AISI316Ti (EN 1.4571) Stainless Steel: Mechanical, Microstructural, Corrosion Aspects Translated title: Plasmaschweißen des Edelstahls AISI316Ti (EN 1.4571): mechanische, mikrostrukturelle und korrosive Aspekte

      research-article
      1 , * , , 1
      Materials Testing
      Carl Hanser Verlag
      Plasma arc welding, 316Ti, stainless steel, microstructure, corrosion

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          Abstract

          AISI316Ti (EN1.4571) austenitic stainless steel plates with a thickness of 7 mm were welded by plasma arc welding (PAW) process. Joints were obtained using 316L type of filler metal as well as without filler metal called as Weld 1 and Weld 2, respectively. Tensile and bend testing of the joints were carried out. Impact toughness tests carried out at temperatures from 20 °C down to −60 °C have shown encouraging results. Chemical analysis of the weld deposits were made by glow discharge optical emission spectrometry (GDOES). Photomacrographs and photomicrographs of the cross-sections were used to determine ferrite content and hardness. Intergranular corrosion tests in accordance with TSEN 3157/ENISO 3651-2 were carried out. No corrosion sign was reported. The effect of the consumable has the most influence on the toughness properties. Promising mechanical, toughness and corrosion results are useful, considering the implementation of an innovative process, thus PAW of 316Ti stainless steel.

          Kurzfassung

          7 mm dicke Stahlbleche aus austenitischem nichtrostenden Stahl AISI316Ti (EN1.4571) wurden durch Plasmaschweißen geschweißt. Schweißverbindungen wurden mit und ohne Zusatzwerkstoff (Schweißung 1 und 2) hergestellt. Zug- und Biegeprüfungen wurden an den Schweißungen durchgeführt. Es konnten vielversprechende Kerbschlagzähigkeiten bei Temperaturen von 20 °C bis −60 °C festgestellt werden. Die chemische Analyse des eingebrachten Schweißgutes erfolgte mittels optischer Glimmentladungsspektroskopie (GDOES). Makro- und Mikroaufnahmen an Querschliffen dienten zur Bestimmung des Ferrit-Gehalts und für Härtemessungen. Interkristalline Korrosionstests gemäß TSEN 3157/ENISO 3651-2 wurden durchgeführt. Es wurden keine Korrosionanzeichen festgestellt. Der Zusatzwerkstoff wirkt sich vor allem auf die Zähigkeitseigenschaften aus. Die erzielten Ergebnisse sind dienlich für die Umsetzung des Plasmaschweißens von Stahl AISI316Ti.

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          Most cited references20

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          Influence of Ti, C and N concentration on the intergranular corrosion behaviour of AISI 316Ti and 321 stainless steels

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            Welding behaviour of Duplex and Superduplex Stainless Steels using Laser and Plasma ARC Welding processes

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              Toughness and microstructural analysis of superduplex stainless steel joined by plasma arc welding

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                Author and article information

                Journal
                mp
                Materials Testing
                Carl Hanser Verlag
                0025-5300
                2195-8572
                1 April 2014
                : 56
                : 4
                : 294-299
                Affiliations
                1 Kocaeli, Turkey
                Author notes
                [* ] Correspondence Address, Emel Taban, Kocaeli University, Faculty of Engineering, Department of Mechanical Engineering, 41380 Kocaeli, Turkey, E-mail: emel.taban@ 123456yahoo.com

                Emel Taban, born in 1980, received her BS, MSc and PhD from Dept. of Mechanical Engineering in 2002, 2004 and 2007, respectively. She has been working as associate professor at the Dept. of Mechanical Engineering of Kocaeli University, Turkey and is the vice director of Welding Research Center. Her major interests and expertise include welding and weldability of stainless steels, high alloyed steels and aluminum alloys using conventional and advanced welding processes.

                Erdinc Kaluc, born in 1958, received his BS, MSc and PhD degrees on mechanical engineering in 1980, 1982 and 1988, respectively. He has 30 years of experience in welding metallurgy and welding of stainless steels, HSLA steels and aluminum alloys. He has been working as professor at the Dept. of Mechanical Engineering of Kocaeli University, Turkey and serves as director of Welding Research Center.

                Article
                MP110560
                10.3139/120.110560
                a3643b96-7e5e-4db7-af75-d5e6d86bacf9
                © 2014, Carl Hanser Verlag, München
                History
                Page count
                References: 21, Pages: 6
                Categories
                Fachbeiträge/Technical Contributions

                Materials technology,Materials characterization,Materials science
                316Ti,microstructure,corrosion,Plasma arc welding,stainless steel

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