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      TIG deposition of Ti on steel substrates using Cu as interlayer Translated title: WIG-Auftragsschweißungen von Titan auf Stahlsubstraten mittels Kupfer- Zwischenlage

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          Abstract

          The deposition of Ti on steel substrates using a Cu interlayer was experimentally investigated using the tungsten inert gas technique with a mechanized feeding system. First, a Cu layer was deposited on the steel surface before the coating process for the production of the Ti layer. The resulting depositions exhibit a good penetration following the occurrence of two heat affected zones with a dense, compact and free-of-cracks microstructure. The investigations by scanning electron microscopy and by X-ray diffraction showed the formation of compounds in the Ti-Cu system and the absence of chemical combinations between Ti and Fe that can strongly affect the toughness characteristics of the deposited layer. The measurement of the cross-sectional hardness shows a significant increase in the surface compared to that of the substrate.

          Kurzfassung

          Das Auftragsschweißen von Ti auf Stahlsubstrate unter Verwendung einer Cu-Zwischenlage wurde experimentell untersucht, indem Wolfram-Inertgasschweißen mit einer mechanischen Drahtzufuhr angewandt wurde. Hierzu wurde eine Kupferlage auf die Stahloberfläche vor dem Beschichtungsprozess für die Herstellung der Titanlage aufgebracht. Das so hergestellte mikrostrukturelle System wies eine gute Durchschweißung auf, indem sich die beiden Wärmeeinflusszonen unter Ausbildung eines dichten, kompakten und rissfreien Gefüges formierten. Die Untersuchungen mittels REM und Röntgendiffraktometrie zeigen die Bildung von Komponenten im Ti-Cu-System und keine chemischen Verbindungen zwischen Fe und Ti, die die Zähigkeitseigenschaften der Auftragslagen stark beeinträchtigen können. Die Härtegradienten, die im Querschliff der Proben gemessen wurden, zeigen doppelt so hohe Werte, wie sie auf dem Substrat gemessen wurden.

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          Most cited references13

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          Examination of copper/stainless steel joints formed by explosive welding

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            Corrosion and microstructural aspects of dissimilar joints of titanium and type 304L stainless steel

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              Microstructure and interfacial reactions of vacuum brazing titanium alloy to stainless steel using an AgCuTi filler metal

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                Author and article information

                Journal
                mp
                Materials Testing
                Carl Hanser Verlag
                0025-5300
                2195-8572
                7 September 2016
                : 58
                : 9
                : 725-730
                Affiliations
                1 Timisoara, Romania
                Author notes
                [* ] Correspondence Address, Dr. Eng. Ion-Dragoş Uţu, Faculty of Mechanical Engineering, Politehnica University Timisoara, Bv. Mihai Viteazu, No.1, RO-300222, Timisoara, Romania, E-mail: dragos.utu@ 123456upt.ro , ionel_mitelea@ 123456yahoo.com

                Dr. Ion Mitelea, born 1946, graduated from University Politehnica Timisoara, Romania, as Bachelor and PhD and is currently Professor of Materials Science, Materials and Heat Treatments for Welded Structures and Selection and Use of Engineering Materials at the same institution. He has developed remarkable research and teaching activities in Romania and as DAAD fellow at Technical University Aachen, University of Applied Sciences Gelsenkirchen and Technical University Dortmund, Germany.

                Dr. Ion Dragoş Uţu, born 1978, graduated from University Politehnica Timisoara, Romania, as Bachelor and PhD, and is currently a lecturer in the Department Materials and Manufacturing Engineering in the same institution being involved in the field of materials science and surface engineering. He has developed remarkable research and teaching activities in Romania, as well as a DAAD and SOCRATES fellow at University of Applied Sciences Gelsenkirchen, Germany.

                Dr. Simona Cutean, born 1986, graduated from University Politehnica Timisoara, Romania, as Bachelor and PhD. She is pursuing research and teaching activities in the field of materials science.

                Dr. Corneliu Marius Crăciunescu, born 1960, graduated as Bachelor and PhD from Politehnica University Timisoara, Romania and is currently Professor of Materials Science, Materials and Heat Treatments and Failure Metallography. He has pursied teaching and research activities in Romania, as a Fullbright Senior Scholar at University of Maryland, USA, and as a Cencia Scholar at Universidade Nova de Lisboa, Portugal. In the field of materials science, his scientific focus is on phase transitions in advanced materials.

                Article
                MP110911
                10.3139/120.110911
                06583cdd-a2b5-415b-ad5f-118d4f33f662
                © 2016, Carl Hanser Verlag, München
                History
                Page count
                References: 14, Pages: 6
                Categories
                Fachbeiträge/Technical Contributions

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

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