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Microstructural and Mechanical Investigations of Friction Stir Welded TI/TI- And TI-Alloy/TI-Alloy-Joints

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Friction Stir Welding and Processing VII

Abstract

Friction Stir Welding (FSW) is an efficient welding technique to join light-weight materials in ductile material condition. Especially for aerospace applications FSW of cp-titanium and Ti-alloys is of high scientific and technological interest. At the Institute of Materials Science and Engineering (WKK) friction stir welds of 1.2 mm thick cp-titanium and Ti6A14V sheets were produced. To analyze the microstructure of the welding zone in detail light- and scanning electron-microscopic investigations were carried out. By EBSD it was possible to describe the material flow in the welding zone. The mechanical properties were characterized by two dimensional micro-hardness measurements and strain controlled tensile tests. For welds with cp-titanium a yield point of 345 MPa and an ultimate tensile strength of 450 MPa were achieved.

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Author information

Authors and Affiliations

  1. Institute of Materials Science and Engineering (WKK), University of Kaiserslautern, Gottlieb-Daimler-Strasse, 67667, Kaiserslautern, Germany

    N. Buhl, G. Wagner & D. Eifler

  2. PFW Aerospace AG, Am neuen Rheinhafen 10, 67346, Speyer, Germany

    M. Gutensohn & F. Zillekens

Authors
  1. N. Buhl
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  2. G. Wagner
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  3. D. Eifler
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  4. M. Gutensohn
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  5. F. Zillekens
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Editor information

Editors and Affiliations

  1. Department of Materials Science and Engineering, University of North Texas, USA

    Rajiv Mishra Ph.D. (Professor, UNT Site Director, Fellow) (Professor, UNT Site Director, Fellow)

  2. Structural Metals Department, Rockwell Scientific, USA

    Murray W. Mahoney B.S., M.S. (Prior, Manager/Senior Scientist) (Prior, Manager/Senior Scientist)

  3. Department of Materials Processing, Tohoku University, Japan

    Yutaka Sato Ph.D. (Associate Professor) (Associate Professor)

  4. Pacific Northwest National Laboratory, USA

    Yuri Hovanski B.S., M.S. (Research Engineer) (Research Engineer)

  5. Manufacturing Systems Research Laboratory, General Motors Global Research and Development Center, Warren, Michigan, USA

    Ravi Verma Ph.D. (Staff Researcher) (Staff Researcher)

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© 2013 TMS (The Minerals, Metals & Materials Society)

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Buhl, N., Wagner, G., Eifler, D., Gutensohn, M., Zillekens, F. (2013). Microstructural and Mechanical Investigations of Friction Stir Welded TI/TI- And TI-Alloy/TI-Alloy-Joints. In: Mishra, R., Mahoney, M.W., Sato, Y., Hovanski, Y., Verma, R. (eds) Friction Stir Welding and Processing VII. Springer, Cham. https://doi.org/10.1007/978-3-319-48108-1_15

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