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Metallurgy, Vol. 54 No. 2, 2015.

Preliminary communication

Welding defects at friction stir welding

P. Podržaj ; Faculty of Mechanical Engineering, University of Ljubljana, Ljubljana, Slovenia
B. Jerman ; Faculty of Mechanical Engineering, University of Ljubljana, Ljubljana, Slovenia
D. Klobčar ; Faculty of Mechanical Engineering, University of Ljubljana, Ljubljana, Slovenia

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Abstract

The paper presents an overview of different types of defects at friction stir welding. In order to explain the reasons for their occurrence a short theoretical background of the process is given first. The main emphasis is on the parameters that influence the process. An energy supply based division of defects into three disjoint groups was used. The occurring defects are demonstrated on various materials.

Keywords

friction stir welding; welding parameters; welding defects; friction stir channeling

Hrčak ID:

128969

URI

https://hrcak.srce.hr/128969

Publication date:

1.4.2015.

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