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Herstellung und Bewertung der Umformbarkeit von reibrührgeschweißten Tailored Blanks aus Aluminiumlegierungen
Friction Stir Welding (FSW) offers an attractive alternative to conventional fusion welding processes because of the excellent properties (particularly ductility), reproducibility, robustness, and surface finished obtained with FSW. However, questions have been raised regarding the productivity of FSW against fusion welding methods. TWBs from the aluminum alloys 5754-H22 and 6181-T4 with different gauges (1 to 2 mm) are produced and tested. Welding speeds up to 10 m/min have been systematically investigated. The welds produced have been subjected to microstructural analysis, mechanical testing and formability analysis.
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