Effects of use of higher strength interlayer and external cooling on properties of friction stir welded AA6061-T6 joints

Science and Technology of Welding and Joining - Tập 19 Số 8 - Trang 715-720 - 2014
G. Çam1, Güven İpekoğlu1, Hüseyin Tarık SERİNDAĞ2
1Mustafa Kemal University, Faculty of Engineering, 31200 İskenderun/Hatay, Turkey
2Faculty of Engineering, Dokuz Eylul University, 35160 Buca/İzmir, Turkey

Tóm tắt

Although sound AA6061-T6 joints can be produced by friction stir welding, a loss in strength takes place in the weld region. In this study, it was demonstrated that the strength of the nugget could be increased by the use of a higher strength interlayer during friction stir welding. This strength recovery cannot, however, be attainable in the heat affected zone. Although an external cooling was applied during welding in order to increase strength in the heat affected zone, it was not sufficient for achieving the required cooling condition for improved strength.

Từ khóa


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