Microstructural evolution in friction stir welds on 6061-T651

Lienert T.J. and
Grylls R.J.

1st International Symposium

June 1999

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Description

The influence of friction stir welding on the microstructure and mechanical properties of aluminium alloy 6061 was investigated. Aluminium alloy 6061-T651 plate of 6.4 mm (0.25 in) thickness was friction stir welded and the joints characterised by optical microscopy, transmission electron microscopy, energy dispersive x-ray spectroscopy, and measurements of microhardness and ultimate tensile strength.

1st International Symposium, 14-16 Jun 1999, Session 11: Microstructures 2, Paper 02

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Subjects

Friction welding
Welding
Process
Friction stir welding
Microstructure
Aluminium and Al alloys
Nonferrous
Material
6xxx Al series
Mechanical properties
Properties
Hardness
Strength
Ultimate tensile strength
Weldability