Microtexture Analysis of Friction Stir Welded Al 6061-T651 Plates

Suk Hoon Kang; Woong Ho Bang; Jae Hyung Cho; Heung Nam Han; Kyu Hwan Oh; Chang Gil Lee; Sung Joon Kim

doi:10.4028/www.scientific.net/MSF.495-497.901

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HomeMaterials Science ForumMaterials Science Forum Vols. 495-497Microtexture Analysis of Friction Stir Welded Al...

Microtexture Analysis of Friction Stir Welded Al 6061-T651 Plates

Abstract:

Microstructural characteristics of friction-stir-welded Al 6061-T651 with varying rotating and advancing speed were examined by the electron backscattering diffraction (EBSD) installed in field emission-scanning electron microscopy (FE-SEM). It was found that FSW produced an equiaxed fine-grained microstructure in weld zone and the grain size in weld zone decreased up to about 4~6 µm with decreasing rotating speed. The primary textures developed in weld zone were {100}<001>, {110}<001> and {111}<110>. In thermo-mechanical affected zone, the change in grain size was not significant, however, large number of low angle grain boundaries were observed, which seems to be concerned with the formation of subgrains due to the development of dislocation cells.

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Periodical:

Materials Science Forum (Volumes 495-497)

Pages:

901-906

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.495-497.901

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Online since:

September 2005

Authors:

Suk Hoon Kang, Woong Ho Bang, Jae Hyung Cho, Heung Nam Han, Kyu Hwan Oh, Chang Gil Lee, Sung Joon Kim

Keywords:

AA6061-T651, Electron Backscatter Diffraction (EBSD), Friction Stir Welding (FSW), Microtexture

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