Analysis of the Grain Orientation and Texture of Friction Stir Welded Magnesium Alloy

Wei Ping Xu; Li Xing; Ling Min Ke

doi:10.4028/www.scientific.net/MSF.620-622.97

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HomeMaterials Science ForumMaterials Science Forum Vols. 620-622Analysis of the Grain Orientation and Texture of...

Analysis of the Grain Orientation and Texture of Friction Stir Welded Magnesium Alloy

Abstract:

The grain orientations and microtextures in a friction–stir–welded magnesium alloy AZ80A were analyzed by Orientation Imaging Microscopy (OIM).The results showed that times random of grain orientations in the nugget zone were not strong and orientations were variety. They brought on very fine equiaxed grains. It also showed that deformation texture of {1,-1,0,4}<1,0,-1,0> was a few departure 20deg from the sample normal, The grains in the nugget zone from the base metal inherited the deformation texture of {1, -1,0,4}<1,0,-1,0> . It was concluded that re-crystallized grains in the nugget zone formed by a continuous dynamic re-crystallized mechanism.