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

Journal Materials Science Forum (Volumes 620 - 622)
Volume Eco-Materials Processing and Design X
Edited by Hyungsun Kim, JienFeng Yang, Tohru Sekino and Soo Wohn Lee
Pages 97-100
DOI 10.4028/www.scientific.net/MSF.620-622.97
Citation Wei Ping Xu et al., 2009, Materials Science Forum, 620-622, 97
Online since April, 2009
Authors Wei Ping Xu, Li Xing, Ling Min Ke
Keywords Friction Stir Welding (FSW), Magnesium Alloy, OIM, Pole Figure, Texture
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.

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