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《Journal of University of Science and Technology Beijing》 2008-03
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Effect of deformation parameters on the deformation resistance of AZ31 alloy

DING Rui, CAI Qingwu, WEI SongboNational Engineering Research Center for Advance Rolling Technology, University of Science and Technology Beijing, Beijing 100083, China  
The hot compression behaviors of AZ31 magnesium alloy at 250~400 ℃ and a strain rate of 0.5~3.0 s-1 were investigated by means of isothermal compression test on a Gleeble-1500 thermal mechanical simulator. The true strain-true stress curves of AZ31 alloy under different deformation conditions were obtained. The microstructure after deformation was observed by optical microscopy. The results showed that dynamic recrystallization was a main mechanism responsible for grain refinement under the test conditions and was influenced by deformation parameters.
【CateGory Index】: TG146.22
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