双峰分离非基面织构AZ31镁合金板材反常中温轧制变形行为及机理

吴泽威, 颜俊雄, 胡励, 韩修柱

Abnormal Rolling Behavior and Deformation Mechanisms of Bimodal Non-Basal Texture AZ31 Magnesium Alloy Sheet at Medium Temperature

WU Zewei, YAN Junxiong, HU Li, HAN Xiuzhu

图3 基面织构AZ31镁合金板材中温轧制样品微观结构特征的EBSD分析

Fig.3 EBSD analyses of microstructural characteristics of AZ31 magnesium alloy sheets with initial basal texture after the first (a1-a3), second (b1-b3), and fourth (c1-c3) passes of rolling at medium temperature (ET—extension twin, CT—compression twin, ST—secondary twin, HAGB—high angle grain boundary, LAGB—low angle grain boundary) (a1-c1) IPFs (a2-c2) grain boundary (GB) maps (a3-c3) grain orientation spread (GOS) maps