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图4. AC730样品的EBSD像及5°以上界面(红线)分布图,及点A到点B连线上各界面的取向差角度

Fig.4. EBSD map of AC730 sample and grain boundaries above 5° (red lines) (a) and misorientation angle of every boundaries along the line between A and B in Fig.4a (b)Color online