It is found that the orientation of the sheet processed by ECAR is changed and the crystal orientation evolves from (0002) basal plane orientation to coexistence of basal plane and non-basal plane.
结果表明：经等径角轧制后的板材，晶粒取向由等径角轧制前的(0002)基面取向演化为基面与非基面共存的取向。
Normal rolling sheets have obvious preferred grain orientation and basal plane (0002) is parallel to the rolling plane.
常规轧制板材具有明显的晶粒择优取向，大部分晶粒的(0002)基面都平行于轧板表面。
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