不同温度轧制Al-Zn-Mg-Cu合金再结晶后的{111}/{111}近奇异晶界

王宗谱, 王卫国, Rohrer Gregory S, 陈松, 洪丽华, 林燕, 冯小铮, 任帅, 周邦新

{111}/{111} Near Singular Boundaries in an Al-Zn-Mg-Cu Alloy Recrystallized After Rolling at Different Temperatures

WANG Zongpu, WANG Weiguo, Rohrer Gregory S, CHEN Song, HONG Lihua, LIN Yan, FENG Xiaozheng, REN Shuai, ZHOU Bangxin

图1 样品A~E的取向成像显微(OIM)像、晶界网络(GBN)图和晶界取向差分布(MD)

Fig.1 Orientation imaging microscopy (OIM) images (a, d, g, j, m), grain boundary networks (GBN) maps (b, e, h, k, n), and misorientation distributions (MD) (c, f, i, l, o) for the samples A (a-c), B (d-f), C (g-i), D (j-l), and E (m-o) (Black arr-ows in Figs.1b and h show the fine grains developed from the nucleus of discontinuous recrystallization (DRX); black and red dotted lines in Figs.1d and e show the banded grain clusters came from continuous recrystallization (CRX); red arrows in Figs.1k and n show the grains of abnormal growth; red-dotted-line circle areas show the relative fine grains produced by DRX)