基于原位电阻法的7A65铝合金厚板双级时效工艺

肖文龙, 臧晨阳, 郭锦涛, 冯佳文, 马朝利

Two-Stage Aging Process of 7A65 Aluminum Alloy Thick Plate Based on In Situ Resistance Method

XIAO Wenlong, ZANG Chenyang, GUO Jintao, FENG Jiawen, MA Chaoli

图10 最佳双级时效工艺下7A65铝合金板材不同厚度的轧向(RD)工程应力-应变曲线及对应的数字图像相关处理技术(DIC)分析

Fig.10 Typical engineering stress-strain curves along RD (a) and digital image correlation (DIC) analyses of speciments of surface (b-d), H / 4 (e, f), and H / 2 (g-i) positions in 7A65 Al alloy plates at strains of 0.03 (b, e, g), 0.06 (c, f, h), and 0.09 (d, i) under optimal two-stage aging process