热处理对电弧定向能量沉积Al-Zn-Mg-Cu-Sc合金显微组织与力学性能的影响
秦凤明, 李亚菲, 李亚杰, 赵晓东, 梁上上, 陈金秋

Effect of Heat Treatment on the Microstructural Characteristics and Mechanical Properties of Al-Zn-Mg-Cu-Sc Alloy Prepared via Wire-Arc Directed Energy Deposition Process
QIN Fengming, LI Yafei, LI Yajie, ZHAO Xiaodong, LIANG Shangshang, CHEN Jinqiu
图4 沉积态与时效态电弧DED合金的晶界图和取向差角统计结果
Fig.4 Grain boundary maps and misorientation angle statistical results (insets) of the wire-arc DED alloys under the as-deposited state (a) and as-aged at 470 oC, 4 h + 120 oC, 12 h (b), 470 oC, 4 h + 120 oC, 18 h (c), and 470 oC, 4 h + 120 oC, 24 h (d) (Red and blue grain boundaries represent low angle grain boundaries (LAGBs) and high angle grain boundaries (HAGBs), respectively)