电弧增材制造航空AA2024铝合金的微观结构及其腐蚀行为研究

赵海洋, 高多龙, 张童, 吕由, 张宇鹏, 张欣欣, 石鑫, 魏晓静, 刘冬梅, 董泽华

Microstructure and Corrosion Evolution of Aerospace AA2024 Al-Alloy Thin Wall Structure Produced Through WAAM

ZHAO Haiyang, GAO Duolong, ZHANG Tong, LV You, ZHANG Yupeng, ZHANG Xinxin, SHI Xin, WEI Xiaojing, LIU Dongmei, DONG Zehua

图7 浸泡30 min和10 h后WAAM薄壁结构的SEM形貌

Fig.7 SEM micrographs of the WAAM thin wall structure after 30 min immersion: surface morphology (a), local magnification of the MPB region (b), cross-section morphology (c) and after 10 h immersion: surface morphology (d), surface morphology with corrosion products removed (e)