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8 MPB中典型局部腐蚀部位截面HAADF像及典型纳米粒子的EDX、高分辨TEM像和电子衍射像

Fig.8 HAADF micrograph of the cross section at a typical localized corrosion site in MPB (a), framed area in Fig.8a at increased magnification (b), EDX spectrum (c), high resolution TEM micrograph (d) and electron diffraction of a typical nanoparticle in Fig.8b (e)