Microstructure Evolution and Mechanical Properties of Multilayer AA6061 Alloy Fabricated by Additive Friction Stir Deposition. - Chen, Lan; Lu, Linkai; Zhu, Lei; Yang, Zhiwei; Zhou, Wangfan; Ren, Xudong; Zhang, Xinzhou (Metallurgical & Materials Transactions. Part A, 2024)