Microstructural evolution and synergistic effect of Er and θ′ phases of a novel Al–Cu–Mn–Er–Zr alloy during friction stir welding. - Yang, Hongxing; Zhang, Dongwei; Rong, Li; Ma, Chenxi; Chen, Jiongshen; Wei, Wu; Huang, Hui; Shi, Xiaocheng; Wen, Shengping; Gao, Kunyuan; Wu, Xiaolan; Wang, Zezhong (Journal of Materials Science, 2025)