Influence of Preheating on the Microstructure of a Hot Extruded Nickel-Based Superalloy. - Zhu, Jun-Cheng; Lin, Yong-Cheng; Ling, Yun-Han; Li, Shu-Xin; Chen, Zi-Jian; Qiu, Yu-Liang (Materials (1996-1944), 2025)