Effect of Annealing on the Microstructure and Properties of In-situ Cu-Nb Microcomposite Wires

Li-Ping Deng, Bing-Shu Wang, Hong-Liang Xiang, Xiao-Fang Yang, Rong-Mei Niu, Ke Han

Fig. 3 Longitudinal microstructures of Cu-Nb microcomposite wires after annealing at different temperatures for 1 h: a 400 °C, the inset showing the cross-sectional image, b 500 °C, c 600 °C, d 700 °C, e 800 °C, f 900 °C; the arrows showing drawing direction (DD) or the wire axis