From: Thermal Stability of Ultrafine Grained CuCrZr Alloy Produced by Continuous Extrusion

Hui Feng, Haichang Jiang, Desheng Yan, Lijian Rong

Figure 6. Microstructure of the Cu-0.36Cr-0.15Zr samples annealed at 500 oC (a) and 600 oC (b) for 1 h