耐热铝合金：组织设计与合金制备

孙军, 刘刚, 杨冲, 张鹏, 薛航

Heat-Resistant Al Alloys: Microstructural Design and Preparation

SUN Jun, LIU Gang, YANG Chong, ZHANG Peng, XUE Hang

图2 Al-Cu-Sc合金中θ'-Al2Cu沉淀相截面高角环形暗场(HAADF)像及相应的Cu和Sc原子分布[10]，及300 ℃下稳态蠕变速率随蠕变应力的变化及其与其他铝合金或铝基复合材料性能对比

Fig.2 Representative high-angle annular dark field (HAADF) image and corresponding Cu and Sc mappings of a cross-sectioned θ'-Al2Cu nanoprecipitate in the Al-Cu-Sc alloy[10] (a) and dependence of steady state creep rate on creep stress at 300 oC, in comparison with available data of other Al alloys and Al-based composites (b) (Arrow in Fig.2b indicates an increase in creep property achieved in our work)