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4 Al-Ce-Cu-Sc合金中多层级异质相组织的SEM像、TEM像和APT像，及该材料在300 ℃下稳态蠕变速率随蠕变应力的变化及其与不含Sc对应材料的对比

Fig.4 Representative SEM (a), TEM (b), and APT (c) images showing the multiscale microstructural features in the Al-Ce-Cu-Sc alloy; and dependence of steady state creep rate on creep stress at 300 oC, in comparison with its Sc-free Al alloys (d)