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1 铝合金中不同溶质原子扩散速率随温度的变化[6,7]及400 ℃下扩散速率与过饱和固溶度的关系[5]

Fig.1 Temperature-dependent diffusivity of typical solutes[6,7] (a) and 400 oC diffusivity vs excess solid solubility (Cmax - C400: the difference between the maximum solid solubility and the solid solubility at 400 oC, atomic fraction, %) of typical solutes[5] (b) in Al alloys