The configurations and the motions of grain boundary dislocations(GBD)andthe interations of the GBD with the precipatation particles in the grain boundary(GB)were ob-served with the TEM.
用透射电镜详细观察了含微量稀土的 Al-Zn-Mg 合金在超塑变形过程中晶界位错的形态、运动及其与晶界第二相粒子的相互作用情况。