铝合金中的溶质原子团簇及其强韧化
刘刚, 张鹏, 杨冲, 张金钰, 孙军

Aluminum Alloys: Solute Atom Clusters and Their Strengthening
LIU Gang, ZHANG Peng, YANG Chong, ZHANG Jinyu, SUN Jun
图2 Al-3.6%Cu-1.6Mg合金经过不同预变形后的自然时效电阻率相对变化-时效时间曲线,0和9% 2种不同预变形量试样自然时效稳定后的Cu-Mg原子团簇APT像(尺寸:20 nm × 20 nm × 40 nm)[68]
Fig.2 Aging time-dependent relative increase in electrical resistivity (Δρ / ρ0, ρ0 is the electrical resistivity at quenched condition (or aging time = 0)) of naturally aged Al-3.6%Cu-1.6Mg alloy after different pre-strains (0, 2.0%, 4.5%, 6.0%, and 9.0%) (a), representative APT images showing Cu-Mg clusters in the naturally-aged alloys with pre-strains of 0 and 9.0%, respectively (b)[68]