图4. 不同应变(ε)下单晶预制孔洞半径为0.6 nm，多晶预制孔洞半径为0.5 nm和单晶/多晶界面预制孔洞半径为0.6 nm的拉伸原子图

Fig.4. Atomic snapshots of single crystal/polycrystalline nickel composites, as shown in Fig.1, with prefabricated voids with R=0.6 nm near the single crystal side (a~c), prefabricated voids with R=0.5 nm near the polycrystal side (d~f) and prefabricated voids with R=0.6 nm near the interface in single crystal/polycrystalline nickel interface (g~i) under different ε
(a) ε=0.099 (b) ε=0.139 (c) ε=0.199
(d) ε=0.069 (e) ε=0.246 (f) ε=0.346
(g) ε=0.034 (h) ε=0.256 (i) ε=0.369