组元占比对层状纳米孪晶<strong>Cu</strong>力学行为的影响

组元占比对层状纳米孪晶Cu力学行为的影响

万涛, 程钊, 卢磊

Effect of Component Proportion on Mechanical Behaviors of Laminated Nanotwinned Cu

WAN Tao, CHENG Zhao, LU Lei

图4 LNT Cu拉伸变形前后侧表面高度起伏轮廓和分布曲线以及相对侧向应变(Δε_y)分布

Fig.4 Illustration of tensile specimen and the observed area (a), CLSM images (b1-d1, b2-d2) and corresponding average height profile (b3-d3) and average relative lateral strain (Δε_y) (b4-d4) of LNT-10% (b1-b4), LNT-50% (c1-c4), and LNT-90% (d1-d4) deformed at ε_app = 0 and 6%, respectively (The area closed by white dashed lines in Fig.4b2 indicates the strain localization zone. |Δε $_{y}^{Ⓐ - Ⓓ}$ | is maximal lateral strain difference between component $Ⓐ$ and $Ⓓ$ , η_y is lateral strain gradient)