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

表1 LNT Cu和HNT Cu的室温拉伸性能

Table 1 Tensile properties of LNT Cu and HNT Cu samples at room temperature

Sample	σ_y / MPa	σ_uts / MPa	δ_u / %	$Δ σ / σ_{y}^{R O M}$ / %
LNT-10%	425 ± 12	465 ± 12	5.7 ± 0.7	2.9 ± 2.9
LNT-50%	372 ± 13	419 ± 2	9.9 ± 0.5	13.4 ± 4
LNT-90%	262 ± 9	328 ± 3	17.0 ± 0.9	8.3 ± 3.7
HNT- $Ⓐ$	434 ± 9	501 ± 14	1.6 ± 0.1	-
HNT- $Ⓓ$	221 ± 13	281 ± 6	21.7 ± 1.6	-