从局域应力/应变视角理解异构金属材料的强韧化行为
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范国华, 缪克松, 李丹阳, 夏夷平, 吴昊
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Unraveling the Strength-Ductility Synergy of Heterostructured Metallic Materials from the Perspective of Local Stress/Strain
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FAN Guohua, MIAO Kesong, LI Danyang, XIA Yiping, WU Hao
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图5 具有3D界面的Cu/Nb层状异构材料的组织表征与力学性能[42,43]
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Fig.5 The microstructures and properties of Cu/Nb layered heterostructured material with 3D interface[42,43]
(a) a high density of dislocations at 3D interface[42]
(b) stress-strain plots for micropillar compression[42] (—strain rate) (c, d) microstructures[42] (e, f) TEM images (PVD—physical vapor deposition, ARB—accumulative roll bonding)[42] (g, h) HRTEM images[43] (i, j) schematic diagrams of dislocation behaviors[43]
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