Gradient plasticity in gradient nano-grained metals

By Z. Zeng, Xiaoyan Li, Dongsheng Xu, Lei Lu, Huajian Gao, Ting Zhu. 2016

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On Strain Hardening Mechanism in Gradient Nanostructures (2021, background): “D structures, in which the grain size varies only across two length scales (~10 nm e ~100 nm) (Li et al., 2015b; Liu and Mishnaevsky Jr., 2014; Zeng et al., 2016), because of the high computational cost, whereas the theoretical investigations tend to focus on 1-”
Heterostructured materials: superior properties from hetero-zone interaction (2020, background): “for uniaxial tension of gradient nanograined metals [228].”
Extra strengthening and work hardening in gradient nanotwinned metals (2018, background): “Dislocation type GNT-4, r (1013 m–2) Homogeneous, r (1013 m–2) Ⓐ Ⓓ Ⓐ Ⓓ BCD Average BCD Average Mode I 4.3 2.9 3.0 1.4 A few near GBs .”
Dense dispersed shear bands in gradient-structured Ni (2020, background): “In addition, the dislocation pile-up near this elastic/plastic interface also contributes to stress concentration (Wu et al., 2015; Zeng et al., 2016).”