Stabilizing nanostructures in metals using grain and twin boundary architectures

K Lu - Nature Reviews Materials, 2016 - nature.com
Forming alloys with impurity elements is a routine method for modifying the properties of
metals. An alternative approach involves the incorporation of interfaces into the crystalline …

History-independent cyclic response of nanotwinned metals

Q Pan, H Zhou, Q Lu, H Gao, L Lu - Nature, 2017 - nature.com
Nearly 90 per cent of service failures of metallic components and structures are caused by
fatigue at cyclic stress amplitudes much lower than the tensile strength of the materials …

Beating hydrogen with its own weapon: Nano-twin gradients enhance embrittlement resistance of a high-entropy alloy

H Luo, W Lu, X Fang, D Ponge, Z Li, D Raabe - Materials Today, 2018 - Elsevier
High-entropy alloys have shown exceptional damage tolerance at cryogenic temperatures.
Here we report that this essential property can be maintained even when exposing the …

Fracture, fatigue, and creep of nanotwinned metals

X Li, M Dao, C Eberl, AM Hodge, H Gao - MRS Bulletin, 2016 - cambridge.org
As a relatively new class of hierarchically structured materials, nanotwinned (NT) metals
exhibit an exceptional combination of high strength, good ductility, large fracture toughness …

Anisotropic toughening of nanotwin bundles in the heterogeneous nanostructured Cu

HZ Zhao, ZS You, NR Tao, L Lu - Acta Materialia, 2022 - Elsevier
In the first report [HZ Zhao, ZS You, NR Tao, L. Lu, Acta Mater. 210 (2021) 116830],
anisotropic strengthening of nanotwin bundles in the heterogeneous nanostructured (HNS) …

Trans-twin dislocations in nanotwinned metals

L Bu, Z Cheng, Y Zhang, HA Wu, T Zhu, L Lu - Scripta Materialia, 2023 - Elsevier
The strength-controlling dislocation mechanism of a material can be illuminated by partition
of the flow stress into its effective stress and back stress components. Recent experiments …

Effects of laser powder bed fusion process parameters on microstructure and hydrogen embrittlement of high-entropy alloy

H Cheng, H Luo, Z Pan, X Wang, Q Zhao, Y Fu… - Journal of Materials …, 2023 - Elsevier
Hydrogen embrittlement behavior, micro-deformation, and crack propagation mechanism of
CoCrFeNiMn high-entropy alloy (HEA) fabricated by laser powder bed fusion (LPBF) under …

Heavily twinned CoCrNi medium-entropy alloy with superior strength and crack resistance

X Feng, H Yang, R Fan, W Zhang, F Meng… - Materials Science and …, 2020 - Elsevier
The recrystallized and pre-deformed CoCrNi medium-entropy alloy (MEA), introduced with
high-density deformation twins, exhibits an unprecedented high yield strength up to 2.1 GPa …

Trapping layers prevent dopant segregation and enable remote doping of templated self-assembled InGaAs Nanowires

C Huang, D Dede, N Morgan, V Piazza, X Hu… - Nano …, 2023 - ACS Publications
Selective area epitaxy is a promising approach to define nanowire networks for topological
quantum computing. However, it is challenging to concurrently engineer nanowire …

[HTML][HTML] Effective design space exploration of gradient nanostructured materials using active learning based surrogate models

X Chen, H Zhou, Y Li - Materials & Design, 2019 - Elsevier
Inspired by gradient structures in the nature, Gradient Nanostructured (GNS) metals have
emerged as a new class of materials with tunable microstructures. GNS metals can exhibit …