[HTML][HTML] Effects of deformation twins on microstructure evolution, mechanical properties and corrosion behaviors in magnesium alloys-a review

L Li, W Liu, F Qi, D Wu, Z Zhang - Journal of Magnesium and Alloys, 2022 - Elsevier
Due to lattice reorientation, grain segmentation, induced recrystallization, twins play a very
important role in regulating texture, refining grains, improving mechanical properties and …

Plasticity in small-sized metallic systems: Intrinsic versus extrinsic size effect

JR Greer, JTM De Hosson - Progress in Materials Science, 2011 - Elsevier
A material strength depends on its microstructure, which in turn, is controlled by an
engineering process. Strengthening mechanisms like work hardening, precipitate, and grain …

Large plasticity in magnesium mediated by pyramidal dislocations

BY Liu, F Liu, N Yang, XB Zhai, L Zhang, Y Yang, B Li… - Science, 2019 - science.org
Lightweight magnesium alloys are attractive as structural materials for improving energy
efficiency in applications such as weight reduction of transportation vehicles. One major …

The origins of high hardening and low ductility in magnesium

Z Wu, WA Curtin - Nature, 2015 - nature.com
Magnesium is a lightweight structural metal but it exhibits low ductility—connected with
unusual, mechanistically unexplained, dislocation and plasticity phenomena—which makes …

Rejuvenation of plasticity via deformation graining in magnesium

BY Liu, Z Zhang, F Liu, N Yang, B Li, P Chen… - Nature …, 2022 - nature.com
Magnesium, the lightest structural metal, usually exhibits limited ambient plasticity when
compressed along its crystallographic c-axis (the “hard” orientation of magnesium). Here we …

Evolution of dislocation and twin densities in a Mg alloy at quasi-static and high strain rates

M Wang, XY Xu, HY Wang, LH He, MX Huang - Acta Materialia, 2020 - Elsevier
The present work, for the first time, quantitatively studies the evolution of both dislocations
and deformation twins with various strain rates in an ATZ311 Mg alloy. Interrupted tensile …

Ductility enhancement in Mg-0.2% Ce alloys

RK Sabat, AP Brahme, RK Mishra, K Inal, S Suwas - Acta Materialia, 2018 - Elsevier
Ductility of Mg alloys can be enhanced by alloying, controlling the grain size and
randomizing the texture. In this study, Mg-0.2% Ce alloys were processed using rolling, multi …

Mechanistic investigation on Ce addition in tuning recrystallization behavior and mechanical property of Mg alloy

JR Li, DS **e, ZR Zeng, B Song, HB **e, RS Pei… - Journal of Materials …, 2023 - Elsevier
Constructing bimodal grain structure is a promising approach to achieve the high strength-
ductility synergy in Mg alloy. Formation of bimodal grain is closely related to the dynamic …

Significant disparity of non-basal dislocation activities in hot-rolled highly-textured Mg and Mg-3Al-1Zn alloy under tension

D Zhao, X Ma, A Srivastava, G Turner, I Karaman… - Acta Materialia, 2021 - Elsevier
It is well-established that Mg-3Al-1Zn (AZ31) alloy exhibits much better tensile ductility than
pure Mg. However, the underlying mechanisms for such difference still remain relatively …

Effect of grain size on slip activity in pure magnesium polycrystals

CM Cepeda-Jiménez, JM Molina-Aldareguia… - Acta Materialia, 2015 - Elsevier
The aim of this work is to investigate the effect of grain size on slip activity, a critical issue for
materials design that remains unsolved. Three pure magnesium polycrystals with average …