Rediscovery of Hall-Petch strengthening in bulk ultrafine grained pure Mg at cryogenic temperature: a combined in-situ neutron diffraction and electron microscopy …

R Zheng, W Gong, J Du, S Gao, M Liu, G Li… - Acta Materialia, 2022 - Elsevier
Grain refinement can lead to the strengthening of metallic materials according to the Hall-
Petch relationship. However, our recent results suggested that grain boundary sliding is the …

Tailoring microstructure and properties of fine grained magnesium alloys by severe plastic deformation

A Vinogradov, VN Serebryany… - Advanced Engineering …, 2018 - Wiley Online Library
Modern wrought magnesium alloys have poor formability at room temperature, which
impedes the wider uptake of these alloys by the industry. Over the last decades, research …

Effect of grain refinement and dispersion of particles and reinforcements on mechanical properties of metals and metal matrix composites through high-ratio differential …

A Bahmani, WJ Kim - Materials, 2020 - mdpi.com
A differential speed rolling (DSR) technique that provides capability of producing large-scale
materials with fine grains and controlled texture in a continuous manner has attracted …

Deformation behavior of ultrafine-grain (UFG) AZ31B Mg alloy at room temperature

Q Yang, AK Ghosh - Acta materialia, 2006 - Elsevier
To facilitate the wider application of wrought Mg alloys as structural materials, it is desirable
to improve the formability and minimize the strength anisotropy inherent in these materials …

Producing nanograined microstructure in Mg–Al–Zn alloy by two-step friction stir processing

CI Chang, XH Du, JC Huang - Scripta materialia, 2008 - Elsevier
Nanograined structures with an average grain size of∼ 85nm have been achieved in
solution hardened AZ31 magnesium alloy by two-pass friction stir processing under rapid …

Static recrystallization kinetics of a heavily cold drawn AZ31 magnesium alloy under annealing treatment

HY Chao, HF Sun, WZ Chen, ED Wang - Materials Characterization, 2011 - Elsevier
AZ31 Mg alloy extrusion wires were successfully cold drawn to a cumulative area reduction
of 61% at room temperature and then subjected to various annealing treatments …

Simultaneously improved mechanical and thermal properties of Mg-Zn-Zr alloy reinforced by ultra-low content of graphene nanoplatelets

X Du, W Du, Z Wang, K Liu, S Li - Applied Surface Science, 2021 - Elsevier
Abstract Mg-Zn-Zr (ZK60) alloys reinforced by ultra-low content (< 0.1 wt%) of graphene
nanoplatelets (GNPs) were fabricated via stirring cast and extrusion processes. In …

Microstructure and tensile behavior of a friction stir processed magnesium alloy

B Mansoor, AK Ghosh - Acta materialia, 2012 - Elsevier
In this work the effect of multi-pass friction stir processing (FSP) followed by warm pressing
on an as-extruded ZK60Mg plate was investigated. The microstructure, texture and resulting …

Enhancement of tensile ductility and stretch formability of AZ31 magnesium alloy sheet processed by cross-wavy bending

Q Huo, X Yang, H Sun, B Li, J Qin, J Wang… - Journal of alloys and …, 2013 - Elsevier
The microstructure and texture evolution in the sheets of AZ31 magnesium alloy was studied
by means of cross-wavy bending for 4 passes at 673 K. The bended samples were …

Microstructure and mechanical properties of AZ31B magnesium alloy by friction stir welding

S Ugender, A Kumar, AS Reddy - Procedia materials science, 2014 - Elsevier
Friction stir welded Mg AZ31B alloy have been investigated. Friction stir welding (FSW) is
carried out at different rotational speeds of 900 rpm, 1120 rpm, 1400 rpm and 1800 rpm and …