Effects of Zn on< c+ a> slip and grain boundary segregation of Mg alloys

HS Jang, BJ Lee - Scripta Materialia, 2019 - Elsevier
Using atomistic simulations, we investigated the effects of Zn on Mg alloys to reveal the
mechanism underlying the good ductility and strong basal texture of Mg-Zn solid solutions at …

Effect of solutes on strength and ductility of Mg alloys

DF Shi, MT Pérez-Prado, CM Cepeda-Jiménez - Acta Materialia, 2019 - Elsevier
This work investigates the origin of the simultaneous increase in strength and ductility that
takes place in Mg polycrystals alloyed with Al and Zn solutes. With that purpose, twelve …

Dislocation binding as an origin for the improvement of room temperature ductility in Mg alloys

KH Kim, JH Hwang, HS Jang, JB Jeon, NJ Kim… - Materials Science and …, 2018 - Elsevier
Improving room temperature ductility and formability is a bottleneck for a wide industrial
application of Mg alloys, but even the mechanism for the effect of alloying elements on the …

Deformation induced solute segregation and GP zone formation in Mg-Al and Mg-Zn binary alloys

TT Sasaki, JY Lin, P Yi, ZH Li, SE Prameela, A Park… - Scripta Materialia, 2022 - Elsevier
A dispersion of Guinier Preston (GP) zones yields attractive mechanical properties in
wrought magnesium alloys. However, the precipitation of GP zones has been reported in a …

Origins of high ductility exhibited by an extruded magnesium alloy Mg-1.8 Zn-0.2 Ca: experiments and crystal plasticity modeling

J Wang, G Zhu, L Wang, E Vasilev, JS Park… - Journal of Materials …, 2021 - Elsevier
Low ductility and strength are major bottlenecks against Mg alloys' wide applications. In this
work, we systematically design the composition and fabrication process for a low-alloyed Mg …

A comparative study on grain boundary segregation and solute clustering in Mg-Al-Zn and Mg-Zn-Ca alloys

HS Jang, D Seol, BJ Lee - Journal of Alloys and Compounds, 2022 - Elsevier
Magnesium, the lightest structural metal, has limited industrial application due to its poor
formability at room temperature. However, the mechanism for the effect of alloying elements …

Activation and suppression of< c+ a> dislocations in a textured Mg–3Al–1Zn alloy

D Zhao, X Ma, S Picak, I Karaman, K Xie - Scripta Materialia, 2020 - Elsevier
In this work, we statistically studied the activation and suppression of< c+ a> dislocations in
a textured Mg–3Al–1Zn alloy after compression. Our results revealed that the activation and …

Interfacial segregation induced by severe plastic deformation in a Mg–Zn–Y alloy

DA Basha, R Sahara, H Somekawa, JM Rosalie… - Scripta Materialia, 2016 - Elsevier
For the first time, we report here segregation of Zn atoms to twin boundaries formed under
9% compression at room temperature (RT) in a Mg-3Zn-0.5 Y (in at%) alloy. The wrought …

[HTML][HTML] The role of Ca, Al and Zn on room temperature ductility and grain boundary cohesion of magnesium

S Nandy, SP Tsai, L Stephenson, D Raabe… - Journal of Magnesium …, 2021 - Elsevier
It is know from literature that small additions (< 1 wt%) of Ca, Al and Zn significantly improve
the intrinsic ductility of Mg. The exact role of each element, both qualitatively and …

Activation of< c> dislocations in Mg with solute Y

A Maldar, L Wang, B Liu, W Liu, Z Jin, B Zhou… - Journal of Magnesium …, 2021 - Elsevier
Mg-Y cast alloy shows excellent ductility (elongation to failure> 15%) compared with pure
Mg and commercial Mg cast alloys. By monitoring the microstructure evolution during an in …