Microstructure control and strengthening mechanism of fine-grained cast Mg alloys based on grain boundary segregation of Al solute

X Lin, Y Dang, P Dai, D Fang, C Xu, B Wen - Materials Science and …, 2022 - Elsevier
Abstract Mg-xAl alloys (x= 3–12 wt%) were prepared by high pressure solidification. The
microstructure of the alloys was studied using Scanning Electron Microscope (SEM) and …

Spheroidizing behavior and spheroidizing kinetics of W-phase during solid-solution treatment in Mg–Zn–Y–Mn–(B) alloys

K Yang, JS Zhang, XM Zong, W Liu, CX Xu - Acta Metallurgica Sinica …, 2017 - Springer
The spheroidizing mechanism of W-phase in the Mg–Zn–Y–Mn–(B) alloys during solid-
solution treatment was investigated by using kinetic methodologies. The microstructure and …

Microstructure evolution of Mg–9Gd–2Er–0.4 Zr alloy during solid solution treatment

Z Wang, W Du, X Wang, LIU Ke, S Li - Transactions of Nonferrous Metals …, 2013 - Elsevier
Microstructure evolution of the cast Mg-9Gd-2Er-0.4 Zr alloy during solid solution treatment
at temperature of 460–520° C for 3–12 h was investigated by using optical microscope (OM) …

An analytical approach to elucidate the mechanism of grain refinement in calcium added Mg–Al alloys

B Nagasivamuni, KR Ravi - Journal of Alloys and Compounds, 2015 - Elsevier
The present study investigates the grain refinement of Mg–3Al, Mg–6Al and Mg–9Al alloys
by calcium addition. The maximum reduction in grain size has been observed at 0.2% Ca …

[HTML][HTML] Hot deformation behavior and dynamic precipitation characteristics of Mg-Gd-Nd (-Sm)-Zr alloys

Z Chen, Q Zhang, Q Li, H Zhu, X Chen, X Li… - Journal of Materials …, 2021 - Elsevier
We deeply analyze the deformation behavior of Mg-Gd-Nd (-Sm)-Zr alloys under high
temperature uniaxial compression, and explore the influence mechanism of Sm on the …

Grain refinement mechanism of the As-cast and As-extruded Mg–14Li alloys with Al or Sn addition

Y Zeng, B Jiang, R Li, H Yin, S Al-Ezzi - Metals, 2017 - mdpi.com
The microstructures of the as-cast and as-extruded Mg–14 wt.% Li–1 wt.% Al (LA141) and
Mg–14 wt.% Li–2 wt.% Sn (LT142) were observed by optical and scanning electron …

[HTML][HTML] Bimodal grain structure formation and strengthening mechanisms in Mg-Mn-Al-Ca extrusion alloys

J Zhang, P Peng, Q Yang, AA Luo - Journal of Magnesium and Alloys, 2023 - Elsevier
The effects of small additions of calcium (0.1% and 0.5% 1) on the dynamic recrystallization
behavior and mechanical properties of as-extruded Mg-1Mn-0.5 Al alloys were investigated …

Solidification of Mg–Zn–Zr alloys: Grain growth restriction, dendrite coherency and grain size

P Li, D Hou, EH Han, R Chen, Z Shan - Acta Metallurgica Sinica (English …, 2020 - Springer
The solidification characterization of Mg–x Zn–0.5 Zr (x= 0, 1, 3, 4, 5 wt%) alloys has been
extensively investigated through thermal analysis, microstructure characterization and …

Microstructure evolution of the Mg-5.8 Zn-0.5 Zr-1.0 Yb alloy during homogenization

L Li, W Jiang, P Guo, W Yu, F Wang, Z Pan - Materials Research, 2017 - SciELO Brasil
The influence of homogenization treatment on microstructure evolution of Mg-5.8 Zn-0.5 Zr-
1.0 Yb (mass fraction,%) alloy was investigated under different annealing temperatures and …

Precipitate evolution in Mg-6 wt% Zn-1 wt% Mn alloy

S Guoliang, Z Dingfei, Z Xiabing, Z Kui… - Rare Metal Materials …, 2013 - Elsevier
The evolution rules of transitional phases β 1′ and β 2′ during single and double aging
and the heterogeneous nucleation of β 1′ rods on α-Mn particles in a Mg-6 wt% Zn-1wt …