Interactions between basal dislocations and β1′ precipitates in Mg–4Zn alloy: mechanisms and strengthening

R Alizadeh, J LLorca - Acta Materialia, 2020 - Elsevier
The mechanisms of dislocation/precipitate interaction as well as the critical resolved shear
stress were determined as a function of temperature in an Mg–4 wt% Zn alloy by means of …

Precipitate strengthening of pyramidal slip in Mg–Zn alloys

R Alizadeh, J Wang, J LLorca - Materials Science and Engineering: A, 2021 - Elsevier
The mechanical properties of Mg-4wt.% Zn alloy single crystals along the [0001] orientation
were measured through micropillar compression at 23° C and 100° C. Basal slip was …

Origin of the low precipitation hardening in magnesium alloys

CM Cepeda-Jiménez, M Castillo-Rodríguez… - Acta Materialia, 2019 - Elsevier
In this work electron backscattered diffraction (EBSD)-assisted slip trace analysis and
transmission electron microscopy have been utilized to investigate the interaction of basal …

The effect of size and distribution of rod-shaped β1′ precipitates on the strength and ductility of a Mg–Zn alloy

JM Rosalie, H Somekawa, A Singh, T Mukai - Materials Science and …, 2012 - Elsevier
We report on a quantitative investigation into the effect of size and distribution of rod-shaped
β1′ precipitates on strength and ductility of a Mg–Zn alloy. Despite precipitation …

Slip mode dependency of dislocation shearing and looping of precipitates in Mg alloy WE43

JJ Bhattacharyya, F Wang, N Stanford, SR Agnew - Acta Materialia, 2018 - Elsevier
The effect of precipitates on the strength of Mg alloy, WE43, has been investigated.
Transmission electron microscopy (TEM) provides unequivocal evidence that the ordered …

[HTML][HTML] Atomic scale interactions of basal dislocations and twin boundaries with ultrathin precipitates in magnesium alloys

DF Shi, CY Wang, CM Cepeda-Jiménez… - Acta Materialia, 2021 - Elsevier
The aim of this work is to investigate the interaction of basal dislocations and twin
boundaries with ultrafine basal disk-shaped precipitates at the atomic scale in the the peak …

Precipitate characteristics and their effect on the prismatic-slip-dominated deformation behaviour of an Mg–6 Zn alloy

J Jain, P Cizek, WJ Poole, MR Barnett - Acta materialia, 2013 - Elsevier
This study provides a detailed quantitative characterization of precipitation in an Mg–6 Zn
alloy. Transmission electron microscopy (TEM) was used to characterize the average size …

Dislocation-particle interactions in magnesium alloys

CY Wang, CM Cepeda-Jimenez, MT Pérez-Prado - Acta Materialia, 2020 - Elsevier
The aim of this work is to investigate the fundamentals of dislocation-particle interactions in a
Mg-1% Mn-1% Nd (wt.%)(MN11) alloy in order to better understand the limited precipitation …

Effect of precipitation on strength and ductility in a Mg–Zn–Y alloy

JM Rosalie, H Somekawa, A Singh, T Mukai - Journal of Alloys and …, 2013 - Elsevier
The effect of pre-ageing deformation on the size and distribution of β1′ precipitates and
subsequently on the resulting strength and ductility have been measured in a Mg-3.0 at …

[HTML][HTML] Dislocations-induced precipitates and their effect on mechanical properties of Mg-Gd-Y-Zr alloy

C You, C Liu, Y Wan, B Tang, B Wang, Y Gao… - Journal of Magnesium …, 2019 - Elsevier
Optical microscope (OM), scanning electron microscope (SEM), transmission electron
microscope (TEM) and tensile machine were used to characterize the microstructures and …