Evaluation of magnesium die-casting alloys for elevated temperature applications: microstructure, tensile properties, and creep resistance

S Zhu, MA Easton, TB Abbott, JF Nie… - … Materials Transactions A, 2015 - Springer
Several families of magnesium die-casting alloys have been developed to operate at the
elevated temperatures experienced in automotive powertrain applications. Most alloys are …

Thermodynamics-based selection and design of creep-resistant cast Mg alloys

S Abaspour, CH Cáceres - Metallurgical and Materials Transactions A, 2015 - Springer
Atomic level thermodynamics arguments that account for the generally weak age hardening
response while suggesting that extending the athermal regime through short-range order …

Strain-rate sensitivity of die-cast magnesium-aluminium based alloys

HQ Ang, S Zhu, TB Abbott, D Qiu, MA Easton - Materials Science and …, 2017 - Elsevier
The strain-rate effect in die-cast magnesium-aluminium based alloys under quasi-static
strain rates ranging from 10− 6 to 10− 1 s− 1 was investigated. The strain-rate sensitivity was …

Achieving exceptional creep resistance in rare-earth-free Mg-base alloys by engineering the shape, size and fraction of eutectic, particles and precipitates

N Koundinya, RS Kottada - Scripta Materialia, 2019 - Elsevier
Creep characterization of five rare-earth-free Mg-base alloys having distinct variations in
microstructural features is investigated. Mg-base alloys exhibiting double minimum creep is …

An analysis of the tensile deformation behavior of commercial die-cast magnesium-aluminum-based alloys

HQ Ang, TB Abbott, S Zhu, MA Easton - Metallurgical and Materials …, 2019 - Springer
Magnesium and its alloys have a complex progression of deformation mechanisms due to
the hexagonal closed-packed crystal structure. Magnesium undergoes a series of different …

Strengthening by the percolating intergranular eutectic in an hpdc Mg–Ce alloy

B Zhang, AV Nagasekhar, X Tao, Y Ouyang… - Materials Science and …, 2014 - Elsevier
Dual beam FIB tomography was used to create a 3D model of the percolating intergranular
(α-Mg)–Mg 12 Ce eutectic in a Mg–0.51 at% Ce alloy and its tensile deformation behaviour …

Anelasticity of die-cast magnesium-aluminium based alloys under different strain rates

HQ Ang, TB Abbott, S Zhu, MA Easton - Materials Science and Engineering …, 2017 - Elsevier
Cyclic tension loading-unloading tests were conducted over a wide quasi-static strain rate
range 10− 6− 10− 1 s− 1 on a variety of die-cast Mg-Al based alloys, from which the …

The strength of the spatially interconnected eutectic network in HPDC Mg-La, Mg-Nd, and Mg-La-Nd alloys

B Zhang, S Gavras, AV Nagasekhar… - … Materials Transactions A, 2014 - Springer
Abstract 3D numerical images of the intergranular percolating eutectic of two binary alloys,
Mg-0.62 at. pctLa and Mg-0.60 at. pctNd, created using dual beam FIB tomography, were …

Strengthening micromechanisms in cold-chamber high-pressure die-cast Mg-Al alloys

KV Yang, CH Cáceres, MA Easton - Metallurgical and Materials …, 2014 - Springer
The contributions from grain boundary, solid solution, and dispersion strengthening to the
yield strength of cast-to-shape specimens were calculated for seven binary alloys with …

Al8Mn5 in High-Pressure Die Cast AZ91: Twinning, Morphology and Size Distributions

G Zeng, SS Shuai, XZ Zhu, SX Ji, JW Xian… - … Materials Transactions A, 2020 - Springer
Manganese-bearing intermetallic compounds (IMCs) are important for limiting micro-
galvanic corrosion of magnesium-aluminum alloys and can initiate cracks under tensile …