Seventy years of Hall-Petch, ninety years of superplasticity and a generalized approach to the effect of grain size on flow stress
The grain size, and therefore the grain boundary density, is known to play a major role in the
flow stress of metallic materials. A linear relationship to the inverse of the square root of the …
flow stress of metallic materials. A linear relationship to the inverse of the square root of the …
Magnesium extrusion alloys: a review of developments and prospects
Magnesium (Mg) alloys have received a significant interest in the past 20 years, owing to a
nonlinearly increasing demand for lightweight structural materials. Magnesium extrusions …
nonlinearly increasing demand for lightweight structural materials. Magnesium extrusions …
Grain size effect on tensile properties and slip systems of pure magnesium
Grain refinement can significantly enhance the strength of metallic materials, but usually at
the sacrifice of ductility. Here we report that refinement of magnesium grains can not only …
the sacrifice of ductility. Here we report that refinement of magnesium grains can not only …
Transition of dominant deformation mode in bulk polycrystalline pure Mg by ultra-grain refinement down to sub-micrometer
Magnesium (Mg) and its alloys usually show relatively low strength and poor ductility at
room temperature due to their anisotropic hexagonal close-packed (HCP) crystal structure …
room temperature due to their anisotropic hexagonal close-packed (HCP) crystal structure …
Mechanistic origin and prediction of enhanced ductility in magnesium alloys
Pure magnesium exhibits poor ductility owing to pyramidal〈 c+ a〉 dislocation
transformations to immobile structures, making this lowest-density structural metal unusable …
transformations to immobile structures, making this lowest-density structural metal unusable …
Microstructure, deformation, and property of wrought magnesium alloys
Pure magnesium (Mg) develops a strong basal texture after conventional processing of hot
rolling or extrusion. Consequently, it exhibits anisotropic mechanical properties and is …
rolling or extrusion. Consequently, it exhibits anisotropic mechanical properties and is …
[HTML][HTML] Severe plastic deformation (SPD) of biodegradable magnesium alloys and composites: A review of developments and prospects
The use of magnesium in orthopedic and cardiovascular applications has been widely
attracted by diminishing the risk of abnormal interaction of the implant with the body tissue …
attracted by diminishing the risk of abnormal interaction of the implant with the body tissue …
[HTML][HTML] Deformation mechanisms in ultrafine-grained metals with an emphasis on the Hall–Petch relationship and strain rate sensitivity
RB Figueiredo, TG Langdon - Journal of Materials Research and …, 2021 - Elsevier
Ultrafine-grained materials display almost no strain hardening, an enhanced strain rate
sensitivity and grain boundary offsets during plastic deformation. It is expected that …
sensitivity and grain boundary offsets during plastic deformation. It is expected that …
Diffusional and dislocation accommodation mechanisms in superplastic materials
H Masuda, E Sato - Acta Materialia, 2020 - Elsevier
Significant developments in the microstructural characterization of superplasticity have been
achieved in the 2010s, which can be attributed to advanced electron microscopy and well …
achieved in the 2010s, which can be attributed to advanced electron microscopy and well …
Deformation mechanisms in a novel multiscale hetero-structured Mg alloy with high strength-ductility synergy
Most of the high-strength Mg alloys exhibit poor ductility at room temperature. Architecturing
appropriate heterostructure in metallic materials gives rise to the breakthrough of the …
appropriate heterostructure in metallic materials gives rise to the breakthrough of the …