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 …
Structural evolutions of metallic materials processed by severe plastic deformation
Abstract Bulk nanostructured (ns)/ultrafine-grained (UFG) metallic materials possess very
high strength, making them attractive for high strength, lightweight and energy efficient …
high strength, making them attractive for high strength, lightweight and energy efficient …
[HTML][HTML] Dynamic and post-dynamic recrystallization under hot, cold and severe plastic deformation conditions
The evolution of the new microstructures produced by two types of dynamic recrystallization
is reviewed, including those brought about by severe plastic deformation (SPD). The …
is reviewed, including those brought about by severe plastic deformation (SPD). The …
Twenty-five years of ultrafine-grained materials: Achieving exceptional properties through grain refinement
TG Langdon - Acta Materialia, 2013 - Elsevier
Twenty-five years ago, in 1988, there appeared a classic description of the application of
severe plastic deformation (SPD) to bulk solids in order to achieve exceptional grain …
severe plastic deformation (SPD) to bulk solids in order to achieve exceptional grain …
Texture evolution in high-pressure torsion processing
H Azzeddine, D Bradai, T Baudin… - Progress in Materials …, 2022 - Elsevier
Among the severe plastic deformation processing (SPD) of materials, high-pressure torsion
(HPT) is known to induce considerable amounts of plastic strain and crucial grain refinement …
(HPT) is known to induce considerable amounts of plastic strain and crucial grain refinement …
Fundamentals of superior properties in bulk nanoSPD materials
Bulk nanoSPD materials are materials with nanostructural features, such as nanograins,
nanoclusters, or nanotwins, produced by severe plastic deformation (SPD) techniques. Such …
nanoclusters, or nanotwins, produced by severe plastic deformation (SPD) techniques. Such …
A review on grain refinement of aluminum alloys: progresses, challenges and prospects
RG Guan, D Tie - Acta Metallurgica Sinica (English Letters), 2017 - Springer
Aluminum becomes the most popular nonferrous metal and is widely used in many fields
such as packaging, building transportation and electrical materials due to its rich resource …
such as packaging, building transportation and electrical materials due to its rich resource …
Bulk nanostructured materials from severe plastic deformation
RZ Valiev, RK Islamgaliev, IV Alexandrov - Progress in materials science, 2000 - Elsevier
In recent years, bulk nanostructured materials (NSM) processed by methods of severe
plastic deformation (SPD) have attracted the growing interest of specialists in materials …
plastic deformation (SPD) have attracted the growing interest of specialists in materials …
Using high-pressure torsion for metal processing: Fundamentals and applications
AP Zhilyaev, TG Langdon - Progress in Materials science, 2008 - Elsevier
High-pressure torsion (HPT) refers to the processing of metals whereby samples are
subjected to a compressive force and concurrent torsional straining. Although the …
subjected to a compressive force and concurrent torsional straining. Although the …
[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 …