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 …
A review on high-pressure torsion (HPT) from 1935 to 1988
High-pressure torsion (HPT) method currently receives much attention as a severe plastic
deformation (SPD) technique mainly because of the reports of Prof. Ruslan Z. Valiev and his …
deformation (SPD) technique mainly because of the reports of Prof. Ruslan Z. Valiev and his …
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 …
[HTML][HTML] Deformation mechanisms in ultrafine-grained metals with an emphasis on the Hall–Petch relationship and strain rate sensitivity
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 …
Effect of grain size on strength and strain rate sensitivity in metals
The effect of the grain size on the mechanical properties of metallic materials has been a
topic of significant interest for researchers and industry. For many decades, a relationship …
topic of significant interest for researchers and industry. For many decades, a relationship …
[HTML][HTML] Advances in ultrafine-grained materials
This review addresses new developments in the processing and properties of ultrafine-
grained (UFG) materials. These materials are produced through the application of severe …
grained (UFG) materials. These materials are produced through the application of severe …
Different models of hardness evolution in ultrafine-grained materials processed by high-pressure torsion
M Kawasaki - Journal of Materials Science, 2014 - Springer
High-pressure torsion (HPT) is an attractive processing method in severe plastic deformation
techniques involving the application of high compressive pressure with concurrent torsional …
techniques involving the application of high compressive pressure with concurrent torsional …
Ultrafine grains and the Hall–Petch relationship in an Al–Mg–Si alloy processed by high-pressure torsion
Experiments were conducted to evaluate the evolution of hardness and microstructure in a
commercial Al–0.6% Mg–0.4% Si alloy during processing by high-pressure torsion (HPT) …
commercial Al–0.6% Mg–0.4% Si alloy during processing by high-pressure torsion (HPT) …
An investigation of hardness homogeneity throughout disks processed by high-pressure torsion
Experiments were conducted on high-purity aluminum to determine the degree of hardness
homogeneity attained during processing by high-pressure torsion (HPT). The HPT …
homogeneity attained during processing by high-pressure torsion (HPT). The HPT …