Examination of inverse Hall-Petch relation in nanostructured aluminum alloys by ultra-severe plastic deformation
A Mohammadi, NA Enikeev, MY Murashkin… - Journal of Materials …, 2021 - Elsevier
To have an insight into the occurrence of inverse Hall-Petch relationship in ultrafine-grained
(UFG) aluminum alloys produced by severe plastic deformation (SPD), ultra-SPD (ie …
(UFG) aluminum alloys produced by severe plastic deformation (SPD), ultra-SPD (ie …
[HTML][HTML] Breaks in the Hall–Petch relationship after severe plastic deformation of magnesium, aluminum, copper, and iron
Strengthening by grain refinement via the Hall–Petch mechanism and softening by
nanograin formation via the inverse Hall–Petch mechanism have been the subject of …
nanograin formation via the inverse Hall–Petch mechanism have been the subject of …
Tensile nanomechanics and the Hall-Petch effect in nanocrystalline aluminium
This work carries out comprehensive classical molecular dynamics simulations of uniaxial
tensile deformation for nanocrystalline Al samples with a broad range of different mean grain …
tensile deformation for nanocrystalline Al samples with a broad range of different mean grain …
Structure and mechanical properties of nanostructured Al–Mg alloys processed by severe plastic deformation
Structural features, microhardness, and mechanical properties of three binary Al–Mg alloys
and a commercial AA5182 alloy subjected to high pressure torsion at room temperature …
and a commercial AA5182 alloy subjected to high pressure torsion at room temperature …
On the origin of the extremely high strength of ultrafine-grained Al alloys produced by severe plastic deformation
RZ Valiev, NA Enikeev, MY Murashkin, VU Kazykhanov… - Scripta Materialia, 2010 - Elsevier
Ultrafine-grained Al alloys produced by high-pressure torsion are found to exhibit a very
high strength, considerably exceeding the Hall–Petch predictions for ultrafine grains. This …
high strength, considerably exceeding the Hall–Petch predictions for ultrafine grains. This …
Strengthening mechanisms in nanostructured aluminum
X Huang, N Kamikawa, N Hansen - Materials Science and Engineering: A, 2008 - Elsevier
Structural parameters that characterize deformation produced nanostructures are the
structural morphology, boundary spacing, boundary misorientation and interior dislocation …
structural morphology, boundary spacing, boundary misorientation and interior dislocation …
On the Hall–Petch relationship in a nanostructured Al–Cu alloy
T Shanmugasundaram, M Heilmaier, BS Murty… - Materials Science and …, 2010 - Elsevier
Mechanical properties of bulk nanocrystalline Al–4Cu alloys with grain sizes from 47 to
105nm, synthesized by mechanically alloying followed by vacuum hot pressing at different …
105nm, synthesized by mechanically alloying followed by vacuum hot pressing at different …
High pressure-induced elimination of grain size softening in nanocrystalline metals: grain boundary strengthening overwhelming reduction of intragranular dislocation …
Recent experimental studies indicate that the yield strength of nanocrystalline (NC) metals
under high hydrostatic pressure exhibits monotonous strengthening as the grain size …
under high hydrostatic pressure exhibits monotonous strengthening as the grain size …
Grain refinement in nanostructured Al–Mg alloys subjected to high pressure torsion
Nanostructures of three binary Al–Mg alloys and a commercial AA5182 alloy subjected to
high pressure torsion at room temperature were comparatively investigated using …
high pressure torsion at room temperature were comparatively investigated using …
What is behind the inverse Hall–Petch effect in nanocrystalline materials?
CE Carlton, PJ Ferreira - Acta Materialia, 2007 - Elsevier
An inverse Hall–Petch effect has been observed for nanocrystalline materials by a large
number of researchers. This effect implies that nanocrystalline materials get softer as grain …
number of researchers. This effect implies that nanocrystalline materials get softer as grain …