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 …
Severe plastic deformation: Nanostructured materials, metal-based and polymer-based nanocomposites: A review
M Fattahi, CY Hsu, AO Ali, ZH Mahmoud, NP Dang… - Heliyon, 2023 - cell.com
Significant deformation of the metal structure can be achieved without breaking or cracking
the metal. There are several methods for deformation of metal plastics. The most important of …
the metal. There are several methods for deformation of metal plastics. The most important of …
[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 …
Saturation of fragmentation during severe plastic deformation
In this review, we focus on the saturation microstructure that evolves during severe plastic
deformation (SPD). These nanocrystalline or ultrafine-grained microstructures consist …
deformation (SPD). These nanocrystalline or ultrafine-grained microstructures consist …
[HTML][HTML] The fabrication of graphene-reinforced Al-based nanocomposites using high-pressure torsion
Metal matrix nanocomposites were fabricated by high-pressure torsion (HPT) using 5%
graphene nanoplates as a reinforcement contained within an Al matrix. Powders were mixed …
graphene nanoplates as a reinforcement contained within an Al matrix. Powders were mixed …
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 …
Generation of metallic nanocomposites by severe plastic deformation
A Bachmaier, R Pippan* - International materials reviews, 2013 - Taylor & Francis
In this article, the potential to fabricate composites with ultrafine grained structures, as well
as composites with a nanostructure, by different severe plastic deformation methods, is …
as composites with a nanostructure, by different severe plastic deformation methods, is …
Fracture behaviour of tungsten–vanadium and tungsten–tantalum alloys and composites
The influence of both microstructure and chemical composition on the fracture behaviour of
tungsten–tantalum, tungsten–vanadium composites and alloys of varying chemical …
tungsten–tantalum, tungsten–vanadium composites and alloys of varying chemical …
[HTML][HTML] Deformation and failure behavior of nanocrystalline WCu
The technical potential of WCu alloys is limited by the modest fracture characteristics of the
material system in its coarse-grained condition. To provide a nanocrystalline microstructure …
material system in its coarse-grained condition. To provide a nanocrystalline microstructure …
Wear resistance and tribological features of pure aluminum and Al–Al2O3 composites consolidated by high-pressure torsion
Ultrafine-grained pure Al and Al-based composites with 10 and 20 vol% of Al 2 O 3 were
produced by cold consolidation of powders using high-pressure torsion (HPT). Ball-on-disc …
produced by cold consolidation of powders using high-pressure torsion (HPT). Ball-on-disc …