Mechanical properties and deformation mechanisms of gradient nanostructured metals and alloys
Inspired by the gradient structures of biological materials, researchers have explored
compositional and structural gradients for about 40 years as an approach to enhance the …
compositional and structural gradients for about 40 years as an approach to enhance 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 …
Faceted Kurdjumov-Sachs interface-induced slip continuity in the eutectic high-entropy alloy, AlCoCrFeNi2. 1
Recently, the eutectic high-entropy alloy (EHEA), AlCoCrFeNi 2.1, can reach a good
balance of strength and ductility. The dual-phase alloy exhibits a eutectic lamellar …
balance of strength and ductility. The dual-phase alloy exhibits a eutectic lamellar …
Strength and plasticity of nanolaminated materials
The mechanical behavior of nanolaminates is dominated by interfaces that act as sources,
barriers, and preferred sites for storage and dynamic recovery of glide dislocations. In this …
barriers, and preferred sites for storage and dynamic recovery of glide dislocations. In this …
Critical microstructures and defects in heterostructured materials and their effects on mechanical properties
Systematic study was conducted on the microstructures and mechanical properties of nickel
samples with two distinct types of heterostructures. The first is featured with coarse-grained …
samples with two distinct types of heterostructures. The first is featured with coarse-grained …
Effects of three-dimensional Cu/Nb interfaces on strengthening and shear banding in nanoscale metallic multilayers
Abstracts Manipulation of the atomic-scale structure of two-dimensional (2D) interfaces have
been shown to provide nanocomposites with enhanced strength, deformability, and …
been shown to provide nanocomposites with enhanced strength, deformability, and …
Micromechanical behavior of multilayered Ti/Nb composites processed by accumulative roll bonding: an in-situ synchrotron X-ray diffraction investigation
Heterophase interfaces play a crucial role in deformation microstructures and thus govern
mechanical properties of multilayered composites. Here, we fabricated Ti/Nb multilayers by …
mechanical properties of multilayered composites. Here, we fabricated Ti/Nb multilayers by …
Kink mechanism in Cu/Nb nanolaminates explored by in situ pillar compression
Nano metallic laminates (NMLs) exhibit different failure modes depending on the loading
conditions due to their mechanical anisotropies. Kinking is a typical failure mode in many …
conditions due to their mechanical anisotropies. Kinking is a typical failure mode in many …
A study of microstructure-driven strain localizations in two-phase polycrystalline HCP/BCC composites using a multi-scale model
In this work, we present a 3D microstructure-based, full-field crystal plasticity finite element
(CPFE) model using a thermally activated dislocation-density based constitutive description …
(CPFE) model using a thermally activated dislocation-density based constitutive description …
Simultaneous high-strength and deformable nanolaminates with thick biphase interfaces
Two-phase nanolaminates are known for their high strength, yet they suffer from loss of
ductility. Here, we show that broadening heterophase interfaces into “3D interfaces” as thick …
ductility. Here, we show that broadening heterophase interfaces into “3D interfaces” as thick …