Hetero-zone boundary affected region: a primary microstructural factor controlling extra work hardening in heterostructure
Heterostructured metals possess superior mechanical properties exceeding the prediction
by the rule-of-mixtures. However, it remains a challenge to understand the key …
by the rule-of-mixtures. However, it remains a challenge to understand the key …
Extra strengthening in a coarse/ultrafine grained laminate: Role of gradient interfaces
The interfaces introduced in metals by heterostructural design play crucial roles in
mechanical behaviors. Here the effect of gradient interfaces on mechanical behavior was …
mechanical behaviors. Here the effect of gradient interfaces on mechanical behavior was …
Hetero-deformation induced (HDI) hardening does not increase linearly with strain gradient
Hetero-deformation induced (HDI) hardening has been attributed to geometrically necessary
dislocations (GNDs) that are needed to accommodate strain gradient near the interfaces of …
dislocations (GNDs) that are needed to accommodate strain gradient near the interfaces of …
Extraordinary room temperature tensile ductility of laminated Ti/Al composite: Roles of anisotropy and strain rate sensitivity
Abstract Al/Ti/Al laminated metal composites (LMCs), with layer thicknesses≥ 800 μm, were
fabricated via hot rolling bonding and annealing. The fabricated Al/Ti/Al LMCs displayed …
fabricated via hot rolling bonding and annealing. The fabricated Al/Ti/Al LMCs displayed …
Dense dispersed shear bands in gradient-structured Ni
During tensile deformation, nanostructured (NS) metals often fail soon after yielding by
forming a localized shear band. Here we report the observation of high density of shear …
forming a localized shear band. Here we report the observation of high density of shear …
Hetero-deformation induced strengthening and toughening of pure iron with inverse and multi-gradient structures
FJ Guo, YF Wang, MS Wang, Q He, H Ran… - Materials Science and …, 2020 - Elsevier
Here an inverse gradient structure (IGS) is processed by induction heat treatment on
ultrafine-grained substrate, and a multi-gradient structure (MGS) is gained by surface …
ultrafine-grained substrate, and a multi-gradient structure (MGS) is gained by surface …
Theoretical design and distribution control of precipitates and solute elements in Al− Zn− Mg− Cu alloys with heterostructure
L Yuan, M Guo, YAN Yong, W Feng, Z Liu… - … of Nonferrous Metals …, 2021 - Elsevier
In order to simultaneously improve strength and formability, an analytical model for the
concentration distribution of precipitates and solute elements is established and used to …
concentration distribution of precipitates and solute elements is established and used to …
Microstructure and mechanical properties of TA15/TC11 graded structural material by wire arc additive manufacturing process
A graded structural material (GSM) with a material transition from TA15 to TC11 was
fabricated by wire arc additive manufacturing (WAAM) method. The grain morphology …
fabricated by wire arc additive manufacturing (WAAM) method. The grain morphology …
In situ thermomechanical processing to avoid grain boundary precipitation and strength-ductility loss of age hardening alloys
Y Zhao - Transactions of Nonferrous Metals Society of China, 2021 - Elsevier
To avoid grain boundary (GB) precipitation during aging, a new strategy of in situ
thermomechanical processing for age hardening alloys was proposed. Specifically, high …
thermomechanical processing for age hardening alloys was proposed. Specifically, high …
[HTML][HTML] A study of the metallurgical and mechanical properties of friction-stir-processed cu
M Regev, S Spigarelli - Metals, 2021 - mdpi.com
Friction stir processing (FSP), a severe plastic deformation process, was applied on pure Cu
to obtain a stir zone with a very fine grain size. Yet, when FSP is used, the stir zone is as …
to obtain a stir zone with a very fine grain size. Yet, when FSP is used, the stir zone is as …