[HTML][HTML] Nanostructural metallic materials: Structures and mechanical properties

LG Sun, G Wu, Q Wang, J Lu - Materials Today, 2020 - Elsevier
The trade-off of strength and ductility of metals has long plagued materials scientists. To
resolve this issue, great efforts have been devoted over the past decades to developing a …

Carbide-facilitated nanocrystallization of martensitic laths and carbide deformation in AISI 420 stainless steel during laser shock peening

C Wang, K Luo, J Wang, J Lu - International Journal of Plasticity, 2022 - Elsevier
Severe plastic deformation (SPD) techniques such as laser shock peening (LSP) have been
widely adopted to modify microstructure of materials. Understanding the plastic deformation …

Geometrically necessary dislocations and related kinematic hardening in gradient grained materials: A nonlocal crystal plasticity study

X Zhang, J Zhao, G Kang, M Zaiser - International Journal of Plasticity, 2023 - Elsevier
Gradient grained metals whose microstructure is characterized by a spatially graded grain
size distribution show a better strength-ductility combination than their homogeneous …

Simultaneously enhancing strength and ductility of a high-entropy alloy via gradient hierarchical microstructures

MN Hasan, YF Liu, XH An, J Gu, M Song, Y Cao… - International Journal of …, 2019 - Elsevier
Although many high-entropy alloys (HEAs) possess excellent mechanical properties, they
are not exempt from the common dilemma of strength–ductility trade-off in most cases, which …

A review on heterogeneous nanostructures: a strategy for superior mechanical properties in metals

Y Ma, M Yang, F Yuan, X Wu - Metals, 2019 - mdpi.com
Generally, strength and ductility are mutually exclusive in homogeneous metals.
Nanostructured metals can have much higher strength when compared to their coarse …

Extra strengthening in a coarse/ultrafine grained laminate: Role of gradient interfaces

YF Wang, MS Wang, XT Fang, FJ Guo, HQ Liu… - International Journal of …, 2019 - Elsevier
The interfaces introduced in metals by heterostructural design play crucial roles in
mechanical behaviors. Here the effect of gradient interfaces on mechanical behavior was …

Creep-fatigue damage mechanisms and life prediction based on crystal plasticity combined with grain boundary cavity model in a nickel-based superalloy at 650° C

KS Li, RZ Wang, XC Zhang, ST Tu - International Journal of Plasticity, 2023 - Elsevier
In this study, a dual-scale numerical procedure is developed to reveal the creep-fatigue
damage mechanisms and estimate the crack initiation life for notched structures made of …

[HTML][HTML] A multi-scale approach to microstructure-sensitive thermal fatigue in solder joints

Y Xu, J Xian, S Stoyanov, C Bailey, RJ Coyle… - International Journal of …, 2022 - Elsevier
This paper presents a multi-scale modelling approach to investigate the underpinning
mechanisms of microstructure-sensitive damage of single crystal Sn-3Ag-0.5 Cu (wt …

Shear localization in polycrystalline metal at high-strain rates with dynamic recrystallization: crystal plasticity modeling and texture effect

W An, C Liu, Q Xiong, Z Li, X Huang, T Suo - International Journal of …, 2023 - Elsevier
Shear localization is an important failure mode, or even the dominant mode in metals at high-
strain rates. However, it is a great challenge to accurately predict the occurrence and …

Dislocation–grain boundary interaction-based discrete dislocation dynamics modeling and its application to bicrystals with different misorientations

X Zhang, S Lu, B Zhang, X Tian, Q Kan, G Kang - Acta Materialia, 2021 - Elsevier
Grain boundaries (GBs) have a significant influence on the mechanical properties of metallic
materials. It has been a great challenge to describe dislocation interactions with various …