Plastic strain localization in metals: origins and consequences

SD Antolovich, RW Armstrong - Progress in Materials Science, 2014 - Elsevier
This article focuses on the mechanisms and consequences of plastic strain localizations
exhibited in tensile stress–strain behaviors, fracture and fatigue. A broad overview is first …

Hierarchical precipitates, sequential deformation-induced phase transformation, and enhanced back stress strengthening of the micro-alloyed high entropy alloy

G Yang, JK Kim - Acta Materialia, 2022 - Elsevier
We report the annealing time-dependent microstructures and deformation mechanisms of
the novel face-centered cubic Fe 49.5 Mn 30 Co 10 Cr 10 C 0.2 Ti 0.1 V 0.1 Mo 0.1 HEA …

Slip band–grain boundary interactions in commercial-purity titanium

Y Guo, TB Britton, AJ Wilkinson - Acta Materialia, 2014 - Elsevier
The interaction between slip bands and grain boundaries in commercial-purity titanium was
examined using cross-correlation-based electron backscatter diffraction. At a low strain …

A crystal plasticity model that accounts for grain size effects and slip system interactions on the deformation of austenitic stainless steels

D Agius, A Kareer, A Al Mamun, C Truman… - International Journal of …, 2022 - Elsevier
To ensure a more representative simulation of meso‑scale and macro-scale deformation, it
is important the underlying constitutive relations are advanced to more effectively …

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 …

Stress fields and geometrically necessary dislocation density distributions near the head of a blocked slip band

TB Britton, AJ Wilkinson - Acta Materialia, 2012 - Elsevier
We have examined the interaction of a blocked slip band and a grain boundary in deformed
titanium using high-resolution electron backscatter diffraction and atomic force microscopy …

Activating dispersed strain bands in tensioned nanostructure layer for high ductility: the effects of microstructure inhomogeneity

Y Wang, Y Wei, Z Zhao, H Long, Z Lin, F Guo… - International Journal of …, 2022 - Elsevier
How to suppress strain localization in tensioned nanograined layer and make it ductile? This
remains a great challenge. Here we explore the effects of microstructure inhomogeneity on …

Microstructure based fatigue life prediction framework for polycrystalline nickel-base superalloys with emphasis on the role played by twin boundaries in crack …

SR Yeratapally, MG Glavicic, M Hardy, MD Sangid - Acta Materialia, 2016 - Elsevier
Fatigue crack initiation in polycrystalline materials is dependent on the local microstructure
and the deformation mechanism, and can be attributed to various mechanistic and …

Heterostructure induced dispersive shear bands in heterostructured Cu

YF Wang, CX Huang, Q He, FJ Guo… - Heterostructured …, 2021 - taylorfrancis.com
This chapter reports the formation of dispersive shear bands in a hetero-structured Cu
composed of coarse-grained (CG) and ultrafine-grained (UFG) zones. Microscale digital …

Trace B doping Fe50Mn30Co10Cr10 high entropy alloy: Mechanical response and multi-microstructure evolution under TWIP and TRIP effects

Q Li, X Li, C Jin, H Li, K Hua, X Deng… - Materials Science and …, 2023 - Elsevier
Face-centered cubic (FCC) high entropy alloy has attracted extensive attention because of
its excellent mechanical response, while its poor strength limits its application in practical …