Towards the work hardening and strain delocalization achieved via in-situ intragranular reinforcement in Al-CuO composite

X Rong, D Zhao, X Chen, X Zhang, D Wan, C Shi, C He… - Acta Materialia, 2023 - Elsevier
Dense intragranular distribution of nanoscale reinforcements is highly desirable since it is
effective in reconciling the strength-ductility trade-off in Al matrix composites (AMCs). Herein …

A critical review of von mises criterion for compatible deformation of polycrystalline materials

Y Huang, J Jiang - Crystals, 2023 - mdpi.com
A von Mises criterion for compatible deformation states that five independent slip systems
must operate for polycrystals to deform uniformly and without failure at the grain boundaries …

Investigations of dislocation-type evolution and strain hardening during mechanical twinning in Fe-22Mn-0.6 C twinning-induced plasticity steel

H Zhi, C Zhang, S Antonov, H Yu, T Guo, Y Su - Acta Materialia, 2020 - Elsevier
In this study, for the first time, the evolution of geometrically necessary dislocation (GND) and
statistically stored dislocation (SSD) densities, as well as their roles in strain hardening …

Crystal plasticity quantification of anisotropic tensile and fatigue properties in laser powder bed fused Inconel 718 superalloy

M Toursangsaraki, D Du, H Wang, A Dong - Additive Manufacturing, 2024 - Elsevier
The high thermal gradients during the laser powder bed fusion (LPBF) process induce an
inhomogeneous microstructure with anisotropic mechanical properties. This study …

Influence of out-of-plane stretch forming induced different strain paths on micro-texture evolution, slip system activity and Taylor factor distribution in Al–Li alloy

R Rakshit, A Sarkar, SK Panda, S Mandal - Materials Science and …, 2022 - Elsevier
A detailed investigation on the microstructure and micro-texture evolution in Al–Li alloy has
been carried out following deformation at various strain paths. The stretch forming tests have …

[HTML][HTML] Restraining geometrically-necessary dislocations to the active slip systems in a crystal plasticity-based finite element framework

E Demir, A Martinez-Pechero, C Hardie… - International Journal of …, 2024 - Elsevier
Strain gradients have been cast in the form of geometrically-necessary dislocations (GND) to
relate the length-scale dependence of strength and to determine potential sites for failure …

[HTML][HTML] Consistent determination of geometrically necessary dislocation density from simulations and experiments

S Das, F Hofmann, E Tarleton - International Journal of Plasticity, 2018 - Elsevier
The use of Nye's dislocation tensor for calculating the density of geometrically necessary
dislocations (GND) is widely adopted in the study of plastically deformed materials. The …

An analysis of macro-and micro-scale residual stresses of Type I, II and III using FIB-DIC micro-ring-core milling and crystal plasticity FE modelling

E Salvati, AM Korsunsky - International Journal of Plasticity, 2017 - Elsevier
Mechanical failure frequently initiates at the grain level, at which intra-granular stresses are
of paramount importance. Under cyclic loading conditions regions within grains that …

[HTML][HTML] Quantification of grain boundary effects on the geometrically necessary dislocation density evolution and strain hardening of polycrystalline Mg4Al using in …

E Song, MT Andani, A Misra - Journal of Magnesium and Alloys, 2024 - Elsevier
In situ tensile testing in a scanning electron microscope (SEM) in conjunction with high-
resolution electron backscatter diffraction (HR-EBSD) under load was used to characterize …

[HTML][HTML] On cold dwell facet fatigue in titanium alloy aero-engine components

MA Cuddihy, A Stapleton, S Williams… - International Journal of …, 2017 - Elsevier
This paper investigates the mechanisms of facet nucleation through combining aero-engine
manufacturer disc component test data with microstructure-sensitive crystal plasticity finite …