Enhanced strength in pure Ti via design of alternating coarse-and fine-grain layers

D Li, G Fan, X Huang, DJ Jensen, K Miao, C Xu… - Acta Materialia, 2021 - Elsevier
The yield strength of metals is typically governed by the average grain size through the Hall-
Petch relation, and it usually follows the rule of mixture (ROM) for layered composite …

[HTML][HTML] Evaluation of self-consistent polycrystal plasticity models for magnesium alloy AZ31B sheet

H Wang, B Raeisinia, PD Wu, SR Agnew… - International Journal of …, 2010 - Elsevier
Various self-consistent polycrystal plasticity models for hexagonal close packed (HCP)
polycrystals are evaluated by studying the deformation behavior of magnesium alloy AZ31B …

Strong grain neighbour effects in polycrystals

H Abdolvand, J Wright, AJ Wilkinson - Nature communications, 2018 - nature.com
Anisotropy in single-crystal properties of polycrystals controls both the overall response of
the aggregates and patterning of local stress/strain distributions, the extremes of which …

Evolution of stress in individual grains and twins in a magnesium alloy aggregate

CC Aydıner, JV Bernier, B Clausen, U Lienert… - Physical Review B …, 2009 - APS
This is an in situ measurement of the full stress tensor and its evolution in a growing
deformation twin and, simultaneously, in the grain where the twin forms. The combined …

Incorporation of twinning into a crystal plasticity finite element model: Evolution of lattice strains and texture in Zircaloy-2

H Abdolvand, MR Daymond, C Mareau - International Journal of Plasticity, 2011 - Elsevier
A crystal plasticity finite element code is developed to model lattice strains and texture
evolution of HCP crystals. The code is implemented to model elastic and plastic deformation …

Polycrystalline simulations of in-reactor deformation of recrystallized Zircaloy-4 tubes: Fast Fourier Transform computations and mean-field self-consistent model

F Onimus, L Gelebart, R Brenner - International Journal of Plasticity, 2022 - Elsevier
Fuel cladding and structural components made of zirconium alloys, used in light and heavy
water nuclear reactors, exhibit, during normal operation, significant in-reactor deformation …

Synchrotron diffraction study of dissolution and precipitation kinetics of hydrides in Zircaloy-4

O Zanellato, M Preuss, JY Buffiere, F Ribeiro… - Journal of Nuclear …, 2012 - Elsevier
This paper presents observations of in situ heating and cooling cycles using synchrotron X-
ray diffraction carried out on Zircaloy-4 plates charged to different levels of hydrogen …

The role of crystallographic orientations on heterogeneous deformation in a zirconium alloy: a combined experimental and modeling study

K Thool, A Patra, D Fullwood, KVM Krishna… - International Journal of …, 2020 - Elsevier
This study explores the effect of crystallographic orientations on the development of residual
strains and local misorientations in a polycrystalline Zircaloy-4 during controlled tensile …

Multi-scale modeling and experimental study of twin inception and propagation in hexagonal close-packed materials using a crystal plasticity finite element approach …

H Abdolvand, MR Daymond - Journal of the Mechanics and Physics of …, 2013 - Elsevier
A Crystal Plasticity Finite Element (CPFE) code is used to study the effect of grain boundary
geometry and texture on twin inception and propagation. Three dimensional grains with …

A non-local crystal plasticity constitutive model for hexagonal close-packed polycrystals

O Sedaghat, H Abdolvand - International Journal of Plasticity, 2021 - Elsevier
A strain gradient crystal plasticity finite element model is developed to study the evolution of
internal and localized elastic strains in hexagonal close-packed polycrystals. The results of …