Grain-subdivision-dominated microstructure evolution in shear bands at high rates

X Ma, D Zhao, S Yadav, D Sagapuram… - Materials Research …, 2020 - Taylor & Francis
Shear banding is an important deformation and failure mechanism in metallic systems,
especially at high-rate straining. Dynamic recrystallization was often reported to account for …

Shear banding in commercial pure titanium deformed by dynamic compression

JL Sun, PW Trimby, FK Yan, XZ Liao, NR Tao, JT Wang - Acta materialia, 2014 - Elsevier
A cylindrical hexagonal-close-packed Ti sample was pre-deformed by dynamic compression
to produce coarse-grained and ultrafine-grained structures in different parts of the sample …

Microstructural characteristics of adiabatic shear localization in a metastable beta titanium alloy deformed at high strain rate and elevated temperatures

H Zhan, W Zeng, G Wang, D Kent, M Dargusch - Materials Characterization, 2015 - Elsevier
The microstructural evolution and grain refinement within adiabatic shear bands in the
Ti6554 alloy deformed at high strain rates and elevated temperatures have been …

Hardening in relation with microstructure evolution of high purity α-titanium deformed under monotonic and cyclic simple shear loadings at room temperature

S Bouvier, N Benmhenni, W Tirry, F Gregory… - Materials Science and …, 2012 - Elsevier
The aim of this paper is to gain understanding of the quasi-static, large strain deformation
behavior at room-temperature of high-purity α-Ti with an initial split-basal texture. Simple …

Microstructural effects on adiabatic shear band formation

S Osovski, D Rittel, P Landau, A Venkert - Scripta Materialia, 2012 - Elsevier
Dynamic recrystallization (DRX), driven by the dynamic stored energy of cold work,
promotes shear localization. However, the influence of twinning remains to be investigated …

Investigation of the shear response and geometrically necessary dislocation densities in shear localization in high-purity titanium

C Zhu, V Livescu, T Harrington, O Dippo… - International Journal of …, 2017 - Elsevier
The influence of microstructural anisotropy on shear response of high-purity titanium was
studied using the compact forced-simple-shear specimen (CFSS) loaded under quasi-static …

Dynamic recrystallization in adiabatic shear banding: Effective-temperature model and comparison to experiments in ultrafine-grained titanium

CKC Lieou, CA Bronkhorst - International Journal of Plasticity, 2018 - Elsevier
Dynamic recrystallization (DRX) is often observed in conjunction with adiabatic shear
banding (ASB) in polycrystalline materials. The recrystallized nanograins in the shear band …

Deformation texture transition in brass: critical role of micro-scale shear bands

E El-Danaf, SR Kalidindi, RD Doherty, C Necker - Acta Materialia, 2000 - Elsevier
The transition in deformation textures between low stacking fault energy fcc metals (eg brass
textures) and the medium to high stacking fault energy fcc metals (eg copper textures) is …

Incipient dynamic recrystallization and adiabatic shear bands in Ti–7Al studied via in situ X-ray diffraction

DJ Magagnosc, JT Lloyd, CS Meredith… - International Journal of …, 2021 - Elsevier
The interconnected phenomena of dynamic recrystallization (DRX) and adiabatic shear
bands (ASBs) are critical features of dynamic deformation and fracture in metals. Despite …

[HTML][HTML] Enhancement of orientation gradients during simple shear deformation by application of simple compression

M Jahedi, M Ardeljan, IJ Beyerlein… - Journal of Applied …, 2015 - pubs.aip.org
We use a multi-scale, polycrystal plasticity micromechanics model to study the development
of orientation gradients within crystals deforming by slip. At the largest scale, the model is a …