High-energy X-ray diffraction microscopy in materials science

JV Bernier, RM Suter, AD Rollett… - Annual Review of …, 2020 - annualreviews.org
High-energy diffraction microscopy (HEDM) is an implementation of three-dimensional X-ray
diffraction microscopy. HEDM yields maps of internal crystal orientation fields, strain states …

Using the Ti–Al System to Understand Plasticity and Its Connection to Fracture and Fatigue in α Ti Alloys

DC Pagan, KM Peterson, PA Shade, AL Pilchak… - … Materials Transactions A, 2023 - Springer
Abstract The Ti–Al system, specifically with Al wt pct ranging from approximately 4 to 14 pct,
has served as a model system for exploring the deformation behavior of the hexagonal close …

[HTML][HTML] Deformation mechanisms in the α phase of the Ti-6Al-2Sn-4Zr-2Mo titanium alloy: In situ experiments and simulations

S Hémery, A Naït-Ali, O Smerdova, C Tromas - International Journal of …, 2024 - Elsevier
Titanium alloys are widely employed in aerospace applications due to an outstanding
combination of properties. The variety of loading conditions and microstructures …

In situ EBSD investigation of deformation processes and strain partitioning in bi-modal Ti-6Al-4V using lattice rotations

S Hémery, P Villechaise - Acta Materialia, 2019 - Elsevier
Identification of operating deformation processes and assessment of the resulting strain
partitioning are critical concerns for mechanical properties prediction and microstructure …

Study of slip activity in a Mg-Y alloy by in situ high energy X-ray diffraction microscopy and elastic viscoplastic self-consistent modeling

L Wang, Z Huang, H Wang, A Maldar, S Yi, JS Park… - Acta Materialia, 2018 - Elsevier
Slip activity from various slip modes largely determines the yield strength and ductility of Mg
alloys. Solid solution elements in Mg can change the slip activity dramatically. In this paper …

Microplasticity at Room Temperature in α/β Titanium Alloys

S Hémery, P Villechaise, D Banerjee - Metallurgical and Materials …, 2020 - Springer
The current understanding of room temperature microplasticity in α/β titanium alloys is
reviewed with a special emphasis on dual-phase engineering alloys. As the interplay …

Effect of layer thickness on the enhanced strength and ductility of laminated Ti/Al composite

W Chen, W He, N Luo, Y Tang, Z Chen… - Materials Science and …, 2022 - Elsevier
The layer thickness has been reported to play a crucial role in laminated metal composites
(LMCs). In this work, Al/Ti/Al LMCs with varying Ti layer thickness but a constant number of …

In-situ investigation of tensile behaviors of Ti–6Al alloy with extra low interstitial

S Huang, Q Zhao, C Lin, C Wu, Y Zhao, W Jia… - Materials Science and …, 2021 - Elsevier
Abstract Tensile behaviors of Ti–6Al with extra low interstitial (ELI) have been systematically
investigated using the in-situ tensile testing monitored by the scanning electron microscopy …

Insights on low cycle fatigue crack formation and propagation mechanism: A microstructurally-sensitive modeling

K Song, K Wang, L Zhang, L Zhao, L Xu, Y Han… - International Journal of …, 2022 - Elsevier
A novel model for revealing low cycle fatigue (LCF) fracture mechanism was established
based on molecular dynamics, extended finite element method, and representative volume …

Dislocation density based crystal plasticity model incorporating the effect of precipitates in IN718 under monotonic and cyclic deformation

S Agaram, AK Kanjarla, B Bhuvaraghan… - International Journal of …, 2021 - Elsevier
A dislocation density based crystal plasticity model is developed to account for the
precipitate induced cyclic softening in IN718. The new model treats the interaction between …