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 …

The interface effect on crack nucleation under dwell fatigue loading in dual-phase Ti alloy

L Zhang, B Jiang, J Qiu, X Cao, J Lei, R Yang… - International Journal of …, 2023 - Elsevier
The microstructure of dual-phase Ti alloys crucially influences the nucleation of dwell fatigue
cracks, which is of significance in determining the dwell fatigue life of Ti alloys. However, the …

[HTML][HTML] Slip intermittency and dwell fatigue in titanium alloys: a discrete dislocation plasticity analysis

Y Xu, FF Worsnop, D Dye, FPE Dunne - … of the Mechanics and Physics of …, 2023 - Elsevier
Slip intermittency and stress oscillations in titanium alloy Ti–7Al–O that were observed using
in-situ far-field high energy X-ray diffraction microscopy (ff-HEDM) are investigated using a …

Microstructure evolution of interface and matrix during the preparation of SiCf/Ti60 composites

Z Gan, Y Wang, X Zhang, L Yang, Q Jia, X Kong… - Materials …, 2024 - Elsevier
In this paper, continuous SiC fiber-reinforced Ti60 (SiC f/Ti60) composites were fabricated
by preparing SiC f/Ti60 precursor wires from matrix-coated fibers and hot isostatic pressing …

Planar slip triggered by successive dislocation-precipitate interaction in titanium alloys

H Guo, MM Zhang, DS Xu, JH Zhang, JK Qiu… - Materials Science and …, 2023 - Elsevier
The planar slip associated with the interaction between dislocations and α 2 precipitates in
titanium alloys was investigated using atomistic simulation and transmission electron …

Investigation on the dwell fatigue behavior of Ti-6.5 Al-3.5 Mo-1.5 Zr-0.3 Si alloy

C Fang, J Qiu, M Zhang, M Zhang, Y Ma, J Lei… - Materials Science and …, 2024 - Elsevier
In this work, the dwell sensitivity of the TC11 alloy was evaluated as a function of α p
contents obtained by two different heat treatment routes and peak applied stresses. The …

3D in situ observations of stress redistribution in Ti-6Al-4V within rogue grain neighborhoods during monotonic and cyclic loading

KM Peterson, M Harr, A Pilchak, SL Semiatin… - International Journal of …, 2025 - Elsevier
Grain-scale stress redistribution events are characterized within the Ti-6Al-4V (Ti64)
hexagonal close-packed α phase using far-field high-energy X-ray diffraction microscopy …

< 112 [combining macron] 0>-orientation-dependent crack initiation in a titanium alloy under dwell fatigue

Z Zhou, C Fang, B Jiang, J Qiu, L Zhang, J Lei… - Materials …, 2024 - pubs.rsc.org
The crystal orientation of titanium alloys significantly influences the nucleation of dwell
fatigue cracks, which deteriorate the service life of aero-engine components. Although …

[HTML][HTML] The effect of heat treatment temperature on the mechanical properties of TIMETAL® 575

NL Church, IC James, N Martin, NG Jones - Materials Science and …, 2024 - Elsevier
TIMETAL® 575 is an α+ β alloy reported to possess superior dwell fatigue capabilities over
the conventionally used Ti–6Al–4V. The increased performance of this alloy has in part been …

Effect of peak stress and dwell time on the fatigue damage behavior of Ti-22Al-23Nb-2 (Mo, Zr) alloy with lamellar microstructure

X Li, S Liu, Y Zhou, X Huang - Journal of Alloys and Compounds, 2024 - Elsevier
Ti 2 AlNb alloy is one of the candidate high strength titanium alloy materials under
consideration for compressor disc, which will endure dwell loading at high peak stress level …