Structural evolutions of metallic materials processed by severe plastic deformation

Y Cao, S Ni, X Liao, M Song, Y Zhu - Materials Science and Engineering: R …, 2018 - Elsevier
Abstract Bulk nanostructured (ns)/ultrafine-grained (UFG) metallic materials possess very
high strength, making them attractive for high strength, lightweight and energy efficient …

Investigation of early stage deformation mechanisms in a metastable β titanium alloy showing combined twinning-induced plasticity and transformation-induced …

F Sun, JY Zhang, M Marteleur, T Gloriant, P Vermaut… - Acta Materialia, 2013 - Elsevier
As expected from the alloy design procedure, combined twinning-induced plasticity and
transformation-induced plasticity effects are activated in a metastable β Ti–12 wt.% Mo alloy …

The influence of β phase stability on deformation mode and compressive mechanical properties of Ti–10V–3Fe–3Al alloy

M Ahmed, D Wexler, G Casillas, OM Ivasishin… - Acta Materialia, 2015 - Elsevier
A metastable β-Ti alloy, Ti–10V–3Fe–3Al (wt.%), was subjected to thermomechanical
processing (TMP), where the temperature of isothermal holding in the α+ β phase field was …

Strain rate dependence of deformation-induced transformation and twinning in a metastable titanium alloy

M Ahmed, D Wexler, G Casillas, DG Savvakin… - Acta Materialia, 2016 - Elsevier
A metastable β Ti–10V–3Fe–3Al–0.27 O (wt.%) alloy was subjected to thermo-mechanical
processing to induce α and ω phase formation, so that the alloy can exhibit the features …

Microstructure evolution and superelastic behavior in Ti-35Nb-2Ta-3Zr alloy processed by friction stir processing

L Wang, L Xie, Y Lv, LC Zhang, L Chen, Q Meng, J Qu… - Acta Materialia, 2017 - Elsevier
This work investigates systematically the phase transformation and superelasticity in
TiNbTaZr alloy prepared by friction stir processing (FSP). Multiple-pass FSP with a 100 …

Microstructure evolution and deformation mechanism of α+ β dual-phase Ti-xNb-yTa-2Zr alloys with high performance

T Zhang, D Wei, E Lu, W Wang, K Wang, X Li… - Journal of Materials …, 2022 - Elsevier
Abstract Biomedical β-phase Ti-Nb-Ta-Zr alloys usually exhibit low elastic modulus with
inadequate strength. In the present work, a series of newly developed dual-phase Ti-xNb …

Phase transformation induced transitional twin boundary in body-centered cubic metals

X Li, Q Zhao, Y Tian, Q Wang, J Fan, K Song, H Zhou… - Acta Materialia, 2023 - Elsevier
Body-centred cubic (BCC) metals possess unstable intrinsic stacking fault and high
resistance for deformation twinning, which often induce complex twinning dynamics that …

Fabrication and characterization of a novel β metastable Ti-Mo-Zr alloy with large ductility and improved yield strength

JY Zhang, JS Li, GF Chen, L Liu, Z Chen… - Materials …, 2018 - Elsevier
In this paper, a novel ternary β-metastable titanium alloy, Ti-12Mo-5Zr (wt%), was designed
based on the “d-electron” alloy design theory. The Ti-12Mo-5Zr alloy displays excellent …

Grain size effect on radiation tolerance of nanocrystalline Mo

GM Cheng, WZ Xu, YQ Wang, A Misra, YT Zhu - Scripta Materialia, 2016 - Elsevier
We report a significant grain size effect on radiation tolerance of nanocrystalline Mo under
He ion irradiation. Irradiation-induced dislocation loops mainly contribute to the irradiation …

Ordered α2 to ωo phase transformations in high Nb-containing TiAl alloys

L Song, X Xu, L You, Y Liang, Y Wang, J Lin - Acta Materialia, 2015 - Elsevier
The transformation of the D0 19-α 2 phase to the B8 2-ω o phase is a new type of phase
transformation in high Nb-containing TiAl alloys; experimental results concerning this phase …