Twinning-induced plasticity (TWIP) effect in multi-phase metastable beta Zr-Nb alloys

J Tang, A Zorgati, JB Gaillard, P Vermaut… - Journal of Materials …, 2023 - Elsevier
The deformation mechanisms were studied in metastable Zr-13.8 Nb-0.7 Hf and Zr-15.5 Nb-
0.7 Hf (wt.%) alloys exhibiting complex microstructures due to quenched-in precipitates …

[HTML][HTML] Transformation-and twinning-induced plasticity in phase-separated bcc Nb-Zr alloys: an atomistic study

MM Hasan, SG Srinivasan, D Choudhuri - Journal of Materials Science, 2024 - Springer
Several high-temperature body-centered cubic (bcc) structural materials such as Nb-, Zr-and
Ti-based alloys undergo phase separation, which is a second-order phase transformation …

Effect of strain rate on twinning in a Zr alloy

R Kapoor, A Sarkar, J Singh, I Samajdar, D Raabe - Scripta Materialia, 2014 - Elsevier
Zr–1Nb alloy uniaxially compressed at room temperature at 10− 2 and 10 3 s− 1 exhibited
twinning and a three-stage strain-hardening behavior. At 10 3 s− 1 the twin fraction initially …

Load partitioning and evidence of deformation twinning in dual-phase fine-grained Zr–2.5% Nb alloy

O Muransky, MR Daymond, D Bhattacharyya… - Materials Science and …, 2013 - Elsevier
In situ neutron diffraction loading experiments were carried out on a cold-rolled dual-phase
(α-phase,∼ 10% β-phase) Zr–2.5% Nb alloy at room temperature. The specimens were cut …

Role of grain size in tensile behavior in twinning-induced plasticity β Ti-20V-2Nb-2Zr alloy

WL Wang, XL Wang, W Mei, J Sun - Materials Characterization, 2016 - Elsevier
The role of grain size in tensile behavior in a metastable β Ti-20V-2Nb-2Zr mass% alloy was
investigated.{332}< 113> mechanical twins are activated at high Schmid factors during …

The effects of increasing deformation strain on the microstructural evolution of a metastable β-Zr alloy

Z Liao, B Luan, X Zhang, R Liu, KL Murty… - Journal of Alloys and …, 2019 - Elsevier
In this study, we investigated the morphology evolution of deformation-induced α', α
″martensite and retained β phase with increasing deformation strain in metastable β-Zr …

Plastic deformation via hierarchical nano-sized martensitic twinning in the metastable β Ti-24Nb-4Zr-8Sn alloy

Y Yang, P Castany, YL Hao, T Gloriant - Acta Materialia, 2020 - Elsevier
A superelastic metastable β Ti-24Nb-4Zr-8Sn (wt.%) alloy is analyzed in the solution treated
state after different applied strains in order to reveal evolution of microstructures and explore …

Designing hetero-structured ultra-strong and ductile Zr-2.5 Nb alloys: Utilizing the grain size-dependent martensite transformation during quenching

SY Liu, JY Zhang, J Kuang, XY Bao, DD Zhang… - Journal of Materials …, 2022 - Elsevier
To further improve the service performance of Zr-2.5 Nb alloy worked as pressure tubes in
pressurized heavy water reactors, more investigation about the microstructure and …

Compression deformation behavior of Zr–1Sn–0.3 Nb alloy with different initial orientations at 650° C

B Luan, S Gao, L Chai, X Li, A Chapuis, Q Liu - Materials & Design (1980 …, 2013 - Elsevier
Zr is a hexagonal close packed metal which shows great anisotropy during deformation. To
reveal the effect of initial orientations on deformation behaviors of Zr alloys at elevated …

Dynamic recrystallization and deformation model of β-quenched Zr-4 alloy subjected to elevated temperature compression

C Cui, F Wang, Y Li, B Jiao, L Huang, W Zhang… - Materials Science and …, 2022 - Elsevier
Uniaxial thermal compression tests at 1023 K were conducted on β-quenched Zr-4 alloy to
engineering strains of 0.05, 0.1, 0.2 and 0.3 in this paper. Electron backscatter diffraction …