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 …

[HTML][HTML] Interrupted fatigue testing with periodic tomography to monitor porosity defects in wire+ arc additive manufactured Ti-6Al-4V

R Biswal, X Zhang, M Shamir, A Al Mamun, M Awd… - Additive …, 2019 - Elsevier
Porosity defects remain a challenge to the structural integrity of additive manufactured
materials, particularly for parts under fatigue loading applications. Although the wire+ arc …

Effect of strain amplitude on low cycle fatigue and microstructure evolution in Ti-6Al-4V: A TKD and TEM characterization

JS Jha, S Dhala, SP Toppo, R Singh, A Tewari… - Materials …, 2019 - Elsevier
Low cycle fatigue (LCF) tests were carried out on mill annealed Ti-6Al-4V for 100 cycles at
various strain amplitudes. The strain amplitudes were chosen such that, cyclic stress …

Quantifying lamellar microstructural effect on the fatigue performance of bimodal Ti-6Al-4V with microdefect

K Tang, K Chen, P Ferro, F Berto - International Journal of Fatigue, 2022 - Elsevier
Fatigue performance of metal alloys is inseparably associated with heterogenous
microstructure and existing microdefects. The coordinated effects of lamellar microstructure …

An experimental investigation on the progressive failure of an additively manufactured Laser Powder Bed Fusion Ti-6Al-4V aero-engine bracket under Low Cycle …

A Gupta, CJ Bennett, W Sun - Engineering Failure Analysis, 2022 - Elsevier
Abstract The Low Cycle Fatigue (LCF) performance of an aero-engine bracket in a 'struts
and connectors' design, made using the Laser Powder Bed Fusion (LPBF) process has …

[HTML][HTML] Cyclic plasticity and damage mechanisms of Ti-6Al-4V processed by electron beam melting

AK Syed, D Parfitt, D Wimpenny, E Muzangaza… - International Journal of …, 2022 - Elsevier
Cyclic deformation and damage mechanisms in electron-beam-melted Ti-6Al-4V are
investigated. As-built samples exhibit a graded microstructure over the height of 120 mm …

[HTML][HTML] On the microstructural evolution and failure mechanism in laser powder bed fusioned Ti–6Al–4V during low cycle fatigue at room and elevated temperatures

A Gupta, CJ Bennett, W Sun, N Neate - journal of materials research and …, 2022 - Elsevier
Microstructural features and their evolution during cyclic deformation directly impact the low
cycle fatigue (LCF) life of additively manufactured Laser Powder Bed Fusion (LPBF) Ti–6Al …

Influence of α‐Precipitate Orientation and Distribution on the Deformation Behavior of the Additively Manufactured Metastable β‐Titanium Alloy Ti‐5553 Assessed by …

EG Alves Alcântara, C Fleck - Advanced Engineering Materials, 2023 - Wiley Online Library
The metastable β‐titanium alloy Ti–5Al–5V–5Mo–3Cr (Ti‐5553) has recently found growing
interest as medical implant material due to its advantageous mechanical properties when …

A study on dwell-fatigue behavior of additively manufactured Ti-alloy

L Bhandari, V Gaur - Engineering Failure Analysis, 2023 - Elsevier
Abstract The Ti6Al4V is a cold dwell sensitive alloy, as evident from the failure investigations
of several aerospace fan discs and past laboratory research data. However, the studies on …

Influence of Friction and Back Stresses Evolution on Cyclic Softening of Laser Powder Bed Fusion Ti-6Al-4V ELI Alloy

A Goyal, A Ranjan, B Ravi, S Karagadde - Additive Manufacturing, 2024 - Elsevier
Abstract Laser Powder Bed Fusion (LPBF) of Ti-6Al-4V ELI enables the fabrication of
complex and individualized load-bearing patient-specific implants (PSI). These PSI are …