Effect of porosity distribution on the strength and strain-to-failure of Laser-Powder Bed Fusion printed Ti–6Al–4V

K Joshi, P Promoppatum, SS Quek, S Raghavan… - Additive …, 2023 - Elsevier
The mechanical reliability of alloys produced by Laser-Powder Bed Fusion (LPBF) is a key
concern limiting their practical insertion into structural applications. While it is generally …

Investigation of strain partition behavior in the lamellar microstructure of dual-phase titanium alloy based on crystal plasticity simulations

M Zhang, B Tang, L Wang, K Li, B Yin, Z Zhang… - Materials Science and …, 2023 - Elsevier
A well-designed microstructure plays a crucial part in achieving favorable properties and
optimizing the service performances of titanium alloys, requiring thorough investigations of …

Johnson-Cook based criterion incorporating stress triaxiality and deviatoric effect for predicting elevated temperature ductility of titanium alloy sheets

B Valoppi, S Bruschi, A Ghiotti, R Shivpuri - International Journal of …, 2017 - Elsevier
In this paper, a new model based on the Johnson-Cook fracture criterion is proposed to
predict the ductility of Ti6Al4V titanium alloy sheets deformed at wide range of temperatures …

Nanomechanical characterization of the deformation response of orthotropic Ti–6Al–4V

C Rojas-Ulloa, C Bouffioux, AF Jaramillo… - Advanced …, 2021 - Wiley Online Library
The nanoindentation‐induced mechanical deformation response is applied to identify the
orthotropic elastic moduli using the Delafargue and Ulm method as well as to validate the …

Impact of distortional hardening and the strength differential effect on the prediction of large deformation behavior of the Ti6Al4V alloy

V Tuninetti, G Gilles, P Flores, G Pincheira, L Duchêne… - Meccanica, 2019 - Springer
The ability of three plasticity models to predict the mechanical behavior of Ti6Al4V until
fracture is presented. The first model is the orthotropic yield criterion CPB06 developed by …

Identification and validation of an extended Stewart-Cazacu micromechanics damage model applied to Ti–6Al–4V specimens exhibiting positive stress triaxialities

C Rojas-Ulloa, M Valenzuela… - Proceedings of the …, 2021 - journals.sagepub.com
In this research, the Stewart-Cazacu micromechanics coupled damage model is extended
and validated adding nucleation and coalescence models as new damage mechanisms …

Computational Mechanics for Turbofan Engine Blade Containment Testing: Fan Case Design and Blade Impact Dynamics by Finite Element Simulations

V Tuninetti, H Sepúlveda - Aerospace, 2024 - mdpi.com
The harsh environment during airplane take-off and flights with complex operating
conditions require a high dynamic and impact resistance capability of airplane engines. The …

Modelling of fracture onset in Ti6Al4V sheets deformed at elevated temperature

B Valoppi, S Bruschi, A Ghiotti - Procedia Manufacturing, 2016 - Elsevier
The reliability of FE-based simulations, employed to assess the application of sheet forming
process at elevated temperature to the production of high surface-to-thickness ratio …

[PDF][PDF] Experimental and numerical characterization of damage and application to incremental forming

CF Guzmán - 2016 - researchgate.net
Nowadays, product manufacturing can be divided into two groups: relatively simple products
produced in a large production chain and complex (specialized) components produced in …

Damage characterization of heat-treated titanium bio-alloy (Ti–6Al–4V) based on micromechanical modeling

S Rastgordani, AC Darabi… - Surface Topography …, 2020 - iopscience.iop.org
In this study, a micromechanical finite element model is proposed based on experimental
data and the rule of the mixture (RoM) in order to predict the tensile behavior of mechanical …