Additive manufacturing of fatigue resistant materials: Challenges and opportunities

A Yadollahi, N Shamsaei - International Journal of Fatigue, 2017 - Elsevier
This overview focuses on the current state of knowledge pertaining to the mechanical
characteristics of metallic parts fabricated via additive manufacturing (AM), as well as the …

Dislocation slip and crack nucleation mechanism in dual-phase microstructure of titanium alloys: a review

K Wang, H Li, Y Zhou, J Wang, R **n, Q Liu - Acta Metallurgica Sinica …, 2023 - Springer
The study on the deformation mechanism of titanium alloys is beneficial to revealing the
influence of microstructure on mechanical properties, and then providing guidance for the …

Mechanisms of macrozone elimination and grain refinement of near α Ti alloy via the spheroidization of the Widmannstätten structure

S Xu, H Zhang, N **ao, R Qiu, Z Cui, M Fu - Acta Materialia, 2023 - Elsevier
Regions with sharp local textures, ie, macrozones, are common microstructural
inhomogeneities in titanium (Ti) alloys that significantly reduce the fatigue resistance of Ti …

Fatigue life of additively manufactured Ti–6Al–4V in the very high cycle fatigue regime

J Günther, D Krewerth, T Lippmann, S Leuders… - International Journal of …, 2017 - Elsevier
The present study reports on the impact of two different additive manufacturing routes, ie
selective electron beam melting (EBM) and selective laser melting (SLM) on the fatigue life …

[HTML][HTML] Crack nucleation and dislocation activities in titanium alloys with the strong transverse texture: Insights for enhancing dwell fatigue resistance

R Jia, W Zeng, Z Zhao, B Wang, H Chen, J Xu… - International Journal of …, 2024 - Elsevier
Cold dwell sensitivity of near α titanium alloys has posed a significant challenge to the
engineering safety within the aerospace industry. However, there exists inconsistency …

Crack initiation mechanisms in Ti-6Al-4V subjected to cold dwell-fatigue, low-cycle fatigue and high-cycle fatigue loadings

C Lavogiez, C Dureau, Y Nadot, P Villechaise… - Acta Materialia, 2023 - Elsevier
Abstract Although Ti-6Al-4V is the most commonly used titanium alloy in the aerospace
industry, the mechanisms governing crack initiation in the different fatigue regimes are not …

[HTML][HTML] Microstructural effects on fatigue crack initiation mechanisms in a near-alpha titanium alloy

C Liu, X Xu, T Sun, R Thomas, JQ da Fonseca… - Acta Materialia, 2023 - Elsevier
The role of different microstructural constituents on crack initiation in two-phase titanium
alloys is still an area of great controversy. The present study investigates the effects of …

Effect of crystallographic orientation and geometrical compatibility on fatigue crack initiation and propagation in rolled Ti-6Al-4V alloy

F Briffod, A Bleuset, T Shiraiwa, M Enoki - Acta Materialia, 2019 - Elsevier
Fatigue crack initiation and short crack propagation was systematically investigated in a
rolled α/β Ti-6Al-4V alloy through a combination of in situ optical microscopy observations …

[HTML][HTML] Slip transfer and deformation structures resulting from the low cycle fatigue of near-alpha titanium alloy Ti-6242Si

S Joseph, I Bantounas, TC Lindley, D Dye - International Journal of …, 2018 - Elsevier
Near-alpha titanium alloy Ti6242Si, widely used in aero-engine compressor discs, was
subjected to low cycle fatigue loading at room temperature. Fracture initiated by facet …

Incipient slip and long range plastic strain localization in microtextured Ti-6Al-4V titanium

MLP Echlin, JC Stinville, VM Miller, WC Lenthe… - Acta Materialia, 2016 - Elsevier
High resolution scanning electron microscope digital image correlation (SEM DIC) was
performed in situ during uniaxial loading on Ti-6Al-4V rolled titanium plate to determine the …