Defects and anomalies in powder bed fusion metal additive manufacturing

A Mostafaei, C Zhao, Y He, SR Ghiaasiaan… - Current Opinion in Solid …, 2022 - Elsevier
Metal additive manufacturing is a disruptive technology that is revolutionizing the
manufacturing industry. Despite its unrivaled capability for directly fabricating metal parts …

Directed energy deposition of metals: processing, microstructures, and mechanical properties

SH Li, P Kumar, S Chandra… - International Materials …, 2023 - journals.sagepub.com
Amongst the many additive manufacturing (AM) techniques, directed energy deposition
(DED) is a prominent one, which can also be used for the repair of damaged components. In …

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 …

[HTML][HTML] A review of the as-built SLM Ti-6Al-4V mechanical properties towards achieving fatigue resistant designs

D Agius, KI Kourousis, C Wallbrink - Metals, 2018 - mdpi.com
Ti-6Al-4V has been widely used in both the biomedical and aerospace industry, due to its
high strength, corrosion resistance, high fracture toughness and light weight. Additive …

[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 …

[HTML][HTML] Application of bulk deformation methods for microstructural and material property improvement and residual stress and distortion control in additively …

PA Colegrove, J Donoghue, F Martina, J Gu… - Scripta Materialia, 2017 - Elsevier
Many additively manufactured (AM) materials have properties that are inferior to their
wrought counterparts, which impedes industrial implementation of the technology. Bulk …

[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 …

Effects of synchronized magnetic arc oscillation on microstructure, texture, grain boundary and mechanical properties of wire arc additively manufactured Ti6Al4V alloy

B Wu, Z Qiu, B Dong, D Wexler, Z Pan, K Carpenter… - Additive …, 2022 - Elsevier
In this study, microstructure and mechanical properties of wire arc additively manufactured
Ti6Al4V alloy with/without magnetic arc oscillation were investigated by means of optical …

Grain morphology evolution and texture characterization of wire and arc additive manufactured Ti-6Al-4V

J Wang, X Lin, J Wang, H Yang, Y Zhou, C Wang… - Journal of Alloys and …, 2018 - Elsevier
In this study, four straight walls of Ti-6Al-4V titanium alloy were fabricated by wire and arc
additive manufacturing (WAAM) to investigate the effect of deposition parameters on grain …