[HTML][HTML] Powder Bed Fusion of nickel-based superalloys: A review

S Sanchez, P Smith, Z Xu, G Gaspard, CJ Hyde… - International Journal of …, 2021 - Elsevier
Abstract Powder Bed Fusion (PBF) techniques constitute a family of Additive Manufacturing
(AM) processes, which are characterised by high design flexibility and no tooling …

A state-of-the-art review on fatigue performance of powder bed fusion-built alloy 718

E Sadeghi, P Karimi, R Esmaeilizadeh, F Berto… - Progress in Materials …, 2023 - Elsevier
Abstract Alloy 718 is a Ni-Fe-based superalloy, which has been successfully adapted to
powder bed fusion (PBF) additive manufacturing because of the alloy's adaptability with …

[HTML][HTML] High temperature mechanical integrity of selective laser melted alloy 718 evaluated by slow strain rate tests

D Deng, RL Peng, J Moverare - International Journal of Plasticity, 2021 - Elsevier
Strain rate dependent deformation behaviours of selective laser melted Alloy 718 (IN718)
are systematically studied at 550 and 650° C by slow strain rate testing, with a forged …

[HTML][HTML] Subsurface grain refinement in electron beam-powder bed fusion of Alloy 718: Surface texture and oxidation performance

E Sadeghi, P Pant, R Jafari, RL Peng, P Karimi - Materials Characterization, 2020 - Elsevier
Subsurface grains of Alloy 718 additively manufactured via electron beam-powder bed
fusion technique were refined using shot peening to improve the surface texture and …

The mechanism of crack generation and propagation in the new casting alloy GH4151 during cogging

Z Jia, B Wei, C Jia, Y Ding, Y Yang, D Ling… - The International Journal …, 2021 - Springer
Based on the crack phenomena observed in an actual cogging experiment of the new as-
cast GH4151 alloy, the mechanism of crack generation and propagation during cogging was …

Effect of powder recycling on room and elevated temperature damage tolerability of Inconel 718 alloy fabricated by laser powder bed fusion

H Choi, S Kim, M Goto, S Kim - Materials Characterization, 2021 - Elsevier
Abstract Inconel 718 (IN718) specimens were prepared by laser powder bed fusion (L-PBF)
process using either virgin or recycled powder to investigate the effect of powder recycling …

[HTML][HTML] A comparison study of the dwell-fatigue behaviours of additive and conventional IN718: The role of dislocation substructure on the cracking behaviour

D Deng, RL Peng, J Moverare - Materials Science and Engineering: A, 2020 - Elsevier
The dwell-fatigue responses of high temperature materials, such as IN718, manufactured via
additive manufacturing processes with different microstructures is of practical interest in …

Fatigue behaviour of an additively manufactured ductile gas turbine superalloy

T Lindström, M Calmunger, R Eriksson… - Theoretical and Applied …, 2020 - Elsevier
Additive manufacturing (AM) offers new possibilities in gas turbine technology by allowing
for more complex geometries. However, the fatigue performance, including crack initiation …

Fatigue crack initiation and propagation in Alloy 718 with a bimodal grain morphology built via electron beam-powder bed fusion

E Sadeghi, G Asala, P Karimi, D Deng… - Materials Science and …, 2021 - Elsevier
A unique melting strategy was implemented in electron beam-powder bed fusion (EB-PBF)
of Alloy 718, resulting in the formation of a bimodal grain morphology consisting of fine …

Crack analysis in Ti-6Al-4V alloy produced by selective laser melting

HY Zhang, YH Liu, ZW Li, AH Xiong, K Li, JY Fu - Tungsten, 2021 - Springer
Quality and property control have become one of the critical problems for the metallic parts
produced by selective laser melting. In this paper, the crack spontaneously formed in the Ti …