[HTML][HTML] Influence of laser powder bed fusion process parameters on the microstructure and cracking susceptibility of nickel-based superalloy Alloy 247LC

O Adegoke, J Andersson, H Brodin, R Pederson… - Results in …, 2022 - Elsevier
Microstructures of material conditions of nickel-based superalloy Alloy 247LC fabricated
using laser powder bed fusion (L-PBF) were investigated. Experiments designed in a prior …

[HTML][HTML] Influence of laser powder bed fusion process parameters on the microstructure of solution heat-treated nickel-based superalloy Alloy 247LC

O Adegoke, SR Polisetti, J Xu, J Andersson… - Materials …, 2022 - Elsevier
In this study, Alloy 247LC samples were built with different laser powder bed fusion (L-PBF)
process parameters. The samples were then subjected to solution heat treatment at 1260° C …

Influence of laser powder bed fusion process parameters on voids, cracks, and microhardness of nickel-based superalloy alloy 247LC

O Adegoke, J Andersson, H Brodin, R Pederson - Materials, 2020 - mdpi.com
The manufacturing of parts from nickel-based superalloy Alloy 247LC by laser powder bed
fusion (L-PBF) is challenging, primarily owing to the alloy's susceptibility to cracks. Apart …

[HTML][HTML] Investigating crack formation in IN738LC Ni-based superalloy fabricated by laser powder-bed fusion process

M Hafezi, A Kermanpur, A Rezaeian… - Journal of Materials …, 2024 - Elsevier
Cracking is one of the most important challenges in the laser powder-bed fusion (LPBF)
processing of high-γʹ nickel-based superalloys. In this work, crack susceptibility of the …

Investigation of cracking mechanism and yield strength associated with scanning strategy for an additively manufactured nickel-based superalloy

X Liu, R Hu, H Zou, C Yang, X Luo, J Bai… - Journal of Alloys and …, 2023 - Elsevier
Laser powder bed fusion (LPBF) is considered as a promising technique to fabricate the
high W-content nickel-based superalloys, which have excellent mechanical properties and …

[HTML][HTML] Cracking mechanisms and effect of extensive preheating in CM247LC and IN713LC Ni-base superalloy processed by Laser Powder Bed Fusion

M Abdelwahed, JRB Puchades, LP Griñán… - Materials Today …, 2023 - Elsevier
Laser powder bed fusion processing of non-weldable γ'-strengthened Ni-based superalloys
is challenging due to various cracking mechanisms that occur during the solidification and …

Crack inhibition to enhance strength-ductility of CM247LC alloy fabricated by laser powder bed fusion

L Liu, D Wang, G Deng, Z Liu, C Tan, X Zhou… - Materials Science and …, 2023 - Elsevier
High cracking susceptibility is a critical challenge for the application of high γ′-fraction Ni-
base superalloys fabricated by laser powder bed fusion (LPBF). This study systematically …

[HTML][HTML] Effects of time per layer and part geometry on thermal history and microcracking in the fabrication of nickel superalloy samples by laser powder bed fusion

M Kusano, Y Takata, A Yumoto, M Watanabe - Additive Manufacturing, 2024 - Elsevier
The fabrication of near-net-shape products using laser powder bed fusion (L-PBF, PBF-LB)
is expected to bring benefits such as part consolidation and light-weighting to the aircraft …

[HTML][HTML] Significant reduction of grain size and texture intensity in laser powder bed fusion fabricated nickel-based superalloy by increasing constitutional supercooling

Y Zhao, T Ma, Z Gao, Y Feng, C Li, Q Guo, Z Ma… - Composites Part B …, 2023 - Elsevier
Coarse columnar grains are always present in nickel-based superalloys fabricated by laser
powder bed fusion (LPBF), which not only causes anisotropy in mechanical properties, but …

A melt pool temperature model in laser powder bed fabricated CM247LC Ni superalloy to rationalize crack formation and microstructural inhomogeneities

D Wang, S Li, G Deng, Y Liu, MM Attallah - Metallurgical and Materials …, 2021 - Springer
This study of the laser powder bed fusion (LPBF) of γ′-strengthened Ni superalloy
CM247LC focuses on the development of a melt pool temperature model to predict crack …