[HTML][HTML] Exploring the Impact of Configurational Entropy on the Design and Development of CoNi-Based Superalloys for Sustainable Applications

A Mohammadzadeh, A Heidarzadeh, H Becker… - Journal of Alloys and …, 2023 - Elsevier
A comprehensive literature review on recently rediscovered Co-and/or CoNi-based
superalloys, strengthened by the γ'phase, revealed a relationship between the …

Cryogenic tensile behavior of laser additive manufactured CoCrFeMnNi high entropy alloys

ES Kim, KR Ramkumar, GM Karthik, SG Jeong… - Journal of Alloys and …, 2023 - Elsevier
In the present work the microstructural evolution, tensile properties, and deformation
behavior of additively manufactured equiatomic CoCrFeMnNi high entropy alloy (HEA) were …

[HTML][HTML] A thermo-mechanical model for hot cracking susceptibility in electron beam powder bed fusion of Ni-base superalloys

B Wahlmann, M Markl, C Körner - Materials & Design, 2024 - Elsevier
Hot cracking is a major challenge in the additive manufacturing of Ni-base superalloys. Most
cracking indicators only consider the alloy composition and its effects on solidification …

Interplay between solidification microsegregation and complex precipitation in a γ/γ'cobalt-based superalloy elaborated by directed energy deposition

T Froeliger, A Després, L Toualbi, D Locq… - Materials …, 2022 - Elsevier
This study examines the segregations and the precipitation appearing during the
solidification path of a Co-Ni-Al-W-Ta-Ti-Cr γ/γ'cobalt-based superalloy processed by …

Directed energy deposition of γ/γ'Co-Al-W superalloys

B Yoo, C Jung, KH Ryou, WS Choi, L Haußmann… - Additive …, 2022 - Elsevier
Abstract In this study, Co-Al-W superalloys forming γ/γ'microstructures were fabricated by
laser-directed energy deposition and investigated with respect to their susceptibility to hot …

Minor Elements and Solidification Cracking During Laser Powder-Bed Fusion of a High CoNi-Base Superalloy

EB Raeker, KM Pusch, SAJ Forsik, N Zhou… - … Materials Transactions A, 2023 - Springer
The cracking behavior of a high γ′ volume fraction CoNi-base superalloy fabricated via
laser powder bed fusion (LPBF) is studied in relation to the content of carbon and boron …

Analysis of the high cracking resistance of a Co Ni superalloy during laser additive manufacturing

J Lamb, KM Pusch, AT Polonsky, SAJ Forsik, N Zhou… - Scripta Materialia, 2024 - Elsevier
A newly developed CoNi-based superalloy is demonstrated to be tolerant of a wide range of
laser powder bed fusion print conditions, with limited defect content and high relative …

[HTML][HTML] Multi-length-scale study on the heat treatment response to supersaturated nickel-based superalloys: Precipitation reactions and incipient recrystallisation

YT Tang, C Panwisawas, BM Jenkins, J Liu, Z Shen… - Additive …, 2023 - Elsevier
A supersaturated γ phase microstructure is produced in Ni-based superalloys using laser
powder bed fusion (L-PBF)–the cooling rate arising from the process is shown to suppress …

[HTML][HTML] The effects of load on the microstructure and wear behavior of Co–27Cr–22Fe alloy processed by high-temperature nitriding

Y Chen, Y Cai, C Yuan, L Yang, X Gao, Y Wang… - Journal of Materials …, 2023 - Elsevier
In this study, high-temperature nitriding was used to improve the surface hardness and wear
resistance of Co–27Cr–22Fe alloy in a thermogravimetric analyzer. The high-temperature …

Impacts of Superalloys on the Surface Quality of Additively Manufactured Channels

TM Corbett, KA Thole, D Ryan… - … Expo: Power for …, 2023 - asmedigitalcollection.asme.org
Gas turbines feature many components that require superalloys capable of handling
extreme thermal environments. Increasing the selection of materials available for these …