A review of composition evolution in Ni-based single crystal superalloys

W **a, X Zhao, L Yue, Z Zhang - Journal of Materials Science & Technology, 2020 - Elsevier
Due to the outstanding creep performance, nickel-based single crystal superalloys (Ni-SXs)
are extensively applied in modern aero-engine and industrial gas turbine. Apart from the …

TCP phases growth and crack initiation and propagation in nickel-based single crystal superalloys containing Re

Z Zhang, Z Yue - Journal of Alloys and Compounds, 2018 - Elsevier
Based on crystal slip theory, the rafting of γ′ precipitate phases, the atomic diffusion of Re,
the growth mechanism of topologically close-packed (TCP) phases and the microcrack …

The importance of sign and magnitude of γ/γ′ lattice misfit in superalloys—with special reference to the new γ′-hardened cobalt-base superalloys

H Mughrabi - Acta materialia, 2014 - Elsevier
In this work, the remarkable high-temperature strength properties of monocrystalline γ′-
hardened Ni-base superalloys are reviewed with the goal of understanding better the …

[HTML][HTML] Recrystallization behavior of a high γ′-fraction Ni-based single crystal superalloy induced by residual strain

Q Wang, H Zhao, B Hu, Y Shang, Y Ru, H Zhang… - Materials & Design, 2024 - Elsevier
The static recrystallization (SRX) of the designed high γ′-fraction Ni-based single crystal
superalloy (SX) AlloyX was investigated. The three-dimensional SRX threshold of AlloyX …

Creep properties and relevant deformation mechanisms of two low-cost nickel-based single crystal superalloys at elevated temperatures

P Lv, L Liu, G Zhao, S Guo, Z Zhou, R Chen… - Materials Science and …, 2022 - Elsevier
In this work, the creep properties and relevant deformation mechanisms of the two self-
designed low-cost single crystal superalloys were studied under the conditions of 1038° …

[HTML][HTML] Pt-Al bond coat dependence on the high-cycle fatigue rupture and deformation mechanisms of a fourth-generation single crystal superalloy at various …

X Tao, K Tan, J Liang, X Wang, Y Zhou, J Li, X Sun - Materials & Design, 2023 - Elsevier
The impact of a Pt-Al bond coat on the high-cycle fatigue (HCF) behaviour of fourth-
generation single crystal superalloys at 760℃ and 900℃ was investigated. The Pt-Al bond …

Transfer learning enables the rapid design of single crystal superalloys with superior creep resistances at ultrahigh temperature

F Yang, W Zhao, Y Ru, S Lin, J Huang, B Du… - npj Computational …, 2024 - nature.com
Accelerating the design of Ni-based single crystal (SX) superalloys with superior creep
resistance at ultrahigh temperatures is a desirable goal but extremely challenging task. In …

Evolution of static recrystallization microstructure caused by residual strain of an Al-richen Ni-based single crystal superalloy

Q Wang, B Hu, H Zhao, Y Ru, W Qu, Y Pei, S Li… - Materials Science and …, 2024 - Elsevier
Recrystallization has a devastating effect on the service process of single crystal superalloys
(SX). This study mainly investigated the static recrystallization (SRX) behavior of an as-cast …

Degradation and dislocation evolution of the nickel-based single crystal superalloy DD6 under the coupling high-speed rotating and high temperature environments

X Wang, J Zhao, Y Tan, Z Zhang, Y Chen… - Journal of Alloys and …, 2024 - Elsevier
To model the centrifugal loads and complex geometries experienced by turbine blades
during service, the nickel-based single crystal superalloy DD6 samples with a groove …

The effect of coarsening of γ′ precipitate on creep properties of Ni-based single crystal superalloys during long-term aging

YS Huang, XG Wang, CY Cui, JG Li, LH Ye… - Materials Science and …, 2020 - Elsevier
The correlation between the coarsening of γ′ precipitate and creep properties during long-
term aging at 1000° C for 100–1000 h of a fourth-generation nickel-based single crystal …