Precipitate shearing, fault energies, and solute segregation to planar faults in Ni-, CoNi-, and Co-base superalloys
YM Eggeler, KV Vamsi… - Annual Review of Materials …, 2021 - annualreviews.org
The mechanical properties of superalloys are strongly governed by the resistance to
shearing of ordered precipitates by dislocations. In the operating environments of …
shearing of ordered precipitates by dislocations. In the operating environments of …
[HTML][HTML] Unveiling the Re effect in Ni-based single crystal superalloys
Single crystal Ni-based superalloys have long been an essential material for gas turbines in
aero engines and power plants due to their outstanding high temperature creep, fatigue and …
aero engines and power plants due to their outstanding high temperature creep, fatigue and …
Atomistic simulation studies of Ni-based superalloys
Ni-based superalloys are key materials for hot-end components of aeroengines.
Considering the importance and complex of aeroengine components, the understanding on …
Considering the importance and complex of aeroengine components, the understanding on …
Creep anisotropy dominated by orientation rotation in Ni-based single crystal superalloys at 750° C/750 MPa
P Qu, W Yang, C Liu, J Qin, Q Wang, J Zhang… - Journal of Materials …, 2024 - Elsevier
The creep anisotropy of Ni-based single crystal superalloys was studied at 750° C/750 MPa.
Transmission electron microscopy (TEM) observations showed that stacking faults and micro …
Transmission electron microscopy (TEM) observations showed that stacking faults and micro …
The effect of small orientation deviation from [001] to [011] on high-temperature creep properties of nickel-based single crystal
J Wang, J Liang, D Zhang, Y Peng, Z Wen - International Journal of …, 2023 - Elsevier
Having regard to the inherent crystal anisotropy characteristic of nickel-based single crystal
and the actual industrial manufacture, and application of the turbine blade, a trade-off …
and the actual industrial manufacture, and application of the turbine blade, a trade-off …
[HTML][HTML] Nucleation of superlattice intrinsic stacking faults via cross-slip in nickel-based superalloys
FD León-Cázares, R Schlütter, F Monni, MC Hardy… - Acta Materialia, 2022 - Elsevier
Superlattice intrinsic stacking faults (SISF) are the main culprit for the low temperature creep
deformation of modern nickel-based superalloys used in jet engines. While these faults were …
deformation of modern nickel-based superalloys used in jet engines. While these faults were …
Influence of composition and precipitation evolution on damage at grain boundaries in a crept polycrystalline Ni-based superalloy
The microstructural and compositional evolution of intergranular carbides and borides prior
to and after creep deformation at 850° C in a polycrystalline nickel-based superalloy was …
to and after creep deformation at 850° C in a polycrystalline nickel-based superalloy was …
[HTML][HTML] Exploring the fundamentals of Ni-based superalloy single crystal (SX) alloy design: Chemical composition vs. microstructure
OM Horst, D Adler, P Git, H Wang, J Streitberger… - Materials & Design, 2020 - Elsevier
The present work contributes to a better understanding of the basic assumptions and
principles behind the design of Ni-based single crystal superalloys (SXs). For this purpose …
principles behind the design of Ni-based single crystal superalloys (SXs). For this purpose …
Effect of alloying elements on stacking fault energies of γ and γʹ phases in Ni-based superalloy calculated by first principles
The first-principle calculations were employed to investigate the effect of alloying elements
on stacking fault energies of γ-Ni and γʹ-Ni 3 Al phases in Ni-based single crystal …
on stacking fault energies of γ-Ni and γʹ-Ni 3 Al phases in Ni-based single crystal …
Atomic structure and elemental segregation behavior of creep defects in a Co-Al-W-based single crystal superalloys under high temperature and low stress
With the aim of understanding the effect of creep defects in the γ′ phase on the creep
resistance, the atomic structure and elemental segregation behavior of stacking faults (SFs) …
resistance, the atomic structure and elemental segregation behavior of stacking faults (SFs) …