journal article·2025-10

The mechanisms of preferential occupation and planar defect transformation in the μ phase of cobalt-based superalloys

Wei Chen, Yunsong Zhao, Xiaoyu Fei, Xiuyuan Wang, Pengfei Nan, Yongsheng Zhang, Huixin Jin, Binghui Ge

Acta Materialia· Volume 298
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OpenAlex topics: High Temperature Alloys and Creep · Advanced Materials Characterization Techniques · Metallurgical Processes and Thermodynamics

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References (47)

Show source-provided references
1. Reed · 2006
2. Alloy design for aircraft engines10.1038/nmat4709 ↗
3. Effects of rhenium on the microstructure and creep properties of novel nickle-based single crystal superalloys10.1016/j.msea.2019.138042 ↗
4. The effects of re, W and Ru on microsegregation behaviour in single crystal superalloy systems10.7449/2004/Superalloys_2004_801_810 ↗
5. Mechanisms of topologically close-packed phase suppression in an experimental ruthenium-bearing single-crystal nickel-base superalloy at 1100°C10.1007/s11661-008-9490-9 ↗
6. Characterization and formation of σ/γ interface in Ni-based single crystal superalloys10.1088/2053-1591/aa9777 ↗
7. Effect of Ru on γ/γ' microstructural evolutions and precipitation of TCP phases during thermal exposure at 1100 °C in a single crystal superalloy10.1016/j.matchar.2022.111794 ↗
8. Study on the formation and structure of μ-phase non-basal planar defects in Ni-Mo-Cr model superalloy
9. Effect of thermal exposure conditions on TCP phase precipitation in Ni-Mo-Cr model superalloy
10. Influence of solidification conditions on TCP phase formation, casting porosity and high temperature mechanical properties in a re-containing Nickel-base superalloy with columnar grain structure
11. Influence of TCP phase and its morphology on creep properties of single crystal nickel-based superalloys10.1016/j.msea.2010.05.027 ↗
12. Effect of TCP-phases on the tensile fracture behavior of single-crystal nickel alloy ZhS36-VI [001]10.1007/s11041-015-9788-3 ↗
13. Laves phases for high temperatures—Part II: stability and mechanical properties10.1016/S0966-9795(02)00025-0 ↗
14. Precipitation characteristics of μ-phase in wrought nickel-base alloys and its effect on their properties10.1007/BF00352653 ↗
15. Role and behaviour of μ phase during deformation of a nickel-based single crystal superalloy10.1016/S0921-5093(98)00766-7 ↗
16. Formation of μ phase during thermal exposure and its effect on the properties of K465 superalloy10.1016/j.scriptamat.2006.04.032 ↗
17. µ-Phase behavior in a cast Ni-base superalloy10.1007/s10853-009-3738-7 ↗
18. Precipitation behavior of μ phase and creep rupture in single crystal superalloy CMSX-410.1016/j.jallcom.2011.04.001 ↗
19. In situ TEM investigation on the precipitation behavior of μ phase in Ni-base single crystal superalloys10.1016/j.actamat.2016.03.046 ↗
20. Atomic arrangement and formation of planar defects in the μ phase of Ni-base single crystal superalloys10.1016/j.jallcom.2018.07.035 ↗
21. Atomic configurations of planar defects in μ phase in Ni-based superalloys10.1016/j.scriptamat.2020.09.045 ↗
22. Atomistic mechanism of phase transformation between topologically close-packed complex intermetallics10.1038/s41467-022-30040-0 ↗
23. Atomic-scale structural characterization and twin formation mechanisms of μ phase within refractory NbNi alloy10.1016/j.matchar.2023.112921 ↗
24. Ab initio molecular simulations with numeric atom-centered orbitals10.1016/j.cpc.2009.06.022 ↗
25. From ultrasoft pseudopotentials to the projector augmented-wave method10.1103/PhysRevB.59.1758 ↗
26. Efficient pseudopotentials for plane-wave calculations10.1103/PhysRevB.43.1993 ↗
27. Generalized gradient approximation made simple10.1103/PhysRevLett.77.3865 ↗
28. Special points for Brillouin-zone integrations10.1103/PhysRevB.13.5188 ↗
29. Projector augmented-wave method10.1103/PhysRevB.50.17953 ↗
30. Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set10.1103/PhysRevB.54.11169 ↗
31. The effects of solutes like ruthenium on precipitation of σ phase and σ/γ interface stability in Ni-based superalloys10.1016/j.intermet.2022.107768 ↗
32. A strong-yet-ductile high-entropy alloy in a broad temperature range from cryogenic to elevated temperatures10.1016/j.actamat.2024.119770 ↗
33. Metastable defect phase diagrams as roadmap to tailor chemically driven defect formation10.1016/j.actamat.2024.120145 ↗
34. Materials design by constructing phase diagrams for defects10.1002/adma.202402191 ↗
35. Topologically close packed phases in an experimental rhenium-containing single crystal superalloy
36. On the structure of defects in the Fe7Mo6 μ-phase10.1016/j.actamat.2019.01.045 ↗
37. Site occupancy behavior of the binary μ phase10.1016/j.jssc.2021.122704 ↗
38. Assessment of the niobium–nickel system10.1016/j.calphad.2004.09.004 ↗
39. The element occupation preference of μ phase in ternary Ni-Cr-Mo model superalloy10.1016/j.matdes.2022.111569 ↗
40. Williams · 2009
41. Ordering of atoms in the σ phase10.1107/S0365110X56000802 ↗
42. Topologically close-packed structures of transition metal alloys10.1016/0079-6425(72)90002-3 ↗
43. Site occupation in the Ni-Nb μ phase10.1103/PhysRevB.67.174203 ↗
44. Frank partial dislocation in Ti2AlC-MAX phase induced by matrix-Cu diffusion10.1016/j.scriptamat.2020.09.007 ↗
45. First-principles theoretical and experimental studies of effects of ruthenium on precipitation behavior of μ phase and μ/matrix interface stability in Ni-based single crystal superalloys10.1016/j.intermet.2019.106556 ↗
46. Effects of the orientation relationships between TCP phases and matrix on the morphologies of TCP phases in Ni-based single crystal superalloys10.1016/j.matchar.2021.111609 ↗
47. Highly printable, strong, and ductile ordered intermetallic alloy10.1038/s41467-025-56355-2 ↗