[HTML][HTML] A coherent set of model equations for various surface and interface energies in systems with liquid and solid metals and alloys

G Kaptay - Advances in colloid and interface science, 2020 - Elsevier
In this paper first a generally valid model is derived from the two fundamental equations of
Gibbs for temperature and composition dependences of all types of interfacial energies. This …

Alloying effects and effective alloy design of high-Cr CoNi-based superalloys via a high-throughput experiments and machine learning framework

X Zhuang, S Antonov, W Li, S Lu, L Li, Q Feng - Acta Materialia, 2023 - Elsevier
The discovery of a stable γ/γ'microstructure in Co-Al-W-based alloys brought forth
possibilities for Co-based superalloys as potential alternatives to Ni-based superalloys in …

[HTML][HTML] Deformation behavior and creep properties of Co-Al-W-based superalloys: A review

Y Zhao, Y Zhang, Y Zhang, Y Luo, D Tang, H Liu… - Progress in Natural …, 2021 - Elsevier
Co-Al-W-based superalloys may become a next generation of high-temperature structural
materials used in the hot-section of gas turbine because of the discovery of γ …

On the high temperature coarsening kinetics of γ′ precipitates in a high strength Co37. 6Ni35. 4Al9. 9Mo4. 9Cr5. 9Ta2. 8Ti3. 5 fcc-based high entropy alloy

P Pandey, S Kashyap, D Palanisamy, A Sharma… - Acta Materialia, 2019 - Elsevier
The paper reports evolution of two-phase microstructure quantitatively in a high entropy
alloy of composition Co 37.6 Ni 35.4 Al 9.9 Mo 4.9 Cr 5.9 Ta 2.8 Ti 3.5. A very high-volume …

A novel type of Co–Ti–Cr-base γ/γ′ superalloys with low mass density

CH Zenk, I Povstugar, R Li, F Rinaldi, S Neumeier… - Acta Materialia, 2017 - Elsevier
A γ′ strengthened Co–Ti–Cr superalloy is presented with a mass density∼ 14% below that
of typical Co–Al–W-based alloys. The lattice misfit is sufficiently low to form coherent …

On the diffusive phase transformation mechanism assisted by extended dislocations during creep of a single crystal CoNi-based superalloy

SK Makineni, A Kumar, M Lenz, P Kontis, T Meiners… - Acta Materialia, 2018 - Elsevier
We propose here a deformation-induced diffusive phase transformation mechanism
occurring during shearing of γ′ ordered phase in a γ/γ′ single crystalline CoNi-based …

Elemental site occupancy in the L12 A3B ordered intermetallic phase in Co-based superalloys and its influence on the microstructure

P Pandey, SK Makineni, A Samanta, A Sharma… - Acta Materialia, 2019 - Elsevier
We explore the effects of the elemental site occupancy in γ′-A 3 B (L1 2) intermetallic
phases and their partitioning across the γ/γ′ interface in a class of multicomponent W-free …

Thermophysical and mechanical properties of advanced single crystalline Co-base superalloys

N Volz, CH Zenk, R Cherukuri, T Kalfhaus… - … Materials Transactions A, 2018 - Springer
A set of advanced single crystalline γ′ strengthened Co-base superalloys with at least nine
alloying elements (Co, Ni, Al, W, Ti, Ta, Cr, Si, Hf, Re) has been developed and investigated …

High-Temperature CoNi-Based Superalloys Strengthened by γ′-(Ni,Co)3(Cr,Al,Ti,X): The Effect of Refractory Elements

Z Liang, JDH Paul, A Stark, A Bezold… - … Materials Transactions A, 2023 - Springer
Recent research on Co-based and CoNi-based alloys revealed that the Co–Al–W-system
provides interesting properties, however, the high content of W addition triggers high mass …

Influence of small amounts of Si and Cr on the high temperature oxidation behavior of novel cobalt base superalloys

Z Liang, M Göken, U Lorenz, S Neumeier, M Oehring… - Corrosion …, 2021 - Elsevier
The effect of small amounts of Si and Cr on the high temperature oxidation of alloys based
on Co-9Al-9W was investigated at 900° C. The results show that the effect of Si additions on …