Laser re-melting influence on isothermal oxidation behavior of electric current assisted sintered CoCrFeNi, CoCrFeNiAl0. 5 and CoCrFeNiTi0. 5Al0. 5 high entropy …

KM Doleker, A Erdogan, S Zeytin - Surface and Coatings Technology, 2021 - Elsevier
In this study, it was aimed to determine the effect of laser re-melting on the oxidation
behavior of high entropy alloys produced with electric current assisted sintering (ECAS) …

Approach for statistical analysis of oxide-and sulfate-induced hot corrosion of advanced alloys

AS Chikhalikar, EP Godbole, DL Poerschke - Corrosion Science, 2023 - Elsevier
This work develops an automated image and statistical analysis protocol to characterize and
compare the effect of three deposits on the accelerated non-uniform degradation of a model …

Developments in thermodynamic models of deposit-induced corrosion of high-temperature coatings

DL Poerschke - Jom, 2022 - Springer
Degradation caused by silicate deposits limits the lifetime of protective coatings in gas
turbine engines. In order to design more durable coating materials and architectures it is …

Oxidation behavior and corrosion resistance of CoCrFeNi high entropy alloy compared with FeCoNi medium entropy alloy

Q Ni, M Zhu, Y Yuan, S Guo - Materials Chemistry and Physics, 2024 - Elsevier
The entropy-based alloy with excellent oxidation and corrosion resistance is of great
significance for practical applications in high-temperature environments. Thus, the difference …

The effect of pre-oxidation on the hot corrosion behavior of CoNiCrAlHf alloy in Na2SO4 environment at elevated temperature

R Ali, P Song, M Khan, T Huang, S Ali, SH Sha, J Lu… - Applied Physics A, 2022 - Springer
The effect of pre-oxidation during hot corrosion test of cobalt-based alloy CoNiCrAlHf were
corroded at 1000℃ with molten Na2SO4 salt and investigated the corrosion resistance. Pre …

Modes of deposit-induced accelerated attack of MCrAlY systems at 1100 C

T Gheno, B Gleeson - Oxidation of metals, 2017 - Springer
The reaction of cast NiCoCrAlY alloys with oxide–sulfate deposits in CO 2–H 2 O–O 2 was
studied at 1100° C. The minimum Al concentration needed to form an external Al 2 O 3 scale …

On the Reaction Mechanism of MCrAlY Alloys with Oxide–Sulfate Deposits at 1100 C

T Gheno, B Gleeson - Oxidation of metals, 2016 - Springer
The corrosion of γ-(Ni, Co)+ β-(Ni, Co) Al NiCoCrAlY alloys exposed to CaO-rich, Na 2 SO 4-
containing deposits in air and CO 2–H 2 O–O 2 at 1100° C was studied with a focus on the …

On the Simulation of Composition Profiles in NiCoCrAl Alloys During Al2O3 Scale Growth in Oxidation and Oxidation–Dissolution Regimes

T Gheno, G Lindwall - Oxidation of metals, 2019 - Springer
The ability to simulate the oxidation behavior of multicomponent alloys is a powerful tool for
alloy development and oxidation research. The present work shows how the DICTRA …

Hot corrosion behavior of arc ion plating NiCoCrAlYSiHf coating via high-current pulsed electron beam

J Cai, Z Zu, C Li, P Lyu, Q Guan, Y Li - Oxidation of Metals, 2020 - Springer
NiCoCrAlYSiHf coating was prepared for the surface of the 3039 Ni-based superalloy. The
coating was prepared via arc ion plating, and it was modified using a high-current pulsed …

Effect of hafnium and molybdenum addition on inclusion characteristics in Co-based dual-phase high-entropy alloys

Y Wang, W Wang, JH Park, W Mu - International Journal of Minerals …, 2024 - Springer
Specific grades of high-entropy alloys (HEAs) can provide opportunities for optimizing
properties toward high-temperature applications. In this work, the Co-based HEA with a …