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 …

Predicting the oxidation kinetic rate and near-surface microstructural evolution of alumina-forming Ni-based single crystal superalloy based on machine learning

F Yang, W Zhao, Y Ru, Y Pei, S Li, S Gong, H Xu - Acta Materialia, 2024 - Elsevier
The near-surface degradation of γ'-strengthening phase caused by oxidation has a
significant effect on the mechanical properties of thin-walled Ni-based single crystal (SX) …

Alumina failure and post-failure oxidation in the NiCoCrAlY alloy system at high temperature

T Gheno, C Rio, M Ecochard, D Texier - Oxidation of metals, 2021 - Springer
This paper examines the oxidation behavior of thin specimens of cast NiCoCrAlY alloys at
1150∘ C through successive stages, from Al 2 O 3 growth to complete alloy conversion to …

Experimental and modelling study on the β-phase depletion behaviour under the growth of spinel oxides and alumina in a CoNiCrAlY coating

H Chen, J Li, L Li, W Zhu, L Wei, Y Yin… - Surface and Coatings …, 2022 - Elsevier
This paper presents an experimental and modelling study on the β-phase depletion
behaviour in a vacuum plasma sprayed (VPS) CoNiCrAlY coating during isothermal …

In-depth investigation of the evolution of microstructure and its influence on the mechanical properties of medium-phosphorus electroless nickel coatings after …

HL Le Tran, M Bonvalet Rolland, I Proriol Serre… - Journal of Materials …, 2024 - Springer
To understand and further improve the corrosion resistance of a medium electroless
phosphorus nickel coating (9 wt% P) under high-temperature and corrosive conditions, the …

Microstructural Impacts on the Oxidation of Multi-Principal Element Alloys

MJ Pavel, ML Weaver - High Temperature Corrosion of Materials, 2024 - Springer
The impacts of thermal treatment on the precipitate morphology and oxidation behavior of a
dual-phase (FCC+ L12) multi-principal element alloy (MPEA), Ni45Co17Cr14Fe12Al7Ti5 …

Scaling behavior of four Co-20Ni-xCr-yAl (x= 8, 15 wt.%; y= 3, 5 wt.%) alloys exposed to 1 atm O2 at 1000° C and 1100° C

YJ Ren, T Dai, XH Guo, J Shen, YL Lv, J Chen, Y Niu - Corrosion Science, 2021 - Elsevier
The oxidation of four Co-20Ni-xCr-yAl (x= 8, 15 wt.%; y= 3, 5 wt.%) alloys in 1 atm of pure
oxygen was studied at 1000° C and 1100° C. All the alloys formed complex scales. The alloy …

Kinetic modelling of Cr2O3 growth on a Ni-30Cr alloy in silicate melts

E Schmucker, V Szczepan, L Martinelli, C Petitjean… - Corrosion …, 2020 - Elsevier
Abstract Corrosion tests of Ni-30Cr alloy were performed in three simplified soda-silicate
and borosilicate melts in order to follow the evolution of the protective chromia layer. A …

[PDF][PDF] ICME for Advanced Manufacturing of Ni Superalloy Heat Exchangers with High Temperature Creep+ Oxidation Resistance for Supercritical CO2

C Taylor, B Tossey, T Yu, Y Wang, S Niezgoda - 2020 - netl.doe.gov
• Creep modeling framework developed under NETL Grant No. DE-FE002776 has been
adapted for use to predict creep in response to the evolution of 𝛾′ structure due to in …

Contribution of modeling to explain the depassivation of chromia-forming alloys in molten glasses

V Szczepan, C Petitjean, PJ Panteix, M Vilasi - Corrosion Science, 2021 - Elsevier
The corrosion of chromia-forming alloys by molten glass is an issue encountered in
industrial processes such as glass fiber production or nuclear waste vitrification. A model of …