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Influence of Pre-Oxidation on High Temperature Oxidation and Corrosion Behavior of Ni-Based Aluminide Coating in Na2SO4 Salt at 1050°C

open access: yesFrontiers in Materials, 2021
Aluminide coating is prepared on K438 Ni-based superalloy by pack cementation. The hot corrosion test of as-received and pre-oxidation aluminide coating in Na2SO4 salt are carried out at 1050°C.
Qing Li   +6 more
doaj   +2 more sources

Effect of platinum and pre-oxidation on the hot corrosion behavior of aluminide coating with NaCl at 1050 °C

open access: yesMaterials Research Express, 2020
The hot corrosion behaviors of the aluminide coatings with different treatments on the surface of Ni-based alloy at high temperature were investigated.
Jubo Peng   +9 more
doaj   +2 more sources

Type-I hot corrosion behavior of Cr-modified slurry aluminide coating superalloy Rene 80 [PDF]

open access: yesScientific Reports
In this study, the structure and type-I hot corrosion behavior of chromium-modified slurry aluminide coatings obtained by chromizing/Cr-plating before the slurry aluminizing have been discussed.
K. Shirvani   +3 more
doaj   +2 more sources

Oxidation Behavior and Oxide Transformation of a Pt-Modified Aluminide Coating at Moderate High Temperature

open access: yesCrystals, 2021
The oxidation performance of a single-phase Pt-modified aluminide coating was assessed in oxidation test at 980 °C in comparison with the single crystal superalloy. The results suggested that the Pt-modified aluminide coating exhibited superior oxidation
Yanyan Li   +4 more
doaj   +2 more sources

Microstructure and hot corrosion behavior of slurry silicon-aluminide coating modified by chromizing and chromium plating on superalloy Rene-80 [PDF]

open access: yesScientific Reports
In this article, the microstructural characteristics of silicon-aluminide coatings with and without Cr applied on Rene-80 nickel-based superalloy substrates are presented and analyzed.
S V Miraboutalebi   +3 more
doaj   +2 more sources

SEM/TEM Investigation of Aluminide Coating Co-Doped with Pt and Hf Deposited on Inconel 625. [PDF]

open access: yesMaterials (Basel), 2018
The effect of simultaneous introduction of Hf and Pt into aluminide coating deposited on Inconel 625 alloy was investigated using scanning and transmission electron microscopy (SEM/TEM) methods.
Morgiel J   +3 more
europepmc   +2 more sources

Microstructural investigation of low-activity and high-activity aluminide coatings fabricated by vapor phase aluminizing on IN792 superalloy [PDF]

open access: yesScientific Reports
To improve the oxidation and hot corrosion resistance of components, parts for gas turbine engines made of nickel-based superalloys are often coated with aluminide coatings. Various methods apply these coatings on superalloys.
Ali Azari Beni, Saeed Rastegari
doaj   +2 more sources

Effect of ZR Content on Oxide-Scale Spallation of Aluminide Coating

open access: yesIranian Journal of Materials Science and Engineering, 2019
In the present study, Zirconium modified aluminide coating on the nickel-base superalloy IN-738LC was first created by high activity high temperature aluminizing based on the out-of-pack cementation method.
R. Latifi, S. Rastegari, S. H. Razavi
doaj   +2 more sources

Research Progress of Palladium - Modified Aluminide Coating on Nickel - Based Superalloy [PDF]

open access: yesCailiao Baohu, 2021
The palladium - modified aluminide coating could improve the high - temperature oxidation resistance and heat corrosion resistance of the aluminide coating. The addition of Pd made the NiAl phase have higher high - temperature stability and could inhibit
XIA Si - yao, WU Yong, ZHANG Bo - wen, HUANG Tian - zong
doaj   +1 more source

Temperature-Dependent Effect of Microstructure of Aluminide Coating Prepared by CVD [PDF]

open access: yesCailiao Baohu, 2023
Owing to the advantages of non-line-of-sight deposition,the aluminide coating preparation technology is widely used on key hot-end components of gas turbines, and can prepare oxidation-resistant and corrosion-resistant aluminide coatings on the outer ...
QI Haoxiong, WU Yong, LIU Meijun, MENG Guohui, SUN Qingyun, CHEN Tongzhou, DUAN Haitao, YANG Guanjun
doaj   +1 more source

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