Hot corrosion resistance of Al2O3 nanoparticles reinforced CoNiCrAlY coatings deposited by LPPS and HVOF processes in molten Na2SO4-V2O5 at 850<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"><mml:mo>°</mml:mo><mml:mi>C</mml:mi></mml:math>

Zamani, Pejman; Valefi, Zia

doi:10.1016/j.surfcoat.2023.129949

Surface and Coatings Technology

2023

DOI: 10.1016/j.surfcoat.2023.129949

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Hot corrosion resistance of Al2O3 nanoparticles reinforced CoNiCrAlY coatings deposited by LPPS and HVOF processes in molten Na2SO4-V2O5 at 850°C

Pejman Zamani,

Zia Valefi

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Cited by 2 publications

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Correlation between microstructure, phase composition and oxidation behavior of CoNiCrAlY/nano-Al2O3 coatings using satellited feedstock deposited by LPPS process

Zamani,

Valefi

2023

Surface and Coatings Technology

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Correlation between microstructure, phase composition and oxidation behavior of CoNiCrAlY/nano-Al2O3 coatings using satellited feedstock deposited by LPPS process

Zamani,

Valefi

2023

Surface and Coatings Technology

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Characteristics and hot corrosion behavior of NiCrAlY metal bonding layers prepared by different processes

Qu,

Chen,

Zhang

et al. 2024

npj Mater Degrad

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The hot corrosion experiments of René N5 alloy coated with three different NiCrAlY metal bonding layers are carried out, that the layers are prepared by different methods (APS, HVAF and MIP). Compared with bare René N5 alloy samples, the hot corrosion resistance of coated samples is improved. It can be attributed to the small internal stress of the surface oxide layer on the coating sample, which is difficult to spall, reducing the degree of hot corrosion reaction. The hot corrosion resistance of NiCrAlY layers is MIP > HVAF > APS, which is positively positively related to the density of layers, because the influence of element diffusion in the process of hot corrosion is effectively slowed down.

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Hot corrosion resistance of Al2O3 nanoparticles reinforced CoNiCrAlY coatings deposited by LPPS and HVOF processes in molten Na2SO4-V2O5 at 850°C

Cited by 2 publications

References 47 publications

Correlation between microstructure, phase composition and oxidation behavior of CoNiCrAlY/nano-Al2O3 coatings using satellited feedstock deposited by LPPS process

Correlation between microstructure, phase composition and oxidation behavior of CoNiCrAlY/nano-Al2O3 coatings using satellited feedstock deposited by LPPS process

Characteristics and hot corrosion behavior of NiCrAlY metal bonding layers prepared by different processes

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