Impact of bond coat types on calcium-magnesium-alumina-silicate and hot corrosion behavior in thermal barrier coatings

Javadi Sigaroodi, Mohammadrasoul; Rahimi, Javad; Poursaeidi, Esmaeil; Montakhabi, Farzam

doi:10.1016/j.corsci.2023.111742

Corrosion Science

2024

DOI: 10.1016/j.corsci.2023.111742

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Impact of bond coat types on calcium-magnesium-alumina-silicate and hot corrosion behavior in thermal barrier coatings

Mohammadrasoul Javadi Sigaroodi,

Javad Rahimi,

Esmaeil Poursaeidi

et al.

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2024

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Cited by 3 publications

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Investigation of the hot corrosion effects on the lifetime of TBCs with and without TC

Rahimi,

Choupani,

Poursaeidi

et al. 2024

Journal of Alloys and Compounds

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Investigation of the hot corrosion effects on the lifetime of TBCs with and without TC

Rahimi,

Choupani,

Poursaeidi

et al. 2024

Journal of Alloys and Compounds

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Enhanced CMAS and hot corrosion degradation of YSZ thermal barrier coating with nano powders

ÖZÇELİK,

AKDOĞAN EKER,

KARABAŞ

et al. 2024

Surface and Coatings Technology

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Investigation of wear behaviour of TiO2 and Al2O3 reinforced YSZ coating

Avcı,

Karabas

2024

Journal of Materials and Mechatronics: A

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In this study, three different ceramic powders used as thermal barriers were coated on AISI304 stainless steel by the atmospheric plasma spray method. A pin-on-disc apparatus was utilised to investigate the wear characteristics of the coatings. The effect of wear behavior of the addition of Al2O3 and titanium dioxide (TiO2) into the YSZ coating was investigated. Before the wear test, sanding and polishing processes were carried out to ensure that the average surface roughness of the coatings was less than 0.8 µm. The wear test according to ASTM G99-04, was conducted on a pin-on-disc device at a speed of 143 rpm. The test was performed in a dry condition, with a minimum of 8000 cycles. The wear test utilised a 4N load and 6 mm-diameter Al2O3 balls. The surface properties and wear characteristics of the coatings were analysed using a scanning electron microscope (SEM) and energy-dispersive X-ray spectroscopy (EDS) after conducting coating and wear tests. The wear rate of the samples was assessed using optical profilometry. A micro Vickers test equipment was employed to assess the microhardness of the materials. The findings demonstrated that the inclusion of Al2O3 in YSZ led to an enhancement in wear resistance, but the incorporation of TiO2 resulted in a notable reduction in wear resistance.

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Impact of bond coat types on calcium-magnesium-alumina-silicate and hot corrosion behavior in thermal barrier coatings

Cited by 3 publications

References 44 publications

Investigation of the hot corrosion effects on the lifetime of TBCs with and without TC

Investigation of the hot corrosion effects on the lifetime of TBCs with and without TC

Enhanced CMAS and hot corrosion degradation of YSZ thermal barrier coating with nano powders

Investigation of wear behaviour of TiO2 and Al2O3 reinforced YSZ coating

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