Degradation of Thermal Barrier Coatings with Molten CaO-MgO-Al2O3-SiO2 (CMAS) Deposition and Hot Corrosion

Muhammet Karabas, Emre Bal, Ayse Kiliç, Ismail Yilmaz Taptik

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureConferentiebijdrageAcademicpeer review

Samenvatting

Thermal barrier coatings (TBCs) are susceptible to degradation by molten CMAS (calcium-magnesium alumino silicate) deposits and hot corrosion , when employed in gas turbine engines operating in a dust-laden environment and low quality fuels . In this study, CMAS and hot corrosion degradation of TBCs are investigated. Yttria stabilized zirconia (YSZ) and Ceria-yttria stabilized zirconia coatings in contact with a CMAS dust and hot corrosion
salts deposit were subjected to heat treatment in air at temperature 1200°C for 12h. Phase
transformations and microstructural avolution were examined by using x-ray diffraction and scanning electron microscopy.
Originele taal-2Engels
Titel18th International Metallurgy & Materials Congress
Pagina's810-813
Aantal pagina's4
StatusGepubliceerd - 2016
Extern gepubliceerdJa
Evenement18th International Metallurgy and Materials Congress, IMMC 2016: 45 Years and Beyond - Istanbul, Turkije
Duur: 29 sep. 20161 okt. 2016

Congres

Congres18th International Metallurgy and Materials Congress, IMMC 2016
Verkorte titelIMMC 2016
Land/RegioTurkije
StadIstanbul
Periode29/09/161/10/16

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