Method for Predicting Thermal Fatigue Life of Thermal Barrier Coatings Using TGO Interface Stress

Thermal barrier coatings (TBCs) applied to high-temperature components of gas turbines consist of a ceramic top coat, a metallic bond coat, and thermally grown oxide (TGO) generated between the top coat and bond coat. Because TBCs are subjected to repeated thermal stress at the coating interface und...

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Veröffentlicht in:	International journal of precision engineering and manufacturing 2020-09, Vol.21 (9), p.1677-1685
Hauptverfasser:	Yun, Junghan, Wee, Sunguk, Park, Soo, Lee, Jeong-Min, Song, Hyunwoo, Seok, Chang-Sung
Format:	Artikel
Sprache:	eng
Schlagworte:	Air plasma Ceramic bonding Ceramic coatings Engineering Equivalence Fatigue life Fatigue tests Finite element method Gas turbines High temperature Industrial and Production Engineering Interfacial stresses Life prediction Materials Science Modulus of elasticity Nickel base alloys Operating temperature Regular Paper Superalloys Thermal barrier coatings Thermal fatigue Thermal stress Thickness
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