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SAUCEDO-MORA, L. SLÁMEČKA, K. THANDAVAMOORTHY, U. MARROW, T.
Originální název
Multi-scale modeling of damage development in a thermal barrier coating
Typ
článek v časopise ve Web of Science, Jimp
Jazyk
angličtina
Originální abstrakt
A multi-scale Finite Element Microstructure MEshfree (FEMME) fracture model for quasi-brittle materials with complex microstructures is applied to simulate thermo-mechanical damage in a plasma-sprayed thermal barrier coating system. This novel multi-scale technique for damage simulation allows the influence of the microstruc- ture of the yttria-stabilized zirconia top coat and the geometry of the bond coat and the thermally grown oxide layer to be considered with computational efficiency. Mechanical damage, due to the thermal strain of an applied temperature difference, is predicted to decrease the top coat Young's modulus. The interaction between the evolution of damage and temperatures within the top coat is also simulated, demonstrating the capability of this methodology to address coupled multi-scale problems.
Klíčová slova
Thermal barrier coating, Thermally grown oxide, Top coat, Damage, Multi-scale numerical model, Roughness
Autoři
SAUCEDO-MORA, L.; SLÁMEČKA, K.; THANDAVAMOORTHY, U.; MARROW, T.
Rok RIV
2015
Vydáno
25. 8. 2015
ISSN
0257-8972
Periodikum
Surface and Coatings Technology
Ročník
276
Číslo
1
Stát
Švýcarská konfederace
Strany od
399
Strany do
407
Strany počet
9
BibTex
@article{BUT114978, author="Luis {Saucedo-Mora} and Karel {Slámečka} and Uma {Thandavamoorthy} and Thomas James {Marrow}", title="Multi-scale modeling of damage development in a thermal barrier coating", journal="Surface and Coatings Technology", year="2015", volume="276", number="1", pages="399--407", doi="10.1016/j.surfcoat.2015.06.038", issn="0257-8972" }