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EnglishIn the perspective of fuelling the future generations of gas turbines by hydrogen rich syngas, the evaluation of the effect of a higher water vapour content into the flue gases on the TBC used, or potentially usable, is a need. For this purpose YPSZ APS TBC with two different microstructures have been exposed for 500 h at different temperatures in the range 1000 °C–1250 °C either in air and air +20% vol. H2O. The comparison between the different testing conditions has been performed in terms of sintering kinetics and phase stability, as evaluated by thermal diffusivity measurements and Synchrotron X-Rays diffraction, respectively. Furthermore the characterisation of thermal properties of two innovative TBCs (GZO-YPSZ and YAG) potentially able to withstand the CMAS attack and erosive environments, respectively, has been carried out. No clear evidence of a different behaviour of TBC has been observed, at least in the considered aging time and temperature range.
Thermo-physical properties of as deposited and aged thermal barrier coatings (TBC) for gas turbines : State-of-the art and advanced TBCs / F. Cernuschi, P. Bison, D.E. Mack, M. Merlini, S. Boldrini, S. Marchionna, S. Capelli, S. Concari, A. Famengo, A. Moscatelli, W. Stamm. - In: JOURNAL OF THE EUROPEAN CERAMIC SOCIETY. - ISSN 0955-2219. - 38:11(2018), pp. 3945-3961.
| Titolo: | Thermo-physical properties of as deposited and aged thermal barrier coatings (TBC) for gas turbines : State-of-the art and advanced TBCs | |
| Autori: | ||
| Parole Chiave: | Phase evolution; Pore morphology; Sintering; TBC; Thermal diffusivity; Ceramics and Composites; Materials Chemistry; 2506 Metals and Alloys | |
| Settore Scientifico Disciplinare: | Settore GEO/06 - Mineralogia | |
| Data di pubblicazione: | 2018 | |
| Rivista: | ||
| Tipologia: | Article (author) | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.jeurceramsoc.2018.04.044 | |
| Appare nelle tipologie: | 01 - Articolo su periodico |
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