Journal
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
Volume 102, Issue 8, Pages 4415-4420Publisher
WILEY
DOI: 10.1111/jace.16446
Keywords
3+/5+pyrochlores; phase transition; thermal barrier coatings (TBC); thermal expansion; X-ray methods
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Funding
- Russian Science Foundation [18-13-00025]
- Russian Science Foundation [18-13-00025] Funding Source: Russian Science Foundation
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The experimental results presented for Sm2ScTaO7 pyrochlore in this study, temperature dependence of heat capacity and retaining the pyrochlore structure with the temperature variation, as well as the constant value of the thermal expansion coefficient in a wide temperature range, can be considered as evidences for the absence of a previously reported phase transition in the high-temperature region for this compound. This means that Sm2ScTaO7 pyrochlore is no doubt a promising material for thermal barrier coatings.
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