Choosing ceramic materials for thermal barrier coating of GTE turbine blades on working temperatures up to 1400°С

Chubarov D.A., Budinovskiy S.A.
UDC
629.7.023.224:629.7.03-226.2
DOI
10.18577/2307-6046-2015-0-4-7-7
Article PDF (Russian) (1.2 MB)
How to cite
Chubarov D.A., Budinovskiy S.A. Choosing ceramic materials for thermal barrier coating of GTE turbine blades on working temperatures up to 1400°С // Proceedings of VIAM. 2015. No. 4. DOI: 10.18577/2307-6046-2015-0-4-7-7. URL: https://test.viam.ru/en/journal/2015/4/7
Keywords
YSZ
Abstract

The article considers advantages and disadvantages of currently used ZrO2–(7–8)%Y2O3 (yttrium-stabilized zirconia – YSZ) ceramic layer, widely used now in serial coatings to protect turbine blades of gas turbine engines. The systems and some properties of new ceramic materials based on zirconium oxide with the addition of one or more rare earth elements which are currently being developed abroad are represented. The ceramic layers developed by VIAM brought on by magnetron midrange targets sputtering based on zirconium alloys with rare earth metals with following plasma chemical ceramics deposition in the argon oxygen environment are shown. The microstructure of the surface of the deposited layers, thermal conductivity and the prospects of their use in the development of a new thermal barrier coating (TBC) generation are investigated.

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