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Comparative study of suspension plasma sprayed and suspension high velocity oxy -fuel sprayed YSZ thermal barrier coatings

Surface and Coatings Technology, 2015
Suspension Thermal Spraying is a relatively new thermal spaying technique to produce advanced thermal barrier coatings. This technique enables the production of much different performance thermal barrier coatings than conventional thermal spraying which ...
Ashish Ganvir, Nicholas Curry, Nicolaie Markocsan   +2 more
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Latest Advancements in Thermal Barrier Coatings

Canadian Aeronautics and Space Journal, 2004
As gas turbine engine designers strive to increase engine efficiency, thrust, and higher turbine inlet temperatures, the substrate superalloys are pushed to their upper limits of thermal stability. For this reason, thermal barrier coatings, with a typical composition of ZrO2-7%Y2O3, were developed and applied to the metallic substrate for added ...
Patnaik, P. C., Wang, D., Huang, X.
openaire   +2 more sources

Thermal conductivity of thermal barrier coatings

Materials Science and Engineering: A, 1998
Abstract In thermal barrier coatings and other ceramic oxides, heat is conducted by lattice waves, and also by a radiative component which becomes significant at high temperatures. The theory of heat conduction by lattice waves is reviewed in the equipartition limit (above room temperature).
P.G. Klemens, M. Gell
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Thermal conductivity of thermal barrier coatings

Russian Aeronautics (Iz VUZ), 2009
The results of experimental studies of the thermal conductivity coefficient of thermal barrier coatings (TBC) are presented. A technique for its determination is proposed and tested. The data of design evaluation of the TBC thickness distribution along the outline of a cooled turbine blade are given.
A. V. Il’inkov, T. A. Il’inkova, A. V. Shchukin, I. V. Basargin, R. R. Valiev   +4 more
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Survivability of thermal barrier coatings

Materials Science and Engineering, 1987
Abstract Thermal barrier ceramic oxide coatings are gaining wide acceptance for applications in heat engines. Such ceramic thermal shields are used in conjunction with MCrAlY-type intermediate bond coatings, applied over superalloy substrates. The thermal barrier coatings must endure extreme thermal cycling and hostile chemical environments.
H. Herman, N.R. Shankar
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Thermal Barrier Coatings for Superalloys

Superalloys 1980 (Fourth International Symposium), 1980
The current status of ceramic thermal barrier coatings for protection of turbine airfoil components is reviewed. Test results for an early duplex coating system ZrO2-12% Y2O3/Ni-16% Cr-6% Al-0.6% Y, improved system ZrO2-8% Y2O3/Ni-17% Cr-5% Al-0.35% Y, and air/fuel impurity tolerant systems based on ZrO2-8% Y2O3, 2CaO-SiO2, and a MgO-NiCrAlY cermet are
R.A. Miller, S.R. Levine, P.E. Hodge
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Erosion of thermal barrier coatings

Materials at High Temperatures, 2003
AbstractThermal barrier coatings have been used within gas turbines for over 30 years to extend the life of hot section components. Thermally sprayed ceramics were the first to be introduced and are widely used to coat combustor cans, ductwork, platforms and more recently turbine aerofoils of large industrial engines.
J. R. Nicholls, R. G. Wellman, M. J. Deakin   +2 more
openaire   +1 more source

Thermal Strain-Tolerant Abradable Thermal Barrier Coatings

Journal of Engineering for Gas Turbines and Power, 1991
Thermal barrier coatings (TBCs) are applied to hot gas path surfaces to reduce metal temperatures and thermal stresses for improved turbine component durability. Improvements in engine performance are achieved when TBCs enable reductions in cooling air usage and turbine blade tip-shroud clearances.
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Ceramic thermal barrier coatings

Industrial & Engineering Chemistry Product Research and Development, 1984
Revue des recherches entreprises depuis les annees 50. Le developpement, dans les turbines a gaz, de ces revetements est du a l'amelioration des procedes d'utilisation et a l'analyse de leurs proprietes.
Curt H. Liebert, Robert A. Miller
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Thermal Barrier Coatings

There are different methods of coating are used to provide the protection from corrosion, wear, erosion along with the provision for lubrication and thermal insulation for the materials especially having applications in high temperature structural members.
Kiran Prakasha A., Vinay B. U., Shivakumar K. Malladad, Gagan Shetty   +3 more
openaire   +1 more source