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Keywords: Thermal barrier coatings
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Proceedings Papers

Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T18A002, June 7–11, 2021
Paper No: GT2021-01719
.... The virtues of using Ni-base superalloys in hot- Keywords: MCrAlY, aluminides, thermal barrier coatings, single section components has been well recognized and practiced as a crystal alloys, hot corrosion, corrosion and oxidation testing, means of substantial increase in turbine-inlet temperature, creep...
Proceedings Papers

Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A074, September 21–25, 2020
Paper No: GT2020-16241
...Abstract Abstract A conjugate heat transfer study is carried out to obtain temperature and thermal stress field of a film-cooled superalloy with multi-layer thermal barrier coatings (TBCs). The aim is to understand the effects of the blowing ratio and ceramic top coating (TC) thickness...
Proceedings Papers

Proc. ASME. GT2012, Volume 7: Structures and Dynamics, Parts A and B, 1307-1314, June 11–15, 2012
Paper No: GT2012-69343
... Thermal barrier coatings (TBCs) could reduce the temperature of the turbine blades and allow them working at higher temperatures, which leads to higher durability and reliability of turbine blades, and improves engine performance and fuel efficiency. Recent researches shown that thermal barrier...
Proceedings Papers

Proc. ASME. GT2010, Volume 4: Heat Transfer, Parts A and B, 627-633, June 14–18, 2010
Paper No: GT2010-23660
... 11 01 2011 Thermal barrier coatings (TBCs) are used to protect hot gas path (HGP) components such as the first two stages of turbine blades and vanes of land-based turbine engines against high temperature environment, corrosion and oxidation. The continuing thrust towards higher...
Proceedings Papers

Proc. ASME. GT2010, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Education; Electric Power; Manufacturing Materials and Metallurgy, 435-444, June 14–18, 2010
Paper No: GT2010-22433
... 11 01 2011 Traditionally, thermal barrier coatings (TBCs) are used in gas turbine engines to create an insulation layer between the metallic components and the gases in the hot section. Atmospheric plasma spray (APS) is a common method used to produce TBCs. The goal of this study...
Proceedings Papers

Proc. ASME. GT2009, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Controls, Diagnostics and Instrumentation; Education; Electric Power; Awards and Honors, 265-272, June 8–12, 2009
Paper No: GT2009-59496
... 23 02 2010 Thermal barrier coatings (TBCs) are used in gas turbine engines to achieve a higher working temperature, and thus lead to a better efficiency. Yttria-stabilized-zirconia (YSZ), a material with low thermal conductivity, is commonly used as the top coat layer to provide...
Proceedings Papers

Proc. ASME. GT2009, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Controls, Diagnostics and Instrumentation; Education; Electric Power; Awards and Honors, 289-298, June 8–12, 2009
Paper No: GT2009-59826
... 23 02 2010 Yttria-Stabilized-Zirconia (YSZ) is the most common material used in the fabrication of Thermal Barrier Coatings (TBCs) for gas turbine applications. Due to the low thermal conductivity and a small mismatch of the thermal expansion coefficient to the high temperature alloy...
Proceedings Papers

Proc. ASME. GT2009, Volume 4: Cycle Innovations; Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine, 893-902, June 8–12, 2009
Paper No: GT2009-60063
... 23 02 2010 Under the umbrella of an Italian R&D programme, furnace-cyclic tests of thermal barrier coating (TBC) specimens were carried out to study the coating/substrate interactions and to determine a quantitative description of the degradation as induced by diffusion...
Proceedings Papers

Proc. ASME. GT2005, Volume 2: Turbo Expo 2005, 905-911, June 6–9, 2005
Paper No: GT2005-68942
... 03 11 2008 The Solution Precursor Plasma Spray (SPPS) process involves the injection of atomized droplets of precursor into the plasma plume, instead of powder that is used in conventional plasma spray. The resultant thermal barrier coating (TBC) microstructure consists of (1) through...
Proceedings Papers

Proc. ASME. GT2005, Volume 1: Turbo Expo 2005, 259-266, June 6–9, 2005
Paper No: GT2005-68252
... 03 11 2008 Thermal barrier coatings (TBCs) are a critical component in low-emission gas turbines. A reliable method is required to monitor the condition of the TBC and predict coating failure. The condition of the interface between the metallic bond coat and TBC has been shown...
Proceedings Papers

Proc. ASME. GT2006, Volume 2: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Controls, Diagnostics and Instrumentation; Environmental and Regulatory Affairs, 647-654, May 8–11, 2006
Paper No: GT2006-90551
... 11 09 2008 Thermally Grown Oxide (TGO) layer develops and grows subjected to very high compressive residual stresses at the interface between metallic bond coat and EB-PVD thermal barrier coating. A significant decrease of such stress level is a useful indicator of incipient local...