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Thermal barrier

A physics-based life prediction methodology for thermal barrier coating systems

A physics-based life prediction methodology for thermal barrier coating systems

... • National Physical Laboratory, UK ABSTRACT A novel mechanistic approach is proposed to predict the life of thermal barrier coating (TBC) systems. The life prediction methodology is based on a criterion ...

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Processing thermal barrier coatings via sol-gel route: crack network control and durability

Processing thermal barrier coatings via sol-gel route: crack network control and durability

... formulation of the composite sol (previously described) remained un- changed: 1-propanol, acetylacetone, ultra-pure water, zirconium prop- oxide, yttrium nitrate hexahydrate. The criterion to de fine the optimal ...

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Thermal cycling and reactivity of a MoSi2/ZrO2 composite designed for self-healing thermal barrier coatings

Thermal cycling and reactivity of a MoSi2/ZrO2 composite designed for self-healing thermal barrier coatings

... [7] Z. Derelioglu, A.L. Carabat, G.M. Song, S. van der Zwaag, W.G. Sloof, On the use of B- alloyed MoSi 2 particles as crack healing agents in yttria stabilized zirconia thermal barrier coatings, J. Eur. ...

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Self-healing thermal barrier coating systems fabricated by spark plasma sintering

Self-healing thermal barrier coating systems fabricated by spark plasma sintering

... Introduction Thermal Barrier Coatings (TBCs) made of Yttria Partially Stabilized Zirconia (YPSZ), deposited by Electron Beam Physical Vapour Deposi- tion (EBPVD) or plasma-spraying techniques onto metallic ...

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Influence of embedded MoSi2 particles on the high temperature thermal conductivity of SPS produced yttria-stabilised zirconia model thermal barrier coatings

Influence of embedded MoSi2 particles on the high temperature thermal conductivity of SPS produced yttria-stabilised zirconia model thermal barrier coatings

... lowest thermal conductivity values among ceramic materials, and therefore is widely used as the base material in thermally protective coatings for gas turbine components in aircraft engines and power ...These ...

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Self-healing thermal barrier coating systems fabricated by spark plasma sintering

Self-healing thermal barrier coating systems fabricated by spark plasma sintering

... Introduction Thermal Barrier Coatings (TBCs) made of Yttria Partially Stabilized Zirconia (YPSZ), deposited by Electron Beam Physical Vapour Deposi- tion (EBPVD) or plasma-spraying techniques onto metallic ...

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Processing thermal barrier coatings via sol-gel route: crack network control and durability

Processing thermal barrier coatings via sol-gel route: crack network control and durability

... A B S T R A C T Thermal barrier coatings (TBC) processed by sol –gel route are deposited onto NiPtAl bond coated superalloy substrates. A crack microstructure, if well controlled, is adequate to get ...

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Characterisation of thermal barrier sensor coatings synthesised by sol–gel route

Characterisation of thermal barrier sensor coatings synthesised by sol–gel route

... E-mail address: lisa.pin@mines-albi.fr (L. Pin). on the coated surface and at the substrate interface to safely achieve efficiency increases. Conventional temperature measure- ment methods, such as pyrometry or ...

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Reinforced sol–gel thermal barrier coatings and their cyclic oxidation life

Reinforced sol–gel thermal barrier coatings and their cyclic oxidation life

... Reinforcement; Thermal barrier coating ...without thermal protection and internal cooling. Ther- mal barrier coatings (TBCs) are deposited on hollow turbine blades in order to establish a ...

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Thermal Spray Coatings Engineered from Nanostructured Ceramic Agglomerated Powders for Structural, Thermal Barrier and Biomedical Applications

Thermal Spray Coatings Engineered from Nanostructured Ceramic Agglomerated Powders for Structural, Thermal Barrier and Biomedical Applications

... https://doi.org/10.1007/s11666-006-9010-7 Access and use of this website and the material on it are subject to the Terms and Conditions set forth at Thermal Spray Coatings Engineered from Nanostructured Ceramic ...

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Optimized sol–gel thermal barrier coatings for long-term cyclic oxidation life

Optimized sol–gel thermal barrier coatings for long-term cyclic oxidation life

... promising thermal barrier coatings (TBCs) processed by the sol–gel route are deposited onto NiPtAl bond coated superalloy substrates using the dip and/or spray coating ...

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Residual Stress Analysis of Laser-Drilled Thermal Barrier Coatings Involving Various Bond Coats

Residual Stress Analysis of Laser-Drilled Thermal Barrier Coatings Involving Various Bond Coats

... The gas turbine combustion chamber of aero-engines requires a thermal barrier coating (TBC) by thermal spraying. Further heat protection is achieved by laser drilling of cooling holes. The residual ...

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Hot corrosion of lanthanum zirconate and partially stabilized zirconia thermal barrier coatings

Hot corrosion of lanthanum zirconate and partially stabilized zirconia thermal barrier coatings

... The requirement for increased insulation to protect components from hotter combustion gases will necessitate a change in the TBC system to achieve a higher temperature drop across the coat- ing. Thicker ceramic coatings ...

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Optimizing Compliance and Thermal Conductivity of Plasma Sprayed Thermal Barrier Coatings via Controlled Powders and Processing Strategies

Optimizing Compliance and Thermal Conductivity of Plasma Sprayed Thermal Barrier Coatings via Controlled Powders and Processing Strategies

... plasma-sprayed thermal barrier coatings (TBCs) are strongly dependent on the microstructural defects, which are affected by starting powder morphology and pro- cessing ...

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Reinforced sol-gel thermal barrier coatings and their cyclic oxidation life

Reinforced sol-gel thermal barrier coatings and their cyclic oxidation life

... Reinforcement; Thermal barrier coating ...without thermal protection and internal cooling. Ther- mal barrier coatings (TBCs) are deposited on hollow turbine blades in order to establish a ...

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Outstanding durability of sol-gel thermal barrier coatings reinforced by YSZ-fibers

Outstanding durability of sol-gel thermal barrier coatings reinforced by YSZ-fibers

... the thermal barrier, but also the mass gain due to ...the thermal barrier on the rear face of the substrate rather than that located on the front ...the thermal barrier is ...

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Characterisation of thermal barrier sensor coatings synthesised by sol–gel route

Characterisation of thermal barrier sensor coatings synthesised by sol–gel route

... on the coated surface and at the substrate interface to safely achieve efficiency increases. Conventional temperature measure- ment methods, such as pyrometry or thermocouples, have intrinsic disadvantages when employed ...

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Sol–gel processing and characterization of (RE-Y)-zirconia powders for thermal barrier coatings

Sol–gel processing and characterization of (RE-Y)-zirconia powders for thermal barrier coatings

... process for thermal barrier applications. For each compound, structural and microstructural analyses were performed. LZ powders moves from a pure tetragonal structure for a low doping concentra- tion, to a ...

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Optimizing Compliance and Thermal Conductivity of Plasma Sprayed Thermal Barrier Coatings via Controlled Powders and Processing Strategies

Optimizing Compliance and Thermal Conductivity of Plasma Sprayed Thermal Barrier Coatings via Controlled Powders and Processing Strategies

... plasma-sprayed thermal barrier coatings (TBCs) are strongly dependent on the microstructural defects, which are affected by starting powder morphology and pro- cessing ...

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Mechanical and thermo-physical properties of plasma-sprayed thermal barrier coatings: a literature survey

Mechanical and thermo-physical properties of plasma-sprayed thermal barrier coatings: a literature survey

... plasma-sprayed thermal barrier coatings (APS TBCs) have been studied from an extensive review of the dedicated ... Thermal barrier coatings (TBC) ...

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