Results 111 to 120 of about 3,429 (183)

Performance of laser glazed Zr02 TBCs in cyclic oxidation and corrosion burner test rigs [PDF]

The performance of laser glazed zirconia thermal barrier coatings (TBCs) was evaluated in cyclic oxidation and cyclic corrosion tests. Plasma sprayed zirconia coatings of two thicknesses were partially melted with a CO2 laser.
Zaplatynsky, I.
core   +1 more source

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

, 2007
A novel mechanistic approach is proposed for the prediction of the life of thermal barrier coating (TBC) systems. The life prediction methodology is based on a criterion linked directly to the dominant failure mechanism.
Busso, Esteban, Evans, H. E., McCartney, L. N., Nunn, J., Osgerby, S., Saunders, S. R. J, Wright, L.   +6 more
core   +3 more sources

Uncertainty quantification of thermal barrier coatings lifetime on rotating turbine blades considering chemo-thermo-mechanically coupling failure

Materials & Design
The lifetime prediction of thermal barrier coatings (TBCs) on rotating turbine blades remains a significant challenge due to the complex service environment and multi-physics failure mechanisms.
Weiliang Yan, Cong Li, Qianqian Zhou, Yuqi Xie, Yu Sun, Li Yang, Yichun Zhou   +6 more
doaj   +1 more source

Lower-Conductivity Thermal-Barrier Coatings [PDF]

Thermal-barrier coatings (TBCs) that have both initial and post-exposure thermal conductivities lower than those of yttria-stabilized zirconia TBCs have been developed.
Miller, Robert A., Zhu, Dongming
core   +1 more source

The Effect of a High Thermal Gradient on Sintering and Stiffening in the Top Coat of a Thermal Barrier Coating (TBC) System

, 2003
Superalloy substrates coated with plasma sprayed CoNiCrAlY bond coats and yttria-stabilized zirconia top coats have been subjected to a high heat flux in a controlled atmosphere chamber.
Clyne, T.W., Golosnoy, I.O., Tsipas, S.A.   +2 more
core  

Enhanced thermal radiation blocking and high temperature stability of nanostructured YSZ thermal barrier coatings through carbon film coating

Journal of Advanced Ceramics
The semi-transparency to thermal radiation, coupled with low nanoparticle retention and formation of semi-melted particles during plasma spraying, significantly limits the high-temperature application of nanostructured yttria stabilized zirconia (YSZ ...
Liu-Chao Zhang, Fa Luo, Ying-Ying Zhou, Ya-Ru Cao, Jun-Jie Yang, Yu-Qin Li, Yu-Chang Qing   +6 more
doaj   +1 more source

Review of NASA progress in thermal barrier coatings for stationary gas turbines [PDF]

Ceramic thermal barrier coatings for industrial/utility gas turbines were investigated. In burner rig tests of a zirconia yttria/nickel chromium aluminum yttrium ZrO2-12w/0Y2O3/NiCrAlY coating system on air cooled superalloy specimens, ceramic coating ...
Gedwill, M. A., Hodge, P. E., Miller, R. A., Zaplatynsky, I.   +3 more
core   +1 more source

Analysis of infrared emissivity of EB-PVD thermal barrier coatings at the microscopic level

Case Studies in Thermal Engineering
Thermal barrier coatings (TBCs) applications of yttria-stabilized (YSZ) are widely utilized on turbine blades of aviation engines due to its low thermal conductivity and high electrical conductivity.
Ying Cui, Yuhui Liu, Shan Gao, Liwei Chen, Jing Jiang, Yi Niu, Chao Wang   +6 more
doaj   +1 more source

Furnace Testing and Validation of a Hybrid Cooling Approach for Enhanced Turbine Blade Protection with a Thermal Barrier Coating in Advanced Gas Turbines

Ceramics
Hybrid turbine blade protection systems, which combine thermal barrier coatings (TBCs) and cooling mechanisms, are essential for safeguarding turbine blades in advanced gas turbine applications.
Salmi Mohd Yunus, Abreeza Manap, Meenaloshini Satgunam, Savisha Mahalingam, Nurfanizan Mohd Afandi   +4 more
doaj   +1 more source

Evaluation of hot corrosion behavior of thermal barrier coatings [PDF]

Calcium silicate and yttria stabilized zirconia/MCrAlY thermal barrier coating systems on air-cooled specimens were exposed to sodium plus vanadium doped Mach 0.3 combustion gases.
Gedwill, M. A., Hodge, P. E., Miller, R. A.   +2 more
core   +1 more source