Dongming Zhu, Dennis S. Fox
Advanced thermal and environmental barrier coatings (TEBCs) are being developed for low-emission SiC/SiC ceramic matrix composite (CMC) combustor and vane applications to extend the CMC liner and vane temperature capability to 1650 °C (3000 °F) in oxidizing and water-vapor-containing combustion environments. The objective of this research was to evaluate new advanced TEBC systems that possess better high-temperature stability, lower thermal conductivity, and improved resistance to sintering and thermal stress compared to existing coating systems under conditions of high-heat-flux and severe thermal cycling. The methodology involved evaluating the thermal conductivity and water vapor stability of hafnia-, pyrochlore-, and magnetoplumbite-based TEBC materials, while also discussing the effects of various dopants on these materials' properties. The results demonstrated a selection of TEBC materials that have the potential for successful implementation and feasibility for 1650 °C coatings with long-term thermal cycling durability, thus contributing to advancements in high-performance thermal management solutions in aerospace applications.
@article{379e5f07-b935-4080-824e-9140461cbb16,
title={Advanced Oxide Material Systems for 1650 °C Thermal/Environmental Barrier Coating Applications},
author={Dongming Zhu and Dennis S. Fox},
year={2004},
language={en}
}TY - JOUR TI - Advanced Oxide Material Systems for 1650 °C Thermal/Environmental Barrier Coating Applications AU - Dongming Zhu AU - Dennis S. Fox PY - 2004 LA - en ER -
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