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Thermal barrier coatings (TBCs) are advanced materials systems usually applied to metallic surfaces operating at elevated temperatures, such as gas turbine or aero-engine parts, as a form of exhaust heat management. These 100 μm to 2 mm thick coatings of thermally insulating materials serve to insulate components from large and prolonged heat loads and can sustain an appreciable temperature difference between the load-bearing alloys and the coating surface. In doing so, these coatings can allow for higher operating temperatures while limiting the thermal exposure of structural components, extending part life by reducing oxidation and thermal fatigue. In conjunction with active film cooling, TBCs permit working fluid temperatures higher than the melting point of the metal airfoil in some tu

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rdfs:label
  • Wärmedämmschicht (de)
  • Recubrimiento de barrera térmica (es)
  • Barrière thermique (fr)
  • Thermal barrier coating (en)
  • Термобарьерные покрытия (ru)
  • 热障涂层 (zh)
rdfs:comment
  • Les systèmes barrières thermiques sont des revêtements en plusieurs couches déposées sur les pièces chaudes des turbomachines pour les isoler des gaz à très hautes températures. C’est la dernière technologie (cinquième depuis l’invention du turboréacteur) opérationnelle sur les moteurs, mais elle est encore étudiée et n'est pas pleinement exploitée. (fr)
  • 热障涂层(Thermal Barrier Coating,TBC)是一种高级的材料,一般用在金属制品的表面,例如燃气轮机以及发动机零件,常常在超高温环境下工作,可以被看做是的一种。热障涂层通过把合金隔离开其工作附近的超高温热源,使得系统整体的性能得到改善,这样就使得结构部件的热疲劳和抗氧化性能得到改善。 (zh)
  • Wärmedämmschichten (englisch thermal barrier coating, TBC) werden in der Industrie eingesetzt, um die Werkstofftemperatur bei Hochtemperaturanwendungen zu senken. Ein Beispiel sind neue und nachgerüstete Gasturbinen, bei denen die Beschichtung den Bedürfnissen entsprechend im Bereich von wenigen Zehntelmillimetern bis hin zu Millimetern auf den Schaufeln sowie auf anderen Bestandteilen im so genannten Heißluftpfad von Turbinen wie Hitzeschilden und Brennkammersegmenten aufgetragen wird. (de)
  • Los recubrimientos de barrera térmica (TBC por sus siglas en inglés) son sistemas de materiales avanzados que generalmente se aplican a superficies metálicas que operan a temperaturas elevadas, como turbinas de gas o partes de motores de aviones, como una forma de gestión del calor de escape. Estos revestimientos de materiales aislantes térmicos de 100 μm a 2 mm de espesor sirven para aislar componentes de cargas térmicas grandes y prolongadas y pueden soportar una diferencia de temperatura apreciable entre las aleaciones que soportan la carga y la superficie del revestimiento.​ Al hacerlo, estos recubrimientos pueden permitir temperaturas de funcionamiento más altas al tiempo que limitan la exposición térmica de los componentes estructurales, extendiendo la vida útil de las piezas al redu (es)
  • Thermal barrier coatings (TBCs) are advanced materials systems usually applied to metallic surfaces operating at elevated temperatures, such as gas turbine or aero-engine parts, as a form of exhaust heat management. These 100 μm to 2 mm thick coatings of thermally insulating materials serve to insulate components from large and prolonged heat loads and can sustain an appreciable temperature difference between the load-bearing alloys and the coating surface. In doing so, these coatings can allow for higher operating temperatures while limiting the thermal exposure of structural components, extending part life by reducing oxidation and thermal fatigue. In conjunction with active film cooling, TBCs permit working fluid temperatures higher than the melting point of the metal airfoil in some tu (en)
  • Термобарьерные покрытия (TBC, ТБП) — вид покрытий, применяемый для изолирования компонентов, в частности, частей газотурбинных двигателей, работающих при повышенной температуре. Типичные примеры применения покрытий — лопатки турбины, камеры сгорания, системы трубопроводов и сопловой направляющий аппарат. ТБП сделали возможным увеличение рабочей температуры газовых турбин, а следовательно и повышение их КПД. (ru)
foaf:depiction
  • http://commons.wikimedia.org/wiki/Special:FilePath/Coloured_ceramic_thermal_barrier_coating_on_exhaust_component.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Columns_on_curved_surface.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Repair_process_for_a_V2500_high-pressure_turbine_guide_vane_(8).jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/TBC_Example.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Thermal_barrier_coating_applied_onto_carbon_composite.jpg
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