Recubrimientos protectores para incrementar la vida en servicio de materiales que operan en condiciones extremas
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2020
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26/11/2019
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Universidad Complutense de Madrid
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Abstract
Esta Tesis Doctoral se titula “Recubrimientos protectores para incrementar la vida en servicio de materiales que operen en condiciones extremas”. En ella se ha explorado la posibilidad de utilizar recubrimientos duros de nitruros de metales de transición para proteger componentes de acero de turbinas de vapor ultrasupercríticas. Así, se aborda la mejora de la eficiencia energética de las centrales termoeléctricas, desde el punto de vista de la Ciencia de los Materiales y de la Ingeniería Metalúrgica. Mediante el aumento de 30ºC y de hasta 7.5 MPa respecto a las centrales ultrasupercríticas más eficientes actualmente instaladas, que trabajan a 620ºC y 30 MPa, se logran obtener rendimientos superiores al 50%. De esta forma se contribuye a mitigar las emisiones de gases de efecto invernadero, responsables del calentamiento global y del cambio climático, en un 25%...
This Doctoral Thesis is entitled "Protective coatings to increase the service life of materials operating in extreme conditions". It has explored the feasibility of the employment of hard metal transition nitride coatings to protect steel components in ultrasupercritic steam turbines. Then, the improvement of the energy efficiency of thermal power plants is addressed from the point of view of Materials Science and Metallurgical Engineering. The increase in 30ºC and 7.5 MPa applied to the ultrasupercritical plants currently installed, which work at 620ºC and 30 MPa, would rise more than 50% in their efficiency. This would reduce greenhouse gas emissions, responsible for global warming and climate change, in a whole 25%...
This Doctoral Thesis is entitled "Protective coatings to increase the service life of materials operating in extreme conditions". It has explored the feasibility of the employment of hard metal transition nitride coatings to protect steel components in ultrasupercritic steam turbines. Then, the improvement of the energy efficiency of thermal power plants is addressed from the point of view of Materials Science and Metallurgical Engineering. The increase in 30ºC and 7.5 MPa applied to the ultrasupercritical plants currently installed, which work at 620ºC and 30 MPa, would rise more than 50% in their efficiency. This would reduce greenhouse gas emissions, responsible for global warming and climate change, in a whole 25%...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Ciencias Químicas, Departamento de Ingeniería Química y de Materiales, leída el 26/11/2019