A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Architectures for high temperature TBCs with ultra low thermal conductivity and abradability and method of making
A method for fabricating thermal barrier coatings. The thermal barrier coatings are produced with a fine grain size by reverse co-precipitation of fine powders. The powders are then sprayed by a solution plasma spray that partially melts the fine powders while producing a fine grain size with dense vertical cracking. The coatings comprise at least one of 45%-65% Yb2O3 the balance zirconia (zirconium oxide), Yb/Y/Hf/Ta the balance zirconia (zirconium oxide) and 2.3-7.8% La, 1.4-5.1% Y and the balance zirconia (zirconium oxide) and are characterized by a thermal conductivity that is about 25-50% lower than that of thermal barrier coatings comprising YSZ. The thermal barrier coatings also are characterized by at least one of excellent erosion resistance, fracture toughness and abrasion resistance.
Architectures for high temperature TBCs with ultra low thermal conductivity and abradability and method of making
A method for fabricating thermal barrier coatings. The thermal barrier coatings are produced with a fine grain size by reverse co-precipitation of fine powders. The powders are then sprayed by a solution plasma spray that partially melts the fine powders while producing a fine grain size with dense vertical cracking. The coatings comprise at least one of 45%-65% Yb2O3 the balance zirconia (zirconium oxide), Yb/Y/Hf/Ta the balance zirconia (zirconium oxide) and 2.3-7.8% La, 1.4-5.1% Y and the balance zirconia (zirconium oxide) and are characterized by a thermal conductivity that is about 25-50% lower than that of thermal barrier coatings comprising YSZ. The thermal barrier coatings also are characterized by at least one of excellent erosion resistance, fracture toughness and abrasion resistance.
Architectures for high temperature TBCs with ultra low thermal conductivity and abradability and method of making
PARAKALA PADMAJA (author) / PABLA SURINDER SINGH (author) / MARGOLIES JOSHUA LEE (author) / RUUD JAMES ANTHONY (author) / ANAND KRISHNAMURTHY (author) / SCHAEFFER JON CONRAD (author)
2017-11-14
Patent
Electronic Resource
English
Method of making high temperature TBCs with ultra low thermal conductivity and abradability
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