Thermal Barrier Coatings For Gas Turbine Engine Applications

Thermal barrier coatings tbcs have been used for almost three decades to extend the life of combustors and augmentors and more recently stationary turbine components.

Thermal barrier coatings for gas turbine engine applications.

In the previous. Hundreds of different types of coatings are used to protect a variety of structural engineering materials from corrosion wear and erosion and to provide lubrication and thermal insulation. 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. This work aims to achieve a better understanding of the role of thermal conductivity and thermal effusivity on the durability of sps tbcs applied to.

Tbcs which comprise metal and ceramic multilayers insulate turbine and combustor engine components from the hot gas stream and improve the durability. Thermal barrier coatings tbcs are often used to protect the components subjected to high temperature applications viz. Plasma sprayed yttria stabilized zirconia tbc currently is bill of material on many commercial jet engine parts. Although successful in gas turbine applications thermal barrier coatings tbcs produced by suspension plasma spraying sps processes have not been employed so far in the automotive industry.

Gas turbine engines internal combustion parts etc. Of all these thermal barrier coatings tbcs have the most complex structure and must operate in the most demanding high.