Thermal Barrier Coating Applications

For example aero engine and gas turbine parts that need to operate at elevated temperatures require tbcs.

Thermal barrier coating applications.

Coatings used traditionally in gas turbine applications creating a tbc with high strain tolerance and low thermal conductivity appropriate to diesel engines conditions. In addition to their chemical properties these ceramic thermal barrier coatings are capable of forming the microstructure and porosity necessary to achieve optimum performance. Of all these thermal barrier coatings tbcs have the most complex structure and must operate in the most demanding high temperature environment of aircraft and industrial gas turbine engines. Thermal barrier ceramic coatings are becoming more common in automotive applications.

They are specifically designed to reduce heat loss from engine exhaust system components including exhaust manifolds turbocharger casings exhaust headers downpipes and tailpipes. Thermal barrier coatings tbcs have been in use in aeroturbine engine hot sections for over 20 years. The quest for increased operating temperatures of gas turbine engines in order to achieve higher engine efficiency has driven the development of thermal barrier coatings tbcs for protections of superalloy components in the hot section of gas turbine engines a tbc system consists of a thermally insulating ceramic top coat an intermediate metallic bond coat and the. Sps can produce porous coatings comparable with the aps coatings and columnar coatings similar to the electron beam physical vapor deposition eb pvd.

Of all these thermal barrier coatings tbcs have the most complex structure and must operate in the most d thermal barrier coatings for gas turbine engine applications science. Thermal barrier coatings thermal barrier coatings or tbcs play a critical role in the insulation process of a wide spectrum of components in various industries. 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. The initial applications were driven by the need to suppress component degradation caused by.

Authors nitin p padture. Saint gobain zirpro offers a comprehensive range of zirconium oxide powders to meet the needs of the coating process. By yajuan she yiwen guo zanxian tan and kai liao school of mechanical and electrical engineering hunan applied technology university changde 415000 china author to whom correspondence should be addressed.