Preparation and thermal stability on non-vacuum high temperature solar selective absorbing coatings

Review of physical vapor deposited ( PVD ) spectrally selective coatings for mid - and high - temperature solar thermal applications

Platinum-Based High Temperature Selective Absorber Coatings

In photothermal energy conversion the absorbed solar flux is converted to heat which is then used directly or is converted to mechanical or electrical energy. Efficient receiver design requires that thermal losses from the absorber surface, which is the hottest element of the system, be minimised. Receivers are, in fact, generally classified according to their operating temperature ( I , 2). Th...

Thermal and Mechanical Behaviors of High Temperature Coatings

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Thermal Stability of Phosphate Coatings on Steel

P. Pokorny, M. Novak, L. Mastny Institute of Chemical Technology, Prague, Czech Republic P. Szelag Pragochema Prague, Department of Research of Surface Treatment of Metals, Prague, Czech Republic V. Brozek Institute of Plasma Physics ASCR Prague, Czech Republic The work was validated thermal stability of zinc, manganese and tri-cations phosphate coatings on steel, made from commercial phosphati...

Mechanisms governing the high temperature erosion of thermal barrier coatings

The impact of thermal barrier coatings by hard projectiles at high temperature has been analyzed. Three different domains have been explored: each differentiated by particle size, velocity, temperature and TBC composition. Domain I applies when the projectile creates deeply penetrating plastic/densification zones. In this case, short time elastic effects are relatively unimportant. The response...