This invention provides a metallic article with a metallic substrate having a thermal barrier ceramic coating on its surface, the ceramic coating comprising a plurality of first layers of about 6 to 8 wt % yttria stabilized zirconia alternating with a plurality of second layers of about 18 to 22 wt %...http://www.google.fr/patents/US6764779?utm_source=gb-gplus-shareBrevet US6764779 - Thermal barrier coating having low thermal conductivity
Thermal barrier coating having low thermal conductivity
