专利名称：Method for forming a thermal barrier
coating
发明人：DAROLIA, Ramgopal,HAZEL, Brian Thomas申请号：EP07117636.6申请日：20071001公开号：EP1908857A3公开日：20091014
专利附图：
摘要：Method including providing a nickel aluminide intermetallic overlay coating (24)on a superalloy substrate (22) and growing a controlled aluminum oxide on the overlaycoating. The overlay coating is pre-oxidized to promote the growth of predominantly
alpha phase alumina scale (28). The pre-oxidizing conditions may include heating thecoated substrate to 1121 °C for two to eight hours under vacuum. The pre-oxidizedoverlay coating may be used as an environmental coating or as a bond coat for athermally insulating ceramic barrier coating (26).
申请人：GENERAL ELECTRIC COMPANY
地址：1 River Road Schenectady, NY 12345 US
国籍：US
代理机构：Szary, Anne Catherine
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