A substrate is coated by applying an essentially pure aluminum first layer to a surface of the substrate. At least a first portion of the first layer is oxidized so as to provide a protective coating of desired properties. The substrate may be a refractory metal-based investment casting core.
申请公布号
EP1652601(A2)
申请公布日期
2006.05.03
申请号
EP20050255424
申请日期
2005.09.05
申请人
UNITED TECHNOLOGIES CORPORATION
发明人
PARKOS, JOSEPH J. JR.;LOMASNEY, GARY M.;PERSKY, JOSHUA E.