Zink-diffundierte Legierungsbeschichtung als Korrosions-/Wärmeschutz

申请公布号：: DE60321435(D1)
申请号：: DE2003621435
申请日期：: 2003.09.23
申请公布日期：: 2008.07.17
申请人：: UNITED TECHNOLOGIES CORP.
发明人：: HODGENS, HENRY M.;HANLON, THOMAS R.;BHATIA, PROMILA
分类号：: C25D5/12;C25D5/50;C22C19/00;C23C10/02;C23C10/60;C23C22/36;C23C26/00;C23C28/00;C23C30/00;C25D3/22;C25D3/56;C25D5/10
主分类号：: C25D5/12
摘要：: The present invention relates to a zinc-diffused nickel alloy coating for corrosion and heat protection and to a method for forming such a coating. The coating method broadly comprises the steps of forming a plain nickel or nickel alloy coating layer (14) on a substrate (12), applying a layer of zinc (18) over the nickel or nickel alloy coating layer, and thermally diffusing the zinc into the nickel alloy coating layer. The coating method may further comprise immersing the coated substrate in a phosphated trivalent chromium conversion solution either before or after the diffusing step. The substrate may be a component used in a gas turbine engine, which component is formed from a steel material.