Title: Method of risisting high-temp. oxidation and heat corrosion for high-temp. alloy
Application Number: 02109842 Application Date: 2002.06.14
Publication Number: 1465745 Publication Date: 2004.01.07
Approval Pub. Date: Granted Pub. Date: 2005.06.22
International Classifi-cation: C23D3/00,C03C8/00
Applicant(s) Name: Inst. of Metal Research, CAS Address: 110015
Inventor(s) Name: Wang Fuhui, Xie Dongbai
Attorney & Agent: zhang chen
Abstract:
     The present invention relates to a method for resisting high-temp. oxidation and thermal corrosion for high temp. alloy, and is characterized by that firstly, a McRAlY coating layer whose thickness is 10-100 micrometers is made on the surface of high-temp. alloy base body, in which M is selected from Ni, Co, or NiCo; then and enamel coating layer whose thickness is 20-100 micrometers is fired on the surface of MCrAl Y coating layer, in which the composition of the enamel coating layer includes (wt%) SiO2 55-63, Al2O3 3.4-9.7, ZrO2 3-6, ZnO 8-12, B2O3 3-10, CaO 3-6, Na2O 3-4, rare earth RuO, CeO and Y2O3 1-2 and the rest is MgO, NiO and CoO.
Time: 3