Inventors:
Gary Scott Whittaker - Kingsport TN
Assignee:
Eastman Chemical Company - Kingsport TN
International Classification:
C23C 404, C23C 1406, B05B 128, F23D 1138
Abstract:
A method for protecting a synthesis gas generator burner heat shield includes coating the burner heat shield with an overlay alloy coating composition of the formula MCrAlY wherein M is selected from the group consisting of iron, nickel, and cobalt. In a preferred embodiment, the coating includes from about 20-40 weight % Co, 5-35 weight % Cr, 5-10 weight % Ta, 0. 8-10 weight % Al, 0. 5-0. 8 Y, 1-5 weight % Si and 5-15 weight % Al. sub. 2 O. sub. 3.