Process for producing an oxide dispersed MCrAlY-based coating

Details Process for producing an oxide dispersed MCrAlY-based coating Process for producing an oxide dispersed MCrAlY-based coating

1996-04-05

1998-04-21

Gorgos, Kathryn

Coating processes

Spray coating utilizing flame or plasma heat

Metal oxide containing coating

427455, 427456, 4273722, 4273831, 4273837, 428552, 428564, 428565, B05D 108, B22F 700

Patent

active

057415560

ABSTRACT:
A thermal spray process for producing a MCrAlY-based coating wherein M is selected from the group consisting of iron, cobalt, nickel and mixtures thereof and wherein the oxygen in the fuel-oxidant mixture of the thermal spray process converts a substantial portion of the yttrium component to Y.sub.2 O.sub.3, a minor portion of the aluminum component to Al.sub.2 O.sub.3, and the Y.sub.2 O.sub.3 and Al.sub.2 O.sub.3 are present in an amount of less than 15 volume percent of the coating.

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