| 摘要 |
A fluid seal for use in the rotary regenerator portion of a gas turbine engine formed by heating a mixture of NiO and 21/2 to 10 percent, by weight, Cr2O3 or Fe3O4 stabilizing additive to an elevated temperature to cause a reaction therebetween and thereafter plasma spraying the heated mixture on a base member to form a NiO base seal adapted for rubbing contact with the regenerator.
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