Stress relieved metal/ceramic abradable seals and deformable metal substrate therefor
AssigneeUnion Carbide Corporation
InventorRaymond V. Sara
Life of this patent
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Abstract
Metal/ceramic abradable seals of the type used in jet aircraft are improved by using a substrate which is able to deform during cooling from the brazing temperature and then rendering the substrate rigid after the cool down.
Claims3
A deformable metal substrate plate adapted for bonding to a multi-layer metal/ceramic abradable composite which comprises a metal plate curved in one plane to a predetermined radius such that the thermal stresses of bonding said metal/ceramic composite to said substrate plate will cause said substrate plate to assume a desired radius after said bonding, said substrate plate having at least two integral axial ribs.
Dependencies are inferred from the claim text.