Component with protective arrangement to prevent aluminizing or

Details Component with protective arrangement to prevent aluminizing or Component with protective arrangement to prevent aluminizing or

1994-12-23

1996-06-04

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of metal

428472, 428699, 428701, 428702, 427282, B32B 1504

Patent

active

055231659

ABSTRACT:
This invention relates to a component of an iron, cobalt or nickel-base alloy with a protective arrangement to prevent aluminizing or chromizing during gas diffusion coating, with a first layer as an interlayer and a second layer as a getter layer for reaction gases, where the first layer is a slip casting layer composed of oxide ceramic particles carried in a low-carbon vehicle free from halide, and the second layer is a metal layer or a metallic slip casting layer. The metal layer contains at least 50% by weight of the base-metal fraction of the component and exhibits all major alloy constituents of the component. The metal layer may be a sintered metal shape.

REFERENCES:
patent: 4181758 (1980-01-01), Elam
patent: 4208453 (1980-06-01), Baldi
patent: 4464430 (1984-08-01), Baldi
patent: 4467016 (1984-08-01), Baldi
Superalloys II, Sims, et al., John Wiley and Sons, Inc., 1987, p. 580.

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