System to protect against erosion a body subjected to an airflow

Details System to protect against erosion a body subjected to an airflow System to protect against erosion a body subjected to an airflow

1993-01-26

1994-04-26

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Having wear liner, sheathing or insert

416229R, 416241R, 416241B, B64C 2746

Patent

active

053061209

ABSTRACT:
A system for protecting against erosion the surface of a body which is subjected to an airflow and consists essentially of a fibrous material or a fiber-reinforced plastic material, such as a rotor blade, has a metallic coating which, in the respective area to be protected, covers the surface in several layers. The primary layer of the coating consists of aluminum or a similar material with a modulus of elasticity that is approximately identical to that of the material on the surface of the body. The primary layer, in the form of a sheet glued to the surface, is coated with a two-phase material, in which particles of metallic oxide and/or metallic carbide and/or metallic nitride compounds are embedded in a finely distributed manner in a ductile, solid-solution-hardened matrix of a metallic but non-ferrous material.

REFERENCES:
patent: 3144349 (1964-08-01), Swingler et al.
patent: 3758233 (1973-09-01), Cross et al.
patent: 3951612 (1976-04-01), Gates et al.
patent: 4745033 (1988-05-01), Timmons
patent: 4802828 (1989-02-01), Rutz et al.
Abstract of Japanese Publication No. JP-A-62 133 060, vol. 011, No. 361 25, Nov. 1987.
Abstract of Japanese Publication No. JP-A-22 94 484, vol. 015, No. 068 18, Feb. 1991.

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