Method of applying a metallic guide band to a thin-walled projec

Details Method of applying a metallic guide band to a thin-walled projec Method of applying a metallic guide band to a thin-walled projec

1986-11-06

1989-01-17

Eley, Timothy V.

Metal working

Bias cutting of tubular stock

29 123, 295272, 29 907, 102524, B21K 2106

Patent

active

047979852

ABSTRACT:
A method of applying a metallic guide band to the body of a projectile having particularly thin walls comprises making fine particles plastically deformable by heating thereof, and spraying said heated particles at high speed onto a surface section of the projectile body until a desired layer thickness of the guide band is attained. A projectile body having a circumferential guide band is produced by the method of the invention. The thin-walled projectile body has a boundary layer region on its exterior which may be roughened and/or deoxidized. The boundary layer region is formed by an intermediate layer which may be composed of molybdenum, nickel aluminide or nickel oxide and itself has a roughened boundary layer region on its exterior. This results in a particularly intimate physical bond with the particles of alloy of the guide band. The alloy is preferably of a CuZn85/15 type and has a porosity of up to 5 volume percent.

REFERENCES:
patent: 390242 (1943-05-01), Long
patent: 469631 (1892-02-01), Driggs
patent: 2353693 (1944-07-01), Church
patent: 2360473 (1944-10-01), Calkins
patent: 2440952 (1948-05-01), Hurley
patent: 2841687 (1958-07-01), Richter
patent: 4660263 (1987-04-01), Kosteck

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