Multi-layer composite gun barrel
AssigneeGeneral Electric Company
InventorsStephen J. Bullis, David P. Perrin, Peter C. Wolff
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Abstract
A multi-layer composite gun barrel has an integral metal alloy jacket portion, forming the exterior cylinder of the entire barrel, with a forebarrel interior liner cylinder substantially bonded within the jacket portion, and an unbonded breech portion liner, made from a high melting temperature refractory metal alloy able to resist erosion by hot gun gases in the barrel breech area.
Claims10
A gun barrel comprising a full-length jacket portion of a first alloy, having a multi-layer forebarrel portion wherein the jacket portion is substantially metallurgically bonded to a relatively thick liner portion formed of a second alloy, coextruded within the jacket portion to have a highly-concentric tubular interface, and with an interface diameter D.sub.i relatively greater than the diameter of the barrel bore.
Dependencies are inferred from the claim text.