WEAR RESISTANT GUN BARREL AND METHOD OF FORMING

A gun barrel is produced by vacuum plasma spray depositing an inner layer (28) of a refractory metal as a gun barrel liner on a mandrel (26), followed by deposit of an intermediate layer (30) to provide a transition in properties from the liner to an outer layer of jacket material. Un canon d'a...

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Bibliographische Detailangaben
Hauptverfasser:	SIEMERS, PAUL, ALFRED, JACKSON, MELVIN, ROBERT, LIU, YING, HSIN, KOPP, ROBERT, WILLIAM, DUKE, STEVEN, ROY, PERRIN, DAVID, PORTER
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS ANDORDNANCE, e.g. CANNONS HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MECHANICAL ENGINEERING METALLURGY MOUNTINGS FOR SMALLARMS OR ORDNANCE SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION WEAPONS
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Beschreibung
Zusammenfassung:	A gun barrel is produced by vacuum plasma spray depositing an inner layer (28) of a refractory metal as a gun barrel liner on a mandrel (26), followed by deposit of an intermediate layer (30) to provide a transition in properties from the liner to an outer layer of jacket material. Un canon d'arme à feu est produit en déposant par pulvérisation à l'état de plasma sous vide une couche interne (28) d'un métal réfractaire servant de revêtement interne d'un canon d'arme à feu sur un mandrin (26), et en déposant ensuite une couche intermédiaire (30) pour obtenir une transition dans les propriétés du revêtement interne à une couche externe du métal de la chemise.