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Metal Armatures for Railguns

G. Ferrentino, W.J. Kolkert

Open publisher page 2 citations

Abstract

Abstract : Proper design of a metal armature for a railgun projectile is vital to obtain optimal performance and to reduce rail wear. Previous armature designs did not include the contribution of friction to the heat of the rail-armature interface. A simplified model of the electromechanical heating of the armature was developed and used to redesign an armature for the EMACK railgun at the Armament Research and Development Center. A new integrated armature-sabot package was constructed and test-fired.

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What this paper is about

Abstract : Proper design of a metal armature for a railgun projectile is vital to obtain optimal performance and to reduce rail wear. Previous armature designs did not include the contribution of friction to the heat of the rail-armature interface. A simplified model of the electromechanical heating of the armature was developed and used to redesign an armature for the EMACK railgun at the Armament Research and Development Center. A new integrated armature-sabot package was constructed and test-fired.

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Available abstract

Abstract : Proper design of a metal armature for a railgun projectile is vital to obtain optimal performance and to reduce rail wear. Previous armature designs did not include the contribution of friction to the heat of the rail-armature interface. A simplified model of the electromechanical heating of the armature was developed and used to redesign an armature for the EMACK railgun at the Armament Research and Development Center. A new integrated armature-sabot package was constructed and test-fired.

Key concepts: Armature (electrical engineering), Railgun, Projectile, Mechanical engineering, Materials science, Automotive engineering, Engineering, Metallurgy

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