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Limits to the velocity of solid armatures in railguns

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2 Author(s)
Long, G.C. ; Dept. of Electr. Eng., US Mil. Acad., West Point, NY, USA ; Weldon, W.

Velocity limits of a solid armature in a railgun are the result of temperature and internal forces which surpass the yield strength of the material. A two-dimensional finite-element model for the magnetic and temperature fields in a railgun is presented for several rail and armatures designs. Copper rails and a molybdenum armature are identified as candidates for future solid armature testing. All simulations are performed for a 1/2-inch-square-bore railgun

Published in:

Magnetics, IEEE Transactions on  (Volume:25 ,  Issue: 1 )

Date of Publication:

Jan 1989

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