EFFECT OF THE DEPTH OF FACE ON THE BALLISTIC LIMIT OF PLURAMELT LIGHT ARMOR
NAVAL PROVING GROUND DAHLGREN VA DAHLGREN United States
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For the past three years, the Allegheny Ludlum Steel Corporation has been producing face hardened light armor by their Pluramelt process. This process consists of building up a metallic layer on a base metal by an electric arc. The Allegheny Ludlum Steel Corporation rolls ingots of low carbon-nickel-molybdenumsteal into slabs approximately 811 th1ck. A 2 layer of high carbon steel of sirnil8r alloy content is melted onto the slab and the composite slab is then rolleddown into the required plate gauge. The process is flexible in that it er1its e variat1on ii the composition of either the face or the back of the plate and also permits a wide variation in the ratio of face to back by varying th.13 t .1ickness of the slab on which he 2 layer of high carbon steel is deposited.