"Advancements in Steel for Weight Reduction of P900 Armor Plate" by Ryan A. Howell, J. S. Montgomery et al.
 

Advancements in Steel for Weight Reduction of P900 Armor Plate

Abstract

Ballistic tests were conducted on a high-manganese and high-aluminum austenitic steel that is age hard-enable. These lightweight steels (12-18% lower in density) were investigated as alternatives to MIL- PRF-32269 steel alloys for application in P900 perforated armor currently used for U.S. Army ground combat systems. Two steel plates with nominal composition in wt. % of Fe-30Mn-9AI-1Si-0.9C-0.5Mo were evaluated for V 50 against 0.30-cali-ber armor piercing and 0.50-caliber fragmentation simulation projectiles. At equivalent a real densities to current steels, both plates surpassed the required 0.30-caliber acceptance criteria by 188 and 151 feet/second. Against the 0.50-caliber fragmentation projectile, the calcium-treated plate exceeded the MIL-A-46100 V 50 by 225 feet/second, but the non-calcium-treated plate underperformed by 39 feet/second.

Department(s)

Materials Science and Engineering

Research Center/Lab(s)

Peaslee Steel Manufacturing Research Center

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2009 Association for Iron & Steel Technology (AIST), All rights reserved.

Publication Date

01 Jan 2009

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