期刊
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING
卷 35, 期 8, 页码 727-730出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijimpeng.2007.11.002
关键词
penetration equations; aluminum targets; rigid; ogive-nose projectiles
We present penetration equations for rigid, ogive-nose, rod projectiles that penetrate aluminum targets at normal impact. Comparisons of depth of penetration data and predictions from a previously published penetration equation derived from spherical, cavity-expansion methods show excellent agreement for striking velocities to 1800m/s. We then identify a small parameter in the penetration equation, perform a power-series expansion, and obtain approximate penetration equations. These approximate equations are very accurate for striking velocities to 1300 m/s and display clearly the dominant problem parameters. (C) 2007 Elsevier Ltd. All rights reserved.
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