Author(s)

S. Bless, S. Satapathy & H. Simha

Abstract

Response of alumina ceramic to impact and penetration S. Bless, S. Satapathy, H. Simha Institute for Advanced Technology, The University of Texas at Austin, TX, USA 1.0 Introduction The common conceptual framework for describing penetration of long projec- tiles is based on the work of Tate [1,2]. Penetration is considered as steady state; the penetrator of density Pp and velocity V penetrates the target of density p, with a velocity U. Along the center streamline one uses the approximation (i) which equates the stresses in the target (RHS) and projectile (LHS) at their inter- face. Here Y is the strength of the penetrator and R< is the target resistance. In this paper we examine the validity of eqn. (1) and we present analytic models for evaluating penetration parameters. The parameter R^ is normally interpreted as the target resistance to a static penetration. As such, it is velocity independent. Analytic

Keywords