Spall Strength And Flow Stress - The Dependence Of Strain-rate And
Temperature
Author(s)
H. Xiaomian & S. Chengqin
Abstract
Spa11 strength and flow stress-the dependence of
strain-rate and temperature
H. Xiaomian & S. Chengqin
Institute of Applied Physics and Computational Mathematics, China.
Abstract
The present paper aims at studying the spall strength of the metal material. The
spall strength can be obtained by applying the Equation of material state in the
theory of Grady, by which it is dependent on the rate and temperature. The
present paper has made a simulation of the free-surface velocity history with a
flyer, Al, to impact the target, Fe. The result of the above simulation shows that
the spall strength has proved to be more suitable than constant P,. for the
situation when micro-mechanisms are not so rigorous.
1 Introduction
Dynamic fracture and fragmentation of a solid target may result from the
application of a strong impulsive load. As is known, the mechanism of a system
may get cracked under the impulsive or stress-wave load. However, it remains
largely unknown how the interactive response of such a s
Keywords
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Other papers in this volume
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