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Ballistics, 2nd Edition
book

Ballistics, 2nd Edition

by Donald E. Carlucci, Sidney S. Jacobson
August 2013
Intermediate to advanced content levelIntermediate to advanced
608 pages
21h 36m
English
CRC Press
Content preview from Ballistics, 2nd Edition
384 Ballistics: Theory and Design of Guns and Ammunition
A
E
Y
I
n
=+
2
3
1
2
3
(15.67)
B =
3
2
(15.68)
where
I
x
x
dx
n
Y
E
=
()
(ln)
1
0
1
3
2
(15.69)
In these expressions, E is Young’s modulus and n is the strain hardening exponent
(assumes power-law strain hardening). For an assumed incompressible 7075-T651 alumi-
num, Forrestal et al. [3] provide I = 3.896 and A = 4.609.
Empirically, curve-tting the stress–strain curves (thus including compressibility) for
7075-T651 yielded slightly different results with A = 4.418 and B = 1.068.
To approximate the normal stress on the ogive, we can replace the spherically symmetric
velocity, V in Equation 15.66 with ...
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Publisher Resources

ISBN: 9781466564374