Shaped charges and their manufacture

Details Shaped charges and their manufacture Shaped charges and their manufacture

1990-10-11

1994-07-26

Nelson, Peter A.

Ammunition and explosives

Blasting

Detonation wave modifying

102310, 102476, F42B 102

Patent

active

053318951

ABSTRACT:
A shaped charge liner formed of a solid metallic material having a fine grain size of the order of 25 microns or less. The material can be, for example, copper, uranium, tantalum or an alloy showing superplasticity and having a density greater than about 5 gm/cm.sup.3. The liner can be made by subjecting the material to repeated cycles of cold working, annealing at just above the recrystallization temperature, and quenching.

REFERENCES:
patent: 3136249 (1964-06-01), Poulter
patent: 3255659 (1977-06-01), Venghiattis
patent: 3375108 (1968-03-01), Wyman, Sr. et al.
patent: 4441428 (1984-04-01), Wilson
patent: 4551287 (1985-11-01), Bethmann
patent: 4598643 (1986-07-01), Skrocki
patent: 4613370 (1986-09-01), Held et al.
patent: 4867061 (1989-09-01), Stadler et al.
patent: 4875414 (1989-10-01), Stadler et al.
patent: 4896332 (1990-01-01), Wisotzki
Sintering Processes, edited by G. C. Kucznski, Material Science Research, vol. 13, published by Plenum Press, 1979.
Page 403 of "An Introduction to Metallurgy" by Alan Cottrell, published by Edward Arnold.
Page 219 of "Direct Observation of Densification and Grain Growth in a W-Ni Alloy" by H. Riegger et al.
Page 189 of "The Elementary Mechanism of Liquid Phase Sintering".

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