Mechanical Response of Future Combat Systems (FCS) High-Energy Gun Propellants at High-Strain Rate

Five lots of Future Combat Systems high-energy gun propellants were tested in uniaxial compression at high-strain rate. A production lot of JA2 that is currently used in the M865 round was also tested for comparison purposes. The materials were tested for comparison purposes. The materials were test...

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Bibliographic Details
Main Author: Leadore, Michael G
Format: Report
Language:English
Subjects:
Ammunition and Explosives
DEFORMATION
FAILURE(MECHANICS)
FRACTURE(MECHANICS)
GUN PROPELLANTS
HIGH ENERGY PROPELLANTS
MECHANICAL PROPERTIES
Mechanics
STRAIN RATE
STRESS STRAIN RELATIONS
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Summary:Five lots of Future Combat Systems high-energy gun propellants were tested in uniaxial compression at high-strain rate. A production lot of JA2 that is currently used in the M865 round was also tested for comparison purposes. The materials were tested for comparison purposes. The materials were tested while conditioned at temperatures of 21 deg, 63 deg, and -32 deg C. The materials were taken to 60% strain using a deformation rate of 1.3 m/s. The stress at failure, strain at failure, compressive modulus, failure modulus, incremental energy density, and the fracture assessment values were recorded for each test. Original contains color plates: All DTIC reproductions will be in black and white.