Mechanical Response of Gun Propellant Beds at Low Strain Rates

A device was designed and built to measure the applied transmitted and central stresses within propellant beds of JA2, M30, and M43 gun propellants during compaction. It was observed that the stress at the center of the beds matched the average applied stress in form and magnitude in all but one ins...

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Bibliographic Details
Main Authors: Lieb, Robert J, Leadore, Michael G
Format: Report
Language:English
Subjects:
Ammunition and Explosives
ASH43
CORRELATION
GUN PROPELLANTS
GUNS
JA-2 GUN PROPELLANTS
M-30 GUN PROPELLANTS
M-43 GUN PROPELLANTS
Mechanics
PE61102A
PROFILES
PROPELLANTS
RATES
RESPONSE
STRAIN RATE
STRESSES
VALUE
VELOCITY
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Summary:A device was designed and built to measure the applied transmitted and central stresses within propellant beds of JA2, M30, and M43 gun propellants during compaction. It was observed that the stress at the center of the beds matched the average applied stress in form and magnitude in all but one instance. The velocities of mechanical disturbances were calculated and found to range from 50 to over 300 m/s. A strong correlation was demonstrated between the single grain and bed modulus values. Mechanical response, Propellants, Bed, M30, JA2, M43, Stress profile, Strain rate.