Accession Number : AD0474166


Title :   INITIATION OF REACTION IN EXPLOSIVES BY SHOCKS


Corporate Author : NAVAL ORDNANCE LAB WHITE OAK MD


Personal Author(s) : Liddiard, T P , Jr ; Jacobs, S J


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/474166.pdf


Report Date : 04 Oct 1965


Pagination or Media Count : 61


Abstract : Several solid high explosives are subjected to shocks of moderate amplitude, 10-50 kb. In general, these shocks are strong enough to cause chemical reaction, but not full detonation. Examples (photographic sequences) are shown of the acceptor response of several explosives at various entering shock pressures (stresses). The stress in the acceptor which just produces detectable reaction is determined from a plot of the break-out time of gaseous products of reaction from the acceptor as a function of the entering stress. The stress at which detonation is just produced in the acceptors is also determined. Threshold values for burning and for detonation also are obtained from graphs of the velocity of the acceptor undergoing chemical reaction as a function of the entering stress. The thresholds for burning and for detonation are compared with the 50% firing stresses obtained with the standardized gap test.


Descriptors :   *EXPLOSIVES , *DETONATIONS , STRESSES , VELOCITY , SHOCK(MECHANICS) , TEST METHODS , TEST EQUIPMENT , SENSITIVITY , COMBUSTION , CHEMICAL REACTIONS , PRESSURE , RDX , TNT , PLASTIC BONDED EXPLOSIVES , HIGH SPEED PHOTOGRAPHY , TETRYL , PETN , PENTOLITE


Subject Categories : Ammunition and Explosives


Distribution Statement : APPROVED FOR PUBLIC RELEASE