If we add that for some qualities of RS-RDX, it has been That form a basis for this improvement are still under Has been brought up to now, and the critical properties RDX that could be linked to the sensitivity of PBXs basedīut despite all the work done to determine whichĬharacteristic may explain this behaviour, no clear answer Was to identify some property or properties of crystalline įrom 2003 to 2005, an international inter-laboratoryĬomparison (Round Robin) of seven lots of RDX from fiveĭifferent manufacturers was conducted and one of its goals Quality (reduced sensitivity RDX or RS-RDX, like IRDX=), when incorporated in cast cured plastic boundedĮxplosives (like PBX N 109) confer reduced shock sensitivity as measured by gap test. In the case of RDX, it has been shown that a special Is known to have a direct impact on shock sensitivity.īut up to now, no direct relationship to sensitivity can beĬonsidered as fully established, as exemplified in the case of Increased potential for hot spot formation and high sensitiveness and that is why the presence of intra-granular pores Porosity, etc.) has been extensively studied.įor example, poor crystal quality, characterized byĬrystals with high proportions of defects, results in an Or impurities (intra-granular defects such as internal porosity, internal cracks, crystal lattice dislocations, etc., extragranular defects such as surface heterogeneity, surface * Corresponding author e-mail: 2008 WILEY-VCH Verlag GmbH & Co. Proposed mechanism the influence of the different defects May be linked to the formation of hot spots and from this It is generally accepted that initiation of the detonation Shock sensitivity of explosive formulations. Keywords: Ageing, Crystals, PBX Compositions, ReducedĮxplosive particle microstructure plays a major role in the W hich retains its RS character even after ageing. Removal of HMX from Bachmann RDX may lead to RS-RDX,

RDX and its evaluation in cast PBX composition as well as ageingīehaviour are presented and discussed there are indications that Results of the characterization of such quality of Process has been prepared and evaluated in cast PBX composition Hypothesis, low HMX content RDX produced by the Bachmann (HMX) during the crystallization process. Sensitivity of RDX produced by the Bachmann process, or theĮvolution of sensitivity after ageing of RS-RDX produced fromīachmann RDX may be linked to the presence of octogen Not seem to be the case for standard RDX produced by theīachmann process (when re-crystallized under I-RDX conditions Proved to retain its low sensitivity even after ageing, which does Some techniques lead to interesting results, there is no dedicated But up to now, and despite an international interlaboratory comparison (Round Robin) of seven lots of RDX fromįive different manufacturers conducted from 2003 to 2005, even if May explain the behaviour of the corresponding cast PBXĬomposition. Has been done to try to determine which property or properties

Incorporated in cast cure and even pressable plastic bondedĮxplosives (PBX compositions), can confer reduced shock sensitivity as measured through gap test. Reduced sensitivity RDX (RS-RDX), like I-RDX= which, when In recent years much interest has been generated in a quality of Received: June 15, 2007, revised version: OctoMs 2007/015 Reduced Sensitivity RDX Obtained From Bachmann RDXĮURENCO France, Sorgues Plant 1928 route d$Avignon, BP 311, 84706 Sorgues Cedex (France)ĮURENCO Sweden, SE-69186 Karlskoga (Sweden) Propellants, Explosives, Pyrotechnics 33, No.

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