Ignition of a solid explosive by dry friction

Amosov, A. P.; Bostandzhiyan, S. A.; Volodin, V. P.; Gryadunov, A. N.; Muratov, S. M.

doi:10.1007/bf00789726

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2009

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Friction-induced ignition modeling of energetic materials

2009

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The heat released during the external frictional motion is a factor responsible for initiating energetic materials under all types of mechanical stimuli including impact, drop, or penetration. We model the friction-induced ignition of cyclotrimethylenetrinitramine (RDX), cyclotetramethylene-tetranitramine (HMX), and ammonium-perchlorate/ hydroxylterminated-polybutadiene (AP/HTPB) propellant using the BAM friction apparatus and one-dimensional time to explosion (ODTX) apparatus whose results are used to validate the friction ignition mechanism and the deflagration kinetics of energetic materials, respectively. A procedure to obtain the time-to-ignition for each energetic sample due to friction is outlined.

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