Abstract
A high-speed photographic study has been performed of the rapid deformation of ammonium dinitramide (ADN) and glycidyl azide polymer (GAP) by drop-weight impact. ADN was found to be more sensitive than ammonium perchlorate. Both materials have been suggested as potentially useful oxidizers in explosive and propellant applications. ADN was also found to be sensitized by both hard high-melting point grits (60-mm borosilicate or Pyrext glass) and brittle polymers. High-density polyethylene was found to suppress de agration in this material. Heat-sensitive lm was used to con rm that the events seen using high-speed photography were indeed de agrations. GAP was found to be insensitive when impacted in this apparatus, even in the presence of additives or gas bubbles.
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