Characterizing the effects of ratchet growth on PBX 9502

Journal Article · Wed Dec 31 23:00:00 EST 2008

DOI:https://doi.org/10.1063/1.3295152· OSTI ID:990784

Thompson, Darla Graff ^[1]; Brown, Geoff W ^[1]; Mang, Joseph T ^[1]; De Luca, Racci ^[1]; Patterson, Brian ^[1]; Hagelberg, Stephanie ^[1]

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1. Los Alamos National Laboratory

Pressed composites of TATB (2,4,6-trinintro-1,3,5-benzenetriamine) undergo irreversible volume change when subjected to thermal cycling. Using micro x-ray computed tomography and ultra-small angle neutron scattering, we have characterized the micro-structure of as-pressed and ratchet grown specimens of PBX 9502, a TATB-based composite, thereby distinguishing the effects of ratchet growth from the effects of density alone. Porosity differences are shown to effect mechanical properties, presented here, with ongoing efforts to evaluate sensitivity and/or performance effects.

• Research Organization: Los Alamos National Laboratory (LANL)
• Sponsoring Organization: DOE
• DOE Contract Number: AC52-06NA25396
• OSTI ID: 990784
• Report Number(s): LA-UR-09-04402; LA-UR-09-4402
• Country of Publication: United States
• Language: English

Related Subjects

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COMPUTERIZED TOMOGRAPHY
MECHANICAL PROPERTIES
NEUTRONS
PERFORMANCE
POROSITY
SCATTERING
SENSITIVITY
TATB
THERMAL CYCLING