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Title: Simulation study of the elastic mechanical properties of HMX

Conference ·
OSTI ID:976276

Results of calculations of the elastic mechanical response of crystalline HMX polymorphs are summarized. The work is based on atomistic molecular dynamics and Monte Carlo simulations. Principal achievements are: (1) prediction of room temperature and pressure elastic tensors for {beta}-, {alpha}- and {delta}-HMX; (2) calculation of room temperature isotherms for each polymorph; (3) extraction of initial bulk modulus and pressure derivative from the isotherm; and (4) 'discovery' of a pressure induced phase transition in {alpha}-HMX (preliminary result). Details of the work, and implications, will be discussed.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE
OSTI ID:
976276
Report Number(s):
LA-UR-02-5015; TRN: US201018%%1098
Resource Relation:
Conference: Submitted to: 12th Detonation Symposium, August 11-16, 2002, San Diego, CA
Country of Publication:
United States
Language:
English

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