[HTML][HTML] Indentation plasticity and fracture studies of organic crystals

S Mannepalli, KSRN Mangalampalli - Crystals, 2017 - mdpi.com
This review article summarizes the recent advances in measuring and understanding the
indentation-induced plastic deformation and fracture behavior of single crystals of a wide …

Mechanism-informed constitutive modeling of molecular crystal cyclotetramethylene tetranitramine (β-HMX)

Z Zhang, M Khan, CR Picu - International Journal of Plasticity, 2023 - Elsevier
Molecular crystals are of importance in many applications including energetic materials and
pharmaceuticals. Here we focus on the energetic material cyclotetramethylene …

Properties of Erythritol Tetranitrate from Molecular Dynamics Simulation

MJ Cawkwell, VW Manner - The Journal of Physical Chemistry C, 2024 - ACS Publications
The nonpolarizable force field for alkyl nitrates developed by Borodin et al.[J. Phys. Chem. B,
2008, 112, 734–742] has been employed to calculate selected properties of crystalline and …

A generalized force-modified potential energy surface for mechanochemical simulations

G Subramanian, N Mathew, J Leiding - The Journal of chemical …, 2015 - pubs.aip.org
We describe the modifications that a spatially varying external load produces on a Born-
Oppenheimer potential energy surface (PES) by calculating static quantities of interest. The …

Identifying Possible Slip Systems of Molecular Crystals via a Geometry-Based Procedure

X He, Z Zhang, C Zhang, L Niu - Crystal Growth & Design, 2024 - ACS Publications
Crystal plasticity is achieved primarily through slip**. Here, a geometry-based procedure
is developed to facilitate the identification of slip systems in arbitrarily oriented three …

Homogeneous Dislocation Nucleation in Molecular Crystal Cyclotetramethylene‐Tetranitramine (β‐HMX)

Z Zhang, CR Picu - Propellants, Explosives, Pyrotechnics, 2022 - Wiley Online Library
The molecular crystal cyclotetramethylene‐tetranitramine (β‐HMX) is the active ingredient in
some broadly used plastic bonded explosives. Plasticity is thought to be essential for …

Peierls–Nabarro stresses of dislocations in monoclinic cyclotetramethylene tetranitramine (β-HMX)

A Pal, CR Picu - Modelling and Simulation in Materials Science …, 2018 - iopscience.iop.org
HMX (cyclotetramethylene tetranitramine) is an energetic material which releases
substantial amounts of energy upon decomposition. The role of defects and deformation in …

Dislocation mobility and critical stresses at finite temperatures in molecular crystal cyclotetramethylene tetranitramine (β-HMX)

M Khan, A Pal, CR Picu - Modelling and Simulation in Materials …, 2018 - iopscience.iop.org
Cyclotetramethylene tetranitramine (HMX) is an energetic material commonly found in
plastic bonded explosives. Its crystallographic sensitivity to initiation and detonation has …

Generalized stacking fault energies in the basal plane of triclinic molecular crystal 1, 3, 5-triamino-2, 4, 6-trinitrobenzene (TATB)

N Mathew, TD Sewell - Philosophical Magazine, 2015 - Taylor & Francis
Molecular dynamics and molecular statics simulations were used to investigate dislocation
glide in the basal plane (ie the–plane, where, and define the edge vectors of the unit cell) of …

Bending deformation driven by molecular rotation

PA Santos-Florez, S Hattori, Q Zhu - Physical Review Research, 2023 - APS
In recent years, certain molecular crystals have been reported to possess surprising
flexibility by undergoing significant elastic or plastic deformation in response to mechanical …