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The effects of microstructural defects on hot spot formation in cyclotrimethylenetrinitramine-polychlorotrifluoroethylene energetic aggregates
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10.1063/1.4811684
/content/aip/journal/jap/113/24/10.1063/1.4811684
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/24/10.1063/1.4811684

Figures

Image of FIG. 1.
FIG. 1.

The RDX-polymer aggregate with loading, boundary conditions, and void distribution.

Image of FIG. 2.
FIG. 2.

(a) Rotation, (b) normal stress, (c) pressure, and (d) accumulated plastic shear strain for a 750 MPa compressive loading with low misorientations. (Spatial dimensions are in units of meters.)

Image of FIG. 3.
FIG. 3.

(a) Immobile dislocation density 1, (b) immobile dislocation density 2, (c) immobile dislocation density 3 for a 750 MPa compressive loading with low misorientations. (Spatial dimensions are in units of meters.)

Image of FIG. 4.
FIG. 4.

(a) Total temperature, (b) decomposition temperature, (c) plastic work temperature for a 750 MPa compressive loading with low misorientations. (Spatial dimensions are in units of meters; temperatures are in units of Kelvin.)

Image of FIG. 5.
FIG. 5.

Temperature and normal stress as a function of time for a 750 MPa compressive loading with low GB misorientations.

Image of FIG. 6.
FIG. 6.

(a) Rotation, (b) normal stress, (c) pressure, and (d) accumulated plastic shear strain for a 1 GPa compressive loading with low angle GB misorientations. (Spatial dimensions are in units of meters.)

Image of FIG. 7.
FIG. 7.

(a) Immobile dislocation density 1, (b) immobile dislocation density 2, (c) immobile dislocation density 3 for a 1 GPa compressive loading with low GB misorientations. (Spatial dimensions are in units of meters.)

Image of FIG. 8.
FIG. 8.

(a) Total temperature, (b) decomposition temperature, (c) plastic work temperature for a 1 GPa compressive loading with low misorientations. (Spatial dimensions are in units of meters; temperatures are in units of Kelvin.)

Image of FIG. 9.
FIG. 9.

Temperature and normal stress as a function of time for a 1 GPa compressive loading with low angle GB misorientations. Hot spot initiation occurs due to an unbounded temperature caused by increases in thermal decomposition.

Image of FIG. 10.
FIG. 10.

(a) Rotation, (b) normal stress, (c) pressure, and (d) accumulated plastic shear strain for a 750 MPa compressive loading with high angle GB misorientations. (Spatial dimensions are in units of meters.)

Image of FIG. 11.
FIG. 11.

(a) Immobile dislocation density 1, (b) immobile dislocation density 2, (c) immobile dislocation density 3 for a 750 MPa compressive loading with high angle GB misorientations. (Spatial dimensions are in units of meters.)

Image of FIG. 12.
FIG. 12.

(a) Total temperature, (b) decomposition temperature, (c) plastic work temperature for a 750 MPa Compressive loading with high misorientations. (Spatial dimensions are in units of meters; temperatures are in units of Kelvin.)

Image of FIG. 13.
FIG. 13.

Temperature and normal stress as a function of time for a 750 MPa compressive loading with high misorientations.

Tables

Generic image for table
Table I.

Dislocation-density coefficients in Eqs. (5) and (6) .

Generic image for table
Table II.

Thermal decomposition coefficient values.

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/content/aip/journal/jap/113/24/10.1063/1.4811684
2013-06-25
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The effects of microstructural defects on hot spot formation in cyclotrimethylenetrinitramine-polychlorotrifluoroethylene energetic aggregates
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/24/10.1063/1.4811684
10.1063/1.4811684
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