Roy E. Carter
ABSTRACT: Energetic materials are manufactured by processes involving flow, often under conditions of elevated temperature and pressure. Such processes include extrusion, casting and pressing. If the manner in which the material flows under these conditions is not well understood, production and quality problems may result. A capillary extrusion rheometer is essentially a laboratory-scale extrusion press that is highly instrumented and accurately controlled. As such, it provides an ideal tool for studying and quantifying the properties of the materials as they flow under conditions likely to be encountered in practice. Additionally, the extruded output from the instrument may be subjected to further testing such as for mechanical and ballistic properties to relate changes in processing conditions to product properties.
Keywords: processing, extrusion, filling, analysis, rheology, rheometry, flow, viscosity
Ref: JPyro, Issue 12, 2000, pp52-56
(J12_52)
© Journal of Pyrotechnics and CarnDu Ltd
