MESOSCALE SIMULATIONS OF PARTICLE REINFORCED EPOXY-BASED COMPOSITES

被引：1
|
作者：
White, Bradley W. [1 ]
Springer, H. Keo [2 ]
Jordan, Jennifer L. [3 ]
Spowart, Jonathan E. [4 ]
Thadhani, Naresh N. [1 ]
机构：
[1] Georgia Tech, Sch Mat Sci & Engn, 771 Ferst Dr NW, Atlanta, GA 30332 USA
[2] Lawrence Livermore Natl Lab, POB 5508, Livermore, CA 94550 USA
[3] AFRL RWME, Eglin AFB, FL 32542 USA
[4] AFRL RXBC, Wright Patterson AFB, OH 45433 USA
来源：
SHOCK COMPRESSION OF CONDENSED MATTER - 2011, PTS 1 AND 2 | 2012年 / 1426卷
关键词：
Particulate Composites; Shock; Mesoscale Simulations;
D O I：
10.1063/1.3686248
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Polymer matrix composites reinforced with metal powders have complex microstructures that vary greatly from differences in particle size, morphology, loading fractions, etc. The effects of the underlying microstructure on the mechanical and wave propagation behavior of these composites during dynamic loading conditions are not well understood. To better understand these effects, epoxy (Epon826/DEA) reinforced with different particle sizes of Al and loading fractions of Al and Ni were prepared by casting. Microstructures from the composites were then used in 2D plane strain mesoscale simulations. The effect of varying velocity loading conditions on the wave velocity was then examined to determine the Us-Up and particle deformation response as a function of composite configuration.
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页数：4
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