Volume 14, Issue 4 (7-2014)
Modares Mechanical Engineering 2014, 14(4): 21-26 |
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Pirmohammad N, Liaght G H, Pol M H. Experimental investigation on ballistic behavior of sandwich panels made of honeycomb core. Modares Mechanical Engineering 2014; 14 (4) :21-26
URL: http://mme.modares.ac.ir/article-15-3766-en.html
URL: http://mme.modares.ac.ir/article-15-3766-en.html
Abstract: (7159 Views)
this paper, ballistic impact on sandwich panel with composite facesheet made of Glass/Epoxy and aluminum honeycomb core has been investigated experimentally. Ballistic impact test also carried out on Honeycomb and composite and the effect absorption energy by adding composite on two sides honeycomb is studied. By this model the influence of the components on the behavior of the sandwich panel under impact load was evaluated. Ballistic impact tests is carried out on the samples by flat-ended projectile with 8/5 gr mass and 10 mm diameter in difference velocities. Also, the contribution of the failure mechanisms to the energy absorption of the projectile kinetic energy was determined. The results show that honeycomb sandwich has more energy than when alone ballistic tests conducted on has absorbed and front cover compared with back cover sandwich structure has lower energy absorption. Also bigger than ballistic limit velocity absorbed the maximum amount of energy.
Article Type: Research Article |
Subject:
Impact Mechanics|Composites
Received: 2013/08/31 | Accepted: 2013/09/15 | Published: 2014/05/21
Received: 2013/08/31 | Accepted: 2013/09/15 | Published: 2014/05/21
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