Enzyme absorption rate of sandwich panels with aluminum foam core under the sky of drilling

Subject Areas : journal of New Materials

مسعود گلستانی پور ¹ , مینو توکلی ² , سید مجتبی زبرجد ³ , ابوالفضل باباخانی ⁴ , بهروز نادری ⁵

1 - دانشجوی دکترای مهندسی مواد، گروه مواد و متالورژی، دانشکده مهندسی، دانشگاه فردوسی مشهد و عضو گروه پژوهشی مواد جهاد دانشگاهی واحد مشهد.
2 - دانشجوی کارشناسی ارشد مهندسی مواد، گروه مواد و متالورژی، دانشکده مهندسی، دانشگاه فردوسی مشهد
3 - استاد گروه مواد و متالورژی، دانشکده مهندسی، دانشگاه فردوسی مشهد.
4 - دانشیار گروه مواد و متالورژی، دانشکده مهندسی، دانشگاه فردوسی مشهد.
5 - کارشناس ارشد مهندسی مواد، گروه مواد و متالورژی، دانشکده مهندسی، دانشگاه فردوسی مشهد

Received: 2015-12-28 Accepted : 2015-12-28 Published : 2012-12-21

Keywords: Aluminum Foam, Sandwich Panel, Drilling, Absorbed energy,

Abstract :

 

 





Sandwich panels consisting of aluminum foam core and aluminum plates are structures with high energy absorption capability. In this research, the drilling test was performed on various sandwich panel samples to check the absorbed energy. In these experiments, the effect of various parameters including the thickness of the foam and plates on the amount of energy absorbed, the separation of the back plate from the foam, the flat force and the curvature (strain) created were investigated. It was found that by increasing the thickness of the plates, the energy absorbed, the flat force, the amount of separation and the strain created on the back plate increase. With the increase in the thickness of the foam core, the amount of absorbed energy and flat force increases, but the amount of separation and strain created on the back plate decreases due to more energy absorption by the foam core.
 




 

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