Volume 13, Issue 11 (1-2014)
Modares Mechanical Engineering 2014, 13(11): 150-153 |
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Dynamic response of laminated hybrid composite beams reinforced with high weight fraction of nano particles. Modares Mechanical Engineering 2014; 13 (11) :150-153
URL: http://mme.modares.ac.ir/article-15-180-en.html
URL: http://mme.modares.ac.ir/article-15-180-en.html
Abstract: (5194 Views)
In the present work the dynamic response of laminated composite beam reinforced with nano-particles has been investigated. Most of the existing works on the effects of nano-particles on stiffness of the composite structures are limited to very low weight fraction, around 3% to 5%. This work studies the effect of higher percent of Nano particles (up to 10%) on the dynamic behavior of the composite structures via experimental tests. Adding Nano clay up to 3% of weight fraction increases the natural frequency, beyond that up to 5 % the natural frequency slightly decreases and at 10% a sharp reduction in natural frequency is observed. Another feature of importance is the increasing damping coefficient of laminated beam when the amount of nano-particles reaches to 10%.
Article Type: Research Article |
Subject:
Vibration|Composites
Received: 2013/03/18 | Accepted: 2013/07/6 | Published: 2013/12/21
Received: 2013/03/18 | Accepted: 2013/07/6 | Published: 2013/12/21
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