Fundamental frequency of hybrid composite plate embedded with shape memory alloy wire

Tan, W.C. and Jamian, Saifulnizan and Ghazali, Mohd Imran and Mohamed, N.A.N. (2007) Fundamental frequency of hybrid composite plate embedded with shape memory alloy wire. In: Proceeding of Computational and Experimental Mechanics (CEM 2007), 27-28 November 2007, Putrajaya, Malaysia.

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Abstract

Fundamental frequency had been identified as one of the most critical parameter in vibration study which may lead to structure failure during resonance. One of the most interesting behaviors of Shape Memory Alloy (SMA) is that the fundamental frequency of the structure shifted when different temperature levels applied onto it. The fundamental frequency of hybrid composite plate embedded with the SMA wire was studied using impact hammer testing on different boundary conditions. The structure was applied with DC to the SMA wire. The results showed that the fundamental frequency and damping ratio for the hybrid composite plate were shifted and it depend on the heat level applied to the Flexinol wire and the boundary conditions of the plate. The highest value of the fundamental frequency that shifted was about 44.4% with boundary condition CF- C-F with 0.5 A DC applied and the damping at fundamental frequency, 6.23 unit changes detected for the C-F-F-F boundary condition but with 1.25 A DC applied.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:fundamental frequency; shape memory alloy; impact hammer testing
Subjects:T Technology > TJ Mechanical engineering and machinery > TJ1125-1345 Machine shops and machine shop practice
Divisions:Faculty of Mechanical and Manufacturing Engineering > Department of Engineering Mechanics
ID Code:4272
Deposited By:Normajihan Abd. Rahman
Deposited On:01 Oct 2013 10:43
Last Modified:21 Jan 2015 15:40

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