Investigation of Dynamic Properties of Hybrid Laminate Structure

Lasov, Vaclava; Vacik, Josef; Kottner, Radek

doi:10.1016/j.proeng.2012.09.526

Cited by 5 publications

(4 citation statements)

References 3 publications

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“…aluminum honeycomb core) are built. Sandwich cores can also be used to improve damping [161,214]. Stiffness comparable to that of steel structures can be achieved by CFRP depending on the used fiber, combined with a mass reduction by up to 80%.…”

Section: Fiber Reinforced and Composite Materialsmentioning

confidence: 99%

Materials in machine tool structures

et al. 2015

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Section: Fiber Reinforced and Composite Materialsmentioning

confidence: 99%

Materials in machine tool structures

et al. 2015

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“…An improvement of the damping properties of carbon-fibre reinforced plastics using an integration of the layers made of a cork/rubber composite or rubber, when subjected to small strain deformations, was proved. [1][2][3] In these works, cantilever flat bars and square tubes were experimentally analysed. Similar cantilever beams were applied in the structure of a machine tool.…”

Section: Introductionmentioning

confidence: 99%

“…The influence of the hybrid composite lay-up on the stiffness and damping of the cantilever beams was numerically investigated. 1,2 The Rayleigh damping was considered in the numerical simulations.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the mechanical properties of a cork/rubber composite

Kottner¹,

Kocáb²,

Krystek³

2016

Mater. Tehnol.

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This work was focused on the investigation of the mechanical properties of the ACM87 composite when subjected to a large strain. Simple tension, simple shear, simple compression, and volumetric compression tests were performed using a universal testing machine. Various strain rates were used. The material data necessary for the identification of the parameters of a finite-strain viscoelastic constitutive model, such as the Bergstrom-Boyce model, were obtained. Keywords: cork, rubber, particle composite, Bergstrom-Boyce model, viscoelastic, large strain Delo je usmerjeno v preiskavo mehanskih lastnosti kompozita ACM87, ki je bil izpostavljen veliki obremenitvi. Na univerzalnem preizku{evalnem stroju so bili izvr{eni natezni, stri`ni, tla~ni in volumetri~ni tla~ni preizkusi. Uporabljene so bile razli~ne hitrosti obremenjevanja. Dobljeni so bili podatki o materialu, ki so potrebni za postavitev parametrov konstitutivnega viskoelasti~nega modela kon~ne obremenitve, kot je Bergstrom-Boycev model. Klju~ne besede: pluta, guma, kompozitni delec, Bergstrom-Boycev model, viskoelasti~nost, velika obremenitev

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“…He and Zhu 8 investigated the effect of fillet radius on natural frequencies and mode shapes for L and box cross-sectional shapes. Recently, Lasov et al 9 experimentally reported the optimal cork layer sequence on wound square carbon tube for both static and dynamic mechanical properties by impact hammer test. Ramkumar et al 10 predicted the damping values of composite box beam in ANSYS by the use of 3D beam and thin plate finite elements to study the influence of length/height ratio, width/height ratio, and ply angle effect on vibration.…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation on vibration characteristics of woven carbon fabric-reinforced composite beams of various cross-sectional shapes

Senthamaraikannan

Ramesh

2014

Proceedings of the Institution of Mechanical Engineers, Part L:

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Vibration characteristics of carbon/epoxy composite beams await increased attention in structural industries such as aerospace, automotive, machine tools, marine industries. The objective of the present work is to investigate and analyze the shape effects of carbon/epoxy composite beams on vibration behavior. Specimens were fabricated using woven carbon fabric for basic shapes: I, box, and channel sections by hand layup method. The fabricated beams were subjected to impulse frequency response test under cantilever and fixed-end boundary conditions for free vibration test up to 3.5 kHz. Vibration response was measured using piezoelectric transducer and was recorded using computer-controlled data acquisition system for analyzing its behavior. The vibration characteristic of beams with various shapes shows modified performance under different boundary conditions. The experimental mode shapes and modal frequencies of beams are discussed and compared for successive resonance sets. At a lower frequency range of 3.5 kHz, the experimental modal responses of beam that were compared with modal results of finite element method analysis using software ANSYS V12Õ exhibited acceptable deviation in error maximum of up to 8.2%. Further, all deformed mode shapes of various shaped beams tested at increased frequency level of 12 kHz using finite element software were also observed and discussed.

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Investigation of Dynamic Properties of Hybrid Laminate Structure

Cited by 5 publications

References 3 publications

Materials in machine tool structures

Materials in machine tool structures

Investigation of the mechanical properties of a cork/rubber composite

Experimental investigation on vibration characteristics of woven carbon fabric-reinforced composite beams of various cross-sectional shapes

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