Experimental analysis of the linear and nonlinear vibration behavior of flax fibre reinforced composites with an interleaved natural viscoelastic layer

被引：15

作者：

Hajer, Daoud ^{[1
,2
]}

Abderrahim, El Mahi ^{[1
]}

Jean-Luc, Rebiere ^{[1
]}

Charfeddin, Mechri ^{[1
]}

Mohamed, Taktak ^{[2
]}

Mohamed, Haddar ^{[2
]}

机构：

[1] Univ Maine LAUM, Acoust Lab, CNRS, UMR 6613, Ave O Messiaen, F-72085 Le Mans 9, France

[2] Univ Sfax, Natl Sch Engineers Sfax, Lab Mech Modeling & Prod LA2MP, BP 1173, Sfax 3038, Tunisia

来源：

COMPOSITES PART B-ENGINEERING | 2018年 / 151卷

关键词：

Flax composites; Natural rubber (NR); Non linear vibration; Sensitivity; MECHANICAL-PROPERTIES; FRACTURE-TOUGHNESS; DAMPING ANALYSIS; BEAMS; DAMAGE; DELAMINATIONS;

D O I：

10.1016/j.compositesb.2018.06.015

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, linear and nonlinear vibration analyses are carried out on flax fibre reinforced composites with and without an interleaved natural viscoelastic layer. Experimental analysis was done in a clamped-free configuration on two stacking sequences of composites, [0](8) and [0(2)/90(2)](s). The procedure consists on exciting the specimens with different amplitude levels for the first six bending modes. The dynamic properties as frequencies and damping factors were studied, and the results obtained were analyzed and compared. Then, the amplitudes of deformations were determined and discussed for the different excitation levels. The presence of the nonlinearity generated by the viscoelastic layer was clearly identified by the shift observed in the values of natural frequencies and loss factors with increasing excitation levels. The linear and nonlinear, elastic and dissipative parameters were calculated and compared.

引用

页码：201 / 214

页数：14

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