scholarly journals Effective elastic properties of a periodic fiber reinforced composite with parallelogram-like arrangement of fibers and imperfect contact between matrix and fibers

2013 ◽  
Vol 50 (13) ◽  
pp. 2022-2032 ◽  
Author(s):  
R. Guinovart-Díaz ◽  
R. Rodríguez-Ramos ◽  
J. Bravo-Castillero ◽  
J.C. López-Realpozo ◽  
F.J. Sabina ◽  
...  
Keyword(s):  
Elastic Properties ◽  
Fiber Reinforced ◽  
Imperfect Contact ◽  
Effective Elastic Properties ◽  
Fiber Reinforced Composite ◽  
Reinforced Composite ◽  
Periodic Fiber

Effect of Carbon Nanotube Waviness on the Elastic Properties of the Fuzzy Fiber Reinforced Composites

2013 ◽  
Vol 80 (2) ◽  
Author(s):  
S. I. Kundalwal ◽  
M. C. Ray
Keyword(s):  
Elastic Properties ◽  
Carbon Fibers ◽  
Polymer Matrix ◽  
Effective Properties ◽  
Analytical Models ◽  
Fiber Reinforced ◽  
Effective Elastic Properties ◽  
Mechanics Of Materials ◽  
Reinforced Composite ◽  
Walled Carbon Nanotubes

A fuzzy fiber reinforced composite (FFRC) reinforced with wavy zig-zag single-walled carbon nanotubes (CNTs) and carbon fibers is analyzed in this study. The distinct constructional feature of this composite is that the wavy CNTs are radially grown on the surface of carbon fibers. To study the effect of the waviness of CNTs on the elastic properties of the FFRC, analytical models based on the mechanics of materials (MOM) approach is derived. Effective elastic properties of the FFRC incorporating the wavy CNTs estimated by the MOM approach have been compared with those predicted by the Mori–Tanaka (MT) method. The values of the effective elastic properties of this composite are estimated in the presence of an interphase between the CNT and the polymer matrix which models the nonbonded van dar Waals interaction between the CNT and the polymer matrix. The effect of waviness of CNTs on the effective properties of the FFRC is investigated when the wavy CNTs are coplanar with two mutually orthogonal planes. The results demonstrate that the axial effective elastic properties of the FFRC containing wavy CNTs can be improved over those of the FFRC with straight CNTs.

Elastic properties of fiber reinforced composite materials.

AIAA Journal ◽  
1966 ◽  
Vol 4 (9) ◽  
pp. 1537-1542 ◽  
Author(s):  
J. M. WHITNEY ◽  
M. B. RILEY
Keyword(s):  
Composite Materials ◽  
Elastic Properties ◽  
Fiber Reinforced ◽  
Fiber Reinforced Composite ◽  
Reinforced Composite

Design and Effective Properties of a Functionally Graded Unidirectional Fiber-Reinforced Composite

2015 ◽  
Author(s):  
Satyajit Panda
Keyword(s):  
Elastic Properties ◽  
Volume Fraction ◽  
Effective Properties ◽  
Coupled Analysis ◽  
Sigmoid Function ◽  
Thickness Direction ◽  
Fiber Reinforced ◽  
Fiber Reinforced Composite ◽  
Representative Volume ◽  
Reinforced Composite

The present work deals with the design of a fiber-reinforced composite lamina with varying fiber-volume fraction (FVF) along its thickness direction. In the available elastic analyses of this kind of composite, the elastic properties are evaluated based on the assumptions like continuous variation of FVF and existence of decoupled representative volume element (RVE) at every point along the thickness direction. In order to predict the graded material properties without any of these assumptions at present, first a micro-structure of similar graded composite is designed for the variation of FVF according to a sigmoid function of thickness coordinate. Next, a continuum micro-mechanics finite element model of the corresponding representative volume (RV) is derived. The RV is basically composed of several micro-volumes of different FVFs and the classical homogenization treatment is implemented over these micro-volumes without decoupling them from the overall volume of RV. The importance of this coupled analysis is verified through a parallel decoupled analysis. The effect of the total number of micro-volumes within a specified thickness of lamina on its graded elastic properties is presented. The characteristics of graded elastic properties according to the sigmoid function are also discussed.

Elastic properties of an orthotropic binary fiber-reinforced composite with auxetic and conventional constituents

2012 ◽  
Vol 48 ◽  
pp. 1-25 ◽  
Author(s):  
Gerardo G. Nava-Gómez ◽  
Héctor Camacho-Montes ◽  
Federico J. Sabina ◽  
Reinaldo Rodríguez-Ramos ◽  
Luis Fuentes ◽  
...  
Keyword(s):  
Elastic Properties ◽  
Fiber Reinforced ◽  
Fiber Reinforced Composite ◽  
Reinforced Composite
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