Upper Bounds to In-Plane Shear Strength of Unidirectional Fiber-Reinforced Composites

1973 ◽  
Vol 40 (3) ◽  
pp. 824-825 ◽  
Author(s):  
S. Majumdar ◽  
P. V. McLaughlin
Keyword(s):  
Shear Strength ◽  
Upper Bounds ◽  
Fiber Reinforced Composites ◽  
Reinforced Composites ◽  
Fiber Reinforced ◽  
Plane Shear ◽  
Unidirectional Fiber

Micromechanical Analysis of Nonlinear Viscoelastic Unidirectional Fiber-Reinforced Composites

2011 ◽  
Vol 110-116 ◽  
pp. 1166-1170 ◽  
Author(s):  
Hasan Behzadpoor ◽  
Saeed Masoumi ◽  
Manouchehr Salehi
Keyword(s):  
Three Dimensional ◽  
Fiber Reinforced Composites ◽  
Elastic Fibers ◽  
Reinforced Composites ◽  
Fiber Reinforced ◽  
Creep Tests ◽  
Unidirectional Fiber ◽  
Viscoelastic Matrix ◽  
Nonlinear Viscoelastic ◽  
Micromechanical Approach

The micromechanical approach of Simplified Unit Cell Method (SUCM) in closed-form three dimensional solutions is used for predicting creep response of unidirectional fiber reinforced composites. The composite consist of elastic fibers reinforcing nonlinear viscoelastic resin. The nonlinear viscoelastic matrix behavior is modeled by using Schapery single integral viscoelastic constitutive equation. Off-axis specimens of graphite/epoxy with 45 and 90 fiber orientations were subjected to 480 minutes creep tests and the results is compared with experimental data and MOC results available in the literature. There is good agreement with experimental results due to using SUCM.

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