Thermoelastic properties of microcracked composite laminates

1993 ◽  
Vol 29 (2) ◽  
pp. 107-114
Author(s):  
P. Gudmumdson ◽  
W. Zang
Keyword(s):  
Composite Laminates ◽  
Thermoelastic Properties

A Micromechanics Model for Thermoelastic Properties of Plain Weave Fabric Composites

1994 ◽  
Vol 116 (4) ◽  
pp. 517-523 ◽  
Author(s):  
H. T. Hahn ◽  
R. Pandey
Keyword(s):  
Representative Volume Element ◽  
Composite Laminates ◽  
Volume Element ◽  
Thermoelastic Properties ◽  
Micromechanics Model ◽  
Plain Weave ◽  
Representative Volume ◽  
Thermal Expansion Coefficients ◽  
Weave Fabric ◽  
Effective Thermal Expansion

A micromechanics model is presented to predict thermoelastic properties of composites reinforced with plain weave fabrics. A representative volume element is chosen for analysis and the fiber architecture is described by a few simple functions. Equations are developed to calculate various phase fractions from geometric parameters that can be measured on a cross section. Effective elastic moduli and effective thermal expansion coefficients are determined under the assumption of uniform strain inside the representative volume element. The resulting model is similar to the classical laminated theory, and hence is easier to use than other models available in the literature. An experimental correlation is provided for a number of Nicalon SiC/CVI SiC and Graphite/CVI SiC composite laminates.

Three-dimensional thermoelastic properties of general composite laminates

2017 ◽  
Vol 52 (13) ◽  
pp. 1799-1808 ◽  
Author(s):  
Orzuri Rique ◽  
Johnathan E Goodsell ◽  
Wenbin Yu ◽  
R Byron Pipes
Keyword(s):  
Exact Solution ◽  
Composite Laminates ◽  
Composite Laminate ◽  
Three Dimensional ◽  
Thermoelastic Properties ◽  
Rule Of Mixtures ◽  
Anisotropic Solid ◽  
Complete Set ◽  
Anisotropic Layers

This paper presents a hybrid rule of mixtures for calculating the complete set of effective three-dimensional thermoelastic properties of a composite laminate when it is approximated as an equivalent, homogeneous, anisotropic solid. The laminate can be made of generally anisotropic layers with arbitrary layup sequence. This hybrid rule of mixtures is based on the exact solution obtained using the recently discovered mechanics of structure genome. Since mechanics of structure genome minimizes the loss of accuracy for homogenization, the three-dimensional thermoelastic properties obtained using the mechanics of structure genome-based hybrid rule of mixtures will be the most accurate one could obtain for composite laminates. The results of the hybrid rule of mixtures are compared with several other representative methods for predicting thermoelastic properties of composite laminates.

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