We are using Jute fiber in a bio-composite laminate. What are the different theories available to get lamina and laminate analysis? How can we get the elastic and strength properties as we have for carbon/epoxy, glass/epoxy etc?
To predict properties, you can use a homogenization technique. A micromechanics code is available for free on website of University of Twente for this purpose. For laminate analysis, classical laminate theory may work well.
The Lamina and laminate analysis for synthetic fiber polymer composite can as well be applied to natural fiber reinforcement. The centrality in the analysis include the materials properties of the fibers (natural or synthetic) and that of the matrix (synthetic or bio) such as strength, density, modulus etc .
Again analysis for unidirectional fiber is different from that of chopped random mat. So just define your parameters correctly and select the correct model that suits it .
Contact a text book; titled Mechanics of Composite Materials by Authar K kaw
Good Luck
There are various theories available in literatures starting from Classical lamination thery (CLT), First-order shear deformation theory (FSDT) and Higher order shear deformation theory. Among all of this HSDT is well established and people use worldwide along with nonlinear analysis.
THe elastic and strength properties can be obtained by simple tensile testing.
Good Luck
Dear Appaso Gadade Sir:
For all Laminate analysis we required to have Nine Lamina Properties ( Three Elastic Modulus, three Poissions ratio, three Shear Modulus).
How we experimentally get these lamina properties?
Dear Sir
Experimentally you will get elastic modulus along fiber and transverse to fiber direction (E1 and E2) by testing UD lamina or laminate. Then by transformation rule and basic fundamentals in theory of elasticity you can establish relation between Elastic modulus and shear modulus. Similarly you will get Poissions ratio. I dont remeber exact references now.
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