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Title

Delamination of Two-Dimensional Functionally Graded Multilayered Non-Linear Elastic Beam - an Analytical Approach

Year: 1397
COI: JR_JSMA-10-4_008
Language: EnglishView: 120
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Authors

V Rizov - Department of Technical Mechanics, University of Architecture, Civil Engineering and Geodesy, Bulgaria

Abstract:

Delamination fracture of a two-dimensional functionally graded multilayered four-point bending beam that exhibits non-linear behaviour of the material is analyzed. The fracture is studied analytically in terms of the strain energy release rate. The beam under consideration has an arbitrary number of layers. Each layer has individual thickness and material properties. A delamination crack is located arbitrary between layers. The material is two-dimensional functionally graded in the cross-section of each layer. The beam mechanical behaviour is described by a power-law stress-strain relation. The fracture is analyzed also by applying the J-integral approach in order to verify the solution derived for the strain energy release rate. The effects of crack location, material gradient and non-linear behaviour of material on the delamination fracture are evaluated. It is found that the material non-linearity leads to increase of the strain energy release rate. Therefore, the material non-linearity should be taken into account in fracture mechanics based safety design of two-dimensional functionally graded multilayered structural members. It is found also that the delamination behaviour can be effectively regulated by using appropriate material gradients in the design stage of functionally graded multilayered structural members and components. 

Keywords:

Two-dimensional functionally graded material , Multilayered structure , Delamination , Material non-linearity , Analytical approach

Paper COI Code

This Paper COI Code is JR_JSMA-10-4_008. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/999277/

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If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Rizov, V,1397,Delamination of Two-Dimensional Functionally Graded Multilayered Non-Linear Elastic Beam - an Analytical Approach,https://civilica.com/doc/999277

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