A Two-Parameter Model of FRP Laminates Stiffness Reduction

Tai Feng Zhang; Xiao Hua Yang; Wen Sheng Sun; Zeng Jie Cai

doi:10.4028/www.scientific.net/AMR.236-238.1187

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 236-238A Two-Parameter Model of FRP Laminates Stiffness...

A Two-Parameter Model of FRP Laminates Stiffness Reduction

Abstract:

Matrix crack and fibre breakage are the main damage models of the fibre reinforced polymer (FRP) laminates under cyclic loading. In this paper, meso-mechanical analysis is used and a two-parameter model is developed to describe the stiffness reduction. Based on the probability distribution function of fiber strength, the evolution of fibre breakage is deduced. Then with the help of the damage evolution, the stiffness reduction of laminates can be predicted. As an example, the stiffness reduction of grass fibre reinforced polymer (GFRP) laminate is made and the simulation results show that the proposed model has good capacity to describe the stiffness reduction of FRP laminates resulted in the combination of matrix crack and fibre breakage.

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Periodical:

Advanced Materials Research (Volumes 236-238)

Pages:

1187-1194

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.236-238.1187

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Online since:

May 2011

Authors:

Tai Feng Zhang, Xiao Hua Yang, Wen Sheng Sun, Zeng Jie Cai

Keywords:

Damage, Fiber Breakage (FB), Fiber Reinforced Plastic (FRP), Matrix Crack

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