LIFE PREDICTION OF REINFORCED GLASS-EPOXY AND GRAPHITE-EPOXY POLYMERS SUBJECTED TO VARIOUS LOADING CONDITIONS

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AHMADI I.; KHANMOHAMMADI M.

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Paper Information

Journal: JOURNAL OF SOLID AND FLUID MECHANICS Year:2016 | Volume:6 | Issue:1 Page(s): 153-165

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Title

LIFE PREDICTION OF REINFORCED GLASS-EPOXY AND GRAPHITE-EPOXY POLYMERS SUBJECTED TO VARIOUS LOADING CONDITIONS

Author(s)

AHMADI I. | KHANMOHAMMADI M. | Issue Writer Certificate

Keywords

REINFORCED POLYMERSQ1

LIFE PREDICTIONQ1

STRENGTH DEGRADATION THEORYQ1

SUDDEN DEATH THEORYQ1

FIRST ORDER SHEAR DEFORMATION THEORYQ2

Abstract

Investigation of the fatigue behavior of reinforced polymer composites is necessary to design a reliable and durable structure. Due to the difference between the fatigue properties of REINFORCED POLYMERS and traditional isotropic engineering materials, introducing a criteria for prediction of the fatigue life of REINFORCED POLYMERS is very useful in design and analysis. This work is aimed at the LIFE PREDICTION of reinforced plates subjected to bending fatigue loads. The glass-epoxy and graphite-epoxy plates, which are subjected to the distributed and concentrated transverse loads, are studied based upon the strength degradation model. Distribution of the stresses at the plies of the plate subjected to transverse load is acquired using the first-order shear deformation plate theory. Then the strength degradation model is used to predict the strength reduction of each plie of the plates in the loading cycles. The degradation of plies and reduction of the strength in each loading stage are accumulated, and the residual strength of the plies is obtained as a function of the load cycles. This procedure is repeated until the plies fail, and the final catastrophic failure occurs in the plate.

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APA: Copy

AHMADI, I., & KHANMOHAMMADI, M.. (2016). LIFE PREDICTION OF REINFORCED GLASS-EPOXY AND GRAPHITE-EPOXY POLYMERS SUBJECTED TO VARIOUS LOADING CONDITIONS. JOURNAL OF SOLID AND FLUID MECHANICS, 6(1), 153-165. SID. https://sid.ir/paper/212786/en

Vancouver: Copy

AHMADI I., KHANMOHAMMADI M.. LIFE PREDICTION OF REINFORCED GLASS-EPOXY AND GRAPHITE-EPOXY POLYMERS SUBJECTED TO VARIOUS LOADING CONDITIONS. JOURNAL OF SOLID AND FLUID MECHANICS[Internet]. 2016;6(1):153-165. Available from: https://sid.ir/paper/212786/en

IEEE: Copy

I. AHMADI, and M. KHANMOHAMMADI, “LIFE PREDICTION OF REINFORCED GLASS-EPOXY AND GRAPHITE-EPOXY POLYMERS SUBJECTED TO VARIOUS LOADING CONDITIONS,” JOURNAL OF SOLID AND FLUID MECHANICS, vol. 6, no. 1, pp. 153–165, 2016, [Online]. Available: https://sid.ir/paper/212786/en

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