Fatigue Fracture Model for Weak Fiber/Matrix Interface Composite within Three Point Bending Test

Abstract:

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The model of fiber/matrix interface degradation due to abrasive wear of fiber/matrix contact surfaces is presented. This model explains weak interface composites low cycle fatigue effect and cycle to cycle creep rate increase. The authors consider the results of experiments series carried out at the Institute of Solid State Physics located at Chernogolovka town. During this experiments series some weak interface nickel-oxide composite samples were subjected to a cyclic load in the course of a three point bending test and the samples central point set displacement rate was registered. Then there was created a fiber-matrix interface cyclic degradation model. The authors compared their theoretical assumptions to experimental data (for reference kindly see the below calculations) and evaluated low cycle fatigue influence on composite fracture.

Info:

Periodical:

Edited by:

Pavel Šandera

Pages:

161-164

DOI:

10.4028/www.scientific.net/KEM.465.161

Citation:

K. A. Khvostunkov and A. G. Shpenev, "Fatigue Fracture Model for Weak Fiber/Matrix Interface Composite within Three Point Bending Test", Key Engineering Materials, Vol. 465, pp. 161-164, 2011

Online since:

January 2011

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$35.00

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