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The Effect of Fiber Diameter on the Compressive Strength of Composites - A 3D Finite Element Based Study

Ch,ra S. Yerramalli1, Anthony M. Waas2

Ph.D student, University of Michigan, currently, Postdoctoral Research Fellow, McKay Orthopaedic Research Labs, University of Pennsylvania.
Professor, Aerospace Engineering Department, University of Michigan, author to whom all correspondence should be addressed. (dcw@umich.edu,Tel:734-764-8227,Fax:734-763-0578)

Computer Modeling in Engineering & Sciences 2004, 6(1), 1-16. https://doi.org/10.3970/cmes.2004.006.001

Abstract

Results from a 3D finite element based study of the compression response of unidirectional fiber reinforced polymer matrix composites (FRPC) are presented in this paper. The micromechanics based study was used to simulate the compressive response of glass and carbon fiber reinforced polymer matrix composites, with a view to understanding the effect of fiber diameter on compression strength. Results from the modeling and simulation indicate the presence of a complex three dimensional stress state in the matrix of the FRPC. Results from the simulation highlight the role of fiber diameter on the compressive response of FRPC. In particular, it is shown that, depending on the fiber diameter, fiber breaking may precede the attainment of a limit load due to fiber misalignment, thus, precipitating a different mechanism for the initiation of kink bands.

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APA Style
Ch, , Yerramalli, R.S., Waas, A.M. (2004). The effect of fiber diameter on the compressive strength of composites - A 3D finite element based study. Computer Modeling in Engineering & Sciences, 6(1), 1-16. https://doi.org/10.3970/cmes.2004.006.001
Vancouver Style
Ch , Yerramalli RS, Waas AM. The effect of fiber diameter on the compressive strength of composites - A 3D finite element based study. Comput Model Eng Sci. 2004;6(1):1-16 https://doi.org/10.3970/cmes.2004.006.001
IEEE Style
Ch, R.S. Yerramalli, and A.M. Waas "The Effect of Fiber Diameter on the Compressive Strength of Composites - A 3D Finite Element Based Study," Comput. Model. Eng. Sci., vol. 6, no. 1, pp. 1-16. 2004. https://doi.org/10.3970/cmes.2004.006.001



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