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Behavior of Sandwich Beams With Functionally Graded Rubber Core in Three Point Bending

Doddamani, MR and Kulkarni, SM and Kishore, * (2011) Behavior of Sandwich Beams With Functionally Graded Rubber Core in Three Point Bending. In: Polymer Composites, 32 (10). pp. 1541-1551.

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/pc.2117...


The three-point bending behavior of sandwich beams made up of jute epoxy skins and piecewise linear functionally graded (FG) rubber core reinforced with fly ash filler is investigated. This work studies the influence of the parameters such as weight fraction of fly ash, core to thickness ratio, and orientation of jute on specific bending modulus and strength. The load displacement response of the sandwich is traced to evaluate the specific modulus and strength. FG core samples are prepared by using conventional casting technique and sandwich by hand layup. Presence of gradation is quantified experimentally. Results of bending test indicate that specific modulus and strength are primarily governed by filler content and core to sandwich thickness ratio. FG sandwiches with different gradation configurations (uniform, linear, and piecewise linear) are modeled using finite element analysis (ANSYS 5.4) to evaluate specific strength which is subsequently compared with the experimental results and the best gradation configuration is presented. POLYM. COMPOS., 32:1541-1551, 2011. (C) 2011 Society of Plastics Engineers

Item Type: Journal Article
Publication: Polymer Composites
Publisher: Society for Plastic Engineers
Additional Information: Copyright of this article belongs to Society for Plastic Engineers.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 04 Nov 2011 08:42
Last Modified: 04 Nov 2011 08:42
URI: http://eprints.iisc.ac.in/id/eprint/41636

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