Ravivarman, S and Venkatesh, G S and Karmarkar, A and Shivkumar, N D and Abhilash, R M (2018) Optimization of Wood Plastic Composite Decks. In: 1st International Conference on Design, Materials and Manufacture (ICDEM), JAN 29-31, 2018, Surathkal, INDIA.
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Wood Plastic Composite (WPC) is a new class of natural fibre based composite material that contains plastic matrix reinforced with wood fibres or wood flour. In the present work, Wood Plastic Composite was prepared with 70-wt% of wood flour reinforced in polypropylene matrix. Mechanical characterization of the composite was done by carrying out laboratory tests such as tensile test and flexural test as per the American Society for Testing and Materials (ASTM) standards. Computer Aided Design (CAD) model of the laboratory test specimen (tensile test) was created and explicit finite element analysis was carried out on the finite element model in non-linear Explicit FE code LS - DYNA. The piecewise linear plasticity (MAT 24) material model was identified as a suitable model in LS-DYNA material library, describing the material behavior of the developed composite. The composite structures for decking application in construction industry were then optimized for cross sectional area and distance between two successive supports (span length) by carrying out various numerical experiments in LS-DYNA. The optimized WPC deck (Elliptical channel-2 E10) has 45% reduced weight than the baseline model (solid cross-section) considered in this study with the load carrying capacity meeting acceptance criterion (allowable deflection & stress) for outdoor decking application.
| Item Type: | Conference Proceedings |
|---|---|
| Series.: | AIP Conference Proceedings |
| Publisher: | AMER INST PHYSICS, 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA |
| Additional Information: | Copy right of this article belong to AMER INST PHYSICS, 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA |
| Department/Centre: | Division of Mechanical Sciences > Centre for Product Design & Manufacturing |
| Date Deposited: | 20 Jun 2018 14:38 |
| Last Modified: | 20 Jun 2018 14:38 |
| URI: | http://eprints.iisc.ac.in/id/eprint/60063 |
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