Experimental Evaluation of the Mechanical Properties of a Natural Fiber Reinforced Sandwich Structural Panel

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  • Experimental Evaluation of the Mechanical Properties of a Natural Fiber Reinforced Sandwich Structural Panel Book Detail

  • Author : Ritu Raj Kamal
  • Release Date : 2011
  • Publisher :
  • Genre : Bamboo
  • Pages : 134
  • ISBN 13 : 9781267181558
  • File Size : 15,15 MB

Experimental Evaluation of the Mechanical Properties of a Natural Fiber Reinforced Sandwich Structural Panel by Ritu Raj Kamal PDF Summary

Book Description: Abstract: Traditionally wood based composites like oriented strand boards (OSB) and particle boards have been mainstays of structural and furniture engineering industries for varied applications. These products use wood contributing to deforestation. Deforestation has contributed to global warming and extinction of thousands of species due to destruction of natural habitat. In this research we envision to use agriculturally grown fibers to engineer composite sandwich panels which will reflect superior qualitative advantages in mechanical properties and application process and would also prove to be cheap and can easily be replenished. The sandwich construction consists of a core which is contained by a set of face sheets. The core is made from prefabricated woven sheets of bamboo fabric. The core is supposed to provide the panel with good compressive and bending properties. This core is sandwiched with [0/90/45/-45/0/90/45/-45] s burlap (jute) fabric in layers with specified orientation to increase the tensile properties of the composites. In this research dissertation, we set out with investigating various methods to bond burlap sheets with bamboo. After fabricating smaller batches and rudimentary non standard tests, we finalized on the fabrication process. After careful pre-processing of the base products, the sandwich panels were then fabricated using Vacuum Assisted Resin Transfer Method (VARTM) and the process was documented. The obtained panel was then machined to standard ASTM test specimen sizes and subjected to ASTM tests at the mechanical engineering material test laboratories at CSULB. The properties obtained were further investigated using FEM model for the sandwich composite panels. A comparative study was made between the fabricated burlap-bamboo sandwich boards with other commercially available particle, medium density fiber and oriented strand boards noting a 90% increase in tensile strength, 25% in modulus of elasticity and 36% increase in bending strength when compared to other legacy products.

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