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Title: Micromechanical Modeling for Tensile Properties of Wood Plastic Composites: Use of Pruned Waste from Pecan Orchards as Sustainable Material for Reinforcement of Thermoplastic Composite

Source: Polymers journal

Author(s)Díaz-Mendoza, Juan Miguel; Valles-Rosales, Delia J.; Park, Young H.; Sabo, Ronald C.

Publication Year: 2022  View PDF »

Category: Journal Articles

Abstract: Wood plastic composites (WPCs) specimens containing high-density polyethylene (HDPE) and wood pruning waste were manufactured and evaluated for their mechanical properties. Pecan waste was used as an accessible and sustainable source in this study, and the effects of its particle size and concentration on WPC strengths were evaluated. Pecan waste was milled and sieved to various particle sizes, and testing samples were fabricated by mixing them in a twin-screw extruder and injection molding. A coupling agent was used to create a stable bond between the HDPE and wood. Both tensile modulus and strength were increased with an increasing pecan flour concentration up to about 60 weigh percent. A micromechanical model is proposed for predicting the mechanical properties of the wood flour/fiber reinforce composite. This model uses a correction factor of an elliptical of carried sizes and shapes. The preliminary results of the model have a high correlation with the experimental values of the composite in all mesh sizes.

Keywords: tensile strength; sustainable; wood plastic composites; pecan waste; particle size; micromechanical modeling

Publication Review Process: Formally Refereed

File size: 3,072 kb(s)

Date posted: 02/14/2022

This publication is also viewable on Treesearch:  view
RITS Product ID: 10424
Current FPL Scientist associated with this product
Sabo, Ronald C.
Research Materials Engineer
  

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