Empirical models for estimating the mechanical and morphological properties of recycled low density polyethylene/snail shell bio-composites

C. U. Atuanya, V. S. Aigbodion, S. O. Obiorah, M. Kchaou, R. Elleuch

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

The empirical models for estimating the mechanical properties and morphological of recycled low density polyethylene/snail shell bio-composites was investigated. The snail shell of particle sizes 75, 125, 250 and 500 μm with a weight percentage of 0, 5, 10 and 15 (wt%) with recycled polyethylene (RLDPE) were prepared by compounding and compressive moulding technique. Samples were cut from the panel and subjected to mechanical testing such as tensile, flexural and impact energy. Scanning electron microscope was used to analyse the fracture surface of the samples. Linear regression equation and analysis of variance (ANOVA) were employed to investigate the influence of process parameters on the mechanical properties of the samples. Results obtained showed that: as the wt% snail shell particles increased from 5 to 15, there was a raise in the tensile strength by (2.69) and the flexural strength (1.53). Also the increase in the snail shell particle size from 75 to 500 μm decreased the tensile strength by −5.46, flexural strength −3.97 and impact energy by −1.97. The predicted results obtained were in good agreement with the experimental results. Hence, the work can be used for indoor and outdoor structural applications.

Original languageEnglish
Pages (from-to)45-52
Number of pages8
JournalJournal of the Association of Arab Universities for Basic and Applied Sciences
Volume21
DOIs
Publication statusPublished - 1 Oct 2016
Externally publishedYes

Keywords

  • Electron microscopy
  • Mechanical properties
  • Microstructures
  • Polymer–matrix composites (PMCs)
  • Statistical properties/methods and mechanical testing

ASJC Scopus subject areas

  • General Chemistry
  • General Mathematics
  • General Materials Science
  • General Biochemistry,Genetics and Molecular Biology
  • General Environmental Science
  • General Agricultural and Biological Sciences
  • General Energy

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