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Failure mode characterization in maize hull filled polyethylene composites by acoustic emission

Authors
Journal
Polymer Testing
0142-9418
Publisher
Elsevier
Publication Date
Volume
25
Issue
3
Identifiers
DOI: 10.1016/j.polymertesting.2005.12.004
Keywords
  • Maize Hull
  • Failure Mode
  • Composite
  • Agricultural By-Product
  • Acoustic Emission
Disciplines
  • Musicology
  • Physics

Abstract

Abstract Failure processes due to tensile loading of polyethylene (PE) composites associated with maize hull as the filling material in different contents (10, 20, 30 wt%) was examined with the help of acoustic emission (AE) methods. Three separable failure modes can de determined based on the changing amplitudes of acoustic signals emitted during the tensile tests of injection molded specimens. The exact limit values of these modes were determined with one piece of maize hull embedded in PE. The presence of failure modes in composites was proven with scanning electron microscopy (SEM) images.

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