Effects of electron beam irradiation on mechanical properties and nanostructural-morphology of montmorillonite added polyvinyl alcohol composite

Soo Tueen Bee, C. T. Ratnam, Lee Tin Sin, Tiam Ting Tee, David Hui, Abdul Amir H. Kadhum, A. R. Rahmat, Joshin Lau

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

This paper is aiming to analyze the effects of electron beam irradiation on the mechanical properties and structural-morphology of nano-sized montmorillonite (MMT) added polyvinyl alcohol (PVOH) composite. MMT particles were added to the PVOH matrix at various loading level that ranges from 0.5 to 4.5 phr MMT and electron beam irradiated with dosages ranging from 6 to 36 kGy. The results showed that tensile strength of MMT added PVOH composites at 1.5 and 2.5 phr MMT were observed marginally higher compare to neat PVOH when irradiation dosages increased to 26 kGy. However, when the concentration of MMT exceeded 2.5 phr, the application of irradiation seems to cause adverse effect to the PVOH-MMT composite. Besides, according to the X-ray diffraction analysis, the application of low irradiation dosage (≤16 kGy) has significantly enhanced the intercalation effect of MMT particles at high loading (4.5 phr) in PVOH matrix. This also found to be consistent with the scanning electron microscopy observation where the dispersion of MMT particles in PVOH matrix was noted to be more homogeneous than non-irradiated samples. Further increment in irradiation dosage up to 36 kGy has significantly reduced the crystallinity which indicates the higher radiation energy could rupture the crystallite structures in PVOH matrix.

Original languageEnglish
Pages (from-to)141-153
Number of pages13
JournalComposites Part B: Engineering
Volume63
DOIs
Publication statusPublished - 2014

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Bentonite
Polyvinyl Alcohol
Polyvinyl alcohols
Clay minerals
Electron beams
Irradiation
Mechanical properties
Composite materials
Intercalation
X ray diffraction analysis
Tensile strength
Radiation
Scanning electron microscopy

Keywords

  • A. Polymer-matrix composites (PMC)
  • B. Physical properties
  • D. Mechanical testing
  • Montmorillonite

ASJC Scopus subject areas

  • Ceramics and Composites
  • Mechanics of Materials
  • Industrial and Manufacturing Engineering
  • Mechanical Engineering

Cite this

Effects of electron beam irradiation on mechanical properties and nanostructural-morphology of montmorillonite added polyvinyl alcohol composite. / Bee, Soo Tueen; Ratnam, C. T.; Sin, Lee Tin; Tee, Tiam Ting; Hui, David; Kadhum, Abdul Amir H.; Rahmat, A. R.; Lau, Joshin.

In: Composites Part B: Engineering, Vol. 63, 2014, p. 141-153.

Research output: Contribution to journalArticle

Bee, Soo Tueen ; Ratnam, C. T. ; Sin, Lee Tin ; Tee, Tiam Ting ; Hui, David ; Kadhum, Abdul Amir H. ; Rahmat, A. R. ; Lau, Joshin. / Effects of electron beam irradiation on mechanical properties and nanostructural-morphology of montmorillonite added polyvinyl alcohol composite. In: Composites Part B: Engineering. 2014 ; Vol. 63. pp. 141-153.
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