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Related Experiment Videos

Quantification of corrosion phenomena in plastic processing machines.

B Kemmler1, P Hoffmann, M Cremer

  • 1Darmstadt University of Technology, Institute of Materials and Geosciences, Department of Chemical Analytics, Germany.

Fresenius' Journal of Analytical Chemistry
|January 5, 2002
PubMed
Summary

Grazing-incidence X-ray diffraction effectively measures metallic material corrosion in polymer composites. Oxide formation, the primary corrosion product, increases proportionally with time after processing.

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Area of Science:

  • Materials Science
  • Corrosion Science
  • Polymer Composites

Background:

  • Metallic material corrosion is a significant concern in various industrial applications.
  • Understanding corrosion mechanisms in polymer-based composite systems is crucial for material longevity.
  • Existing methods for assessing corrosion can be destructive or lack detailed chemical information.

Purpose of the Study:

  • To investigate the corrosion behavior of metallic materials within model polymer systems.
  • To evaluate and compare various analytical techniques for corrosion assessment.
  • To identify a reliable, nondestructive method for quantifying corrosive attack.

Main Methods:

  • Processing of polyethylene, polyphenylene sulfide, and glass-fibre-reinforced polyphenylene sulfide.

Related Experiment Videos

  • Utilized scanning electron microscopy, electron-probe microanalysis, secondary-ion mass spectrometry, X-ray photoelectron spectroscopy, and grazing-incidence X-ray diffraction.
  • Focused on grazing-incidence X-ray diffraction (IFe-O/IFe ratio) as a nondestructive measure.

    • Main Results:

    • Grazing-incidence X-ray diffraction proved to be the method of choice for nondestructive corrosion measurement.
    • The reproducibility of the overall procedure ranged from 6 to 13% (relative).
    • Oxides were identified as the main corrosion products, with formation extent proportional to elapsed time.

    Conclusions:

    • Grazing-incidence X-ray diffraction offers a reliable, quantitative, and nondestructive approach to assess metallic material corrosion in polymer composites.
    • The study establishes a methodology for understanding corrosion kinetics and product formation in these materials.
    • Material composition, time, and atmosphere influence the extent of oxide formation.