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Chair of Materials and Surface Engineering
Materials and Surface Engineering
Chair of Materials and Surface Engineering 

Pitting and crevice corrosion test, ASTM G48

Technical specifications:

  • Aging of samples in 10 % FeCl3 solution
  • Method A
    • Test at 22 and 50 °C or according to the planned operating temperatureTest duration up to 72 h
    • Determination of the onset of pitting by instrumented testing
    • Characterisation of the corrosion phenomena
  • Method C
    • Gradual heating by 5 K (0 - 85 °C)
    • Determination of the critical pitting temperature (CPT value)
  • Application: Materials in chloride-impregnated application areas, higher alloy steels
Auswertung der Korrosionserscheinungen
Versuchsaufbau ASTM-G48-Test Probe mit Prüfkammer nach dem Testende