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  4. Early detection of hydrogen-induced stress corrosion cracking using micromagnetic test methods
 
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1996
Conference Paper
Title

Early detection of hydrogen-induced stress corrosion cracking using micromagnetic test methods

Abstract
In ferritic steels, especially those of higher tensile strength, Hydrogen-Induced Stress Corrosion Cracking (HISCC) can lead to sudden component failure and is thus a safety risk. The interaction of the steel with the diffusing hydrogen leads to changes in the material's properties that can be detected with micromagnetic testing methods. The experiments and measurements described where carried out on tube specimens with martensitic microstructure (steel grade X 20 Cr 13) in order to generally evaluate the potential of micromagnetic testing methods for the early recognition of HISCC
Author(s)
Lang, M.A.
Altpeter, I.
Dobmann, G.
Mainwork
Nondestructive characterization of materials VII. Pt.1  
Conference
International Symposium on Nondestructive Characterization of Materials 1995  
Language
English
Fraunhofer-Institut für Zerstörungsfreie Prüfverfahren IZFP  
Keyword(s)
  • Barkhausen noise

  • Barkhausen-Rauschen

  • distorsion factor

  • ferritic steel

  • ferritischer Stahl

  • hydrogen-induced stress corrosion

  • micromagnetic method

  • micromagnetic testing

  • microstructure

  • mikromagnetische Prüfung

  • mikromagnetische Technik

  • Mikrostruktur

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