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  4. Quantitative hardening-depth-measurements up to 4 mm by means of micromagnetic microstructure multiparameter analysis -3MA-.
 
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1988
Conference Paper
Title

Quantitative hardening-depth-measurements up to 4 mm by means of micromagnetic microstructure multiparameter analysis -3MA-.

Other Title
Quantitative Bestimmung der Einhärtungstiefe bis zu Tiefen von 4 mm mittels mikromagnetischen Multiparameter Mikrostruktur Analyse. 3MA
Abstract
Induction-Laser- and Case-hardening are techniques to obtain surface microstructures with high resistance against wear and tear. The contribution refers the results of micromagnetic QND-techniques to evaluate the hardening depth. Depending on the material (steels and case-iron) Barkhausen-Noise-measurements allow the detectability up to 4 mm depth whereas Incremental-Permeability-measurements are restricted to hardening-depths up to 2 mm. (IZFP)
Author(s)
Altpeter, I.
Dobmann, G.
Kern, R.
Theiner, W.
Mainwork
Review of Progress in Quantitative Nondestructive Evaluation. 7B  
Conference
Annual Review of Progress in Quantitative Nondestructive Evaluation 1987  
Language
English
Fraunhofer-Institut für Zerstörungsfreie Prüfverfahren IZFP  
Keyword(s)
  • Barkhausen-Effekt

  • Einhärtungstiefe

  • Einsatzhärte

  • Härtetiefe

  • Koerzitivfeldstärkenmessung

  • Permeabilitätsmessung

  • Prüfung(magnetisch)

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