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  4. Quantitative nondestructive evaluation of machined surface states by X-ray and micromagnetic techniques
 
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1993
Conference Paper
Title

Quantitative nondestructive evaluation of machined surface states by X-ray and micromagnetic techniques

Abstract
Grinding and turning as well as shot peening, work hardening, diamond burnishing and power brush finishing are changing the microstructure and residual stresses in machined parts. Beside the depth of the influenced perpheral layer also the surface distribution of microstructure and residual stress have to be measured by rapid scanning nondestructive testing systems. The employed methods should be sensitive to changes in the influenced layers up to about 200 MilliMy and should have a local resolution of about 1 mm. Because microstructure and residual stress states both influence the measured signals, only multiparameter strategies can garantee unambiguous testing results.
Author(s)
Theiner, W.
Schorr, P.
Stücker, E.
Mainwork
Residual Stresses  
Conference
European Conference on Residual Stresses 1992  
Language
English
Fraunhofer-Institut für Zerstörungsfreie Prüfverfahren IZFP  
Keyword(s)
  • micro-nondestructive testing

  • nondestructive evaluation

  • nondestructive testing

  • Oberfläche

  • Oberflächencharakterisierung

  • Röntgen

  • x-ray

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