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  4. Charakterisierung von bearbeiteten Keramikoberflächen mittels akustischer Rastermikroskopie.
 
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1994
Conference Paper
Title

Charakterisierung von bearbeiteten Keramikoberflächen mittels akustischer Rastermikroskopie.

Other Title
Characterization of machined ceramic surfaces with acoustic microscopy
Abstract
Beside the advantages of advanced ceramics like high working temperature and chemical resistance the low ductility of ceramics is one of their major disadvantages. The low Kic of ceramics in comparision to ductile materials entails spontaneous crack growth at the same loading conditions for smaller defects. Thus holds in particular for the surface near zone. Therefore, the quality of the finished surface is imporatnt in order to prevent damage during loading. The final machining of the ceramic surface plays a central role. Here, two different grinding methods (alternating and creep feed grinding) are compared by mechanical testing and nondestructive testing methods.
Author(s)
Pangraz, S.
Arnold, W.
Weides, G.
Mainwork
RM Analytik von Werkstoffen und Bauteilen. RM Einrichtungen und Verfahren in der Oberflächenanalytik - RM in Mikro- und Nontechnologie  
Conference
Arbeitskreis Rastermikroskopie in der Materialprüfung (Vortragsveranstaltung) 1994  
Language
German
Fraunhofer-Institut für Zerstörungsfreie Prüfverfahren IZFP  
Keyword(s)
  • acoustic microscopy

  • akustische Mikroskopie

  • Bearbeitung

  • ceramic

  • damage

  • Keramik

  • machining

  • nondestructive testing

  • Schädigung

  • zerstörungsfreie Prüfung

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