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  4. Macroscopic damage modeling for silicon nitride
 
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2015
Journal Article
Title

Macroscopic damage modeling for silicon nitride

Abstract
Modeling the damage of brittle materials is of great importance considering a variety of structural components. Prominent examples are high strength engineering ceramics. The present work is concerned with silicon nitride, a material with increasing relevance in industrial applications. In the sense of a hierarchical model structure, effective properties of micromechanical simulations were applied to macroscopic, phenomenological damage models for monotonous and cyclic loading. In the following, both models are introduced and the application of the cyclic damage model to a four point bending test is discussed.
Author(s)
Ruck, J
Karlsruhe Institute of Technology (KIT)
Othmani, Y
Montanuniversität Leoben, Österreich
Lube, T.
Montanuniversität Leoben, Österreich
Khader, I.
Fraunhofer-Institut für Werkstoffmechanik IWM  
Kailer, A.
Fraunhofer-Institut für Werkstoffmechanik IWM  
Böhlke, T.
Karlsruhe Institute of Technology (KIT)
Journal
Proceedings in applied mathematics and mechanics. PAMM  
Project(s)
ROLICER  
Funder
European Commission EC  
Conference
International Association of Applied Mathematics and Mechanics (GAMM Annual Meeting) 2015  
DOI
10.1002/pamm.201510064
Language
English
Fraunhofer-Institut für Werkstoffmechanik IWM  
Keyword(s)
  • wear simulation

  • silicon nitrid

  • rolling contact

  • tribochemical wear

  • sliding wear

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