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Numerical modelling of a ceramic matrix composite with porous matrix phase

Richter, Henning (2013) Numerical modelling of a ceramic matrix composite with porous matrix phase. In: ODAS 2013 - 13th ONERA-DLR Aerospace Symposium. ODAS 2013 - 13th ONERA-DLR Aerospace Symposium, 27. - 29. Mai 2013, Palaiseau, Frankreich.

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Official URL: http://sites.onera.fr/ODAS2013/program


To overcome the brittleness of conventional ceramics, fibre-reinforced ceramic composites have been developed in the past. The material WHIPOX®, which is developed at DLR Cologne, represents one variant of a fibre-reinforced ceramic composite that offers favourable mechanical properties for high temperature applications. Generally, the overall mechanical properties of ceramic composites are governed by their inhomogeneous microstructure. The paper describes the micromechanical modelling of WHIPOX® on several length scales: The microstructure of the matrix phase and of the fibre bundles within WHIPOX® components were recreated using parameterized numerical models and the corresponding overall mechanical properties were estimated by means of finite element analyses and periodic homogenization. Variation of the model parameters allowed studying the effect of different processing variables on the microstructure, as well as on the elastic properties. The analyses results are relevant for continuum-based finite element simulations of WHIPOX® components.

Item URL in elib:https://elib.dlr.de/83610/
Document Type:Conference or Workshop Item (Speech)
Title:Numerical modelling of a ceramic matrix composite with porous matrix phase
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:27 May 2013
Journal or Publication Title:ODAS 2013 - 13th ONERA-DLR Aerospace Symposium
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Ceramic Matrix Composites, WHIPOX, Numerical Model
Event Title:ODAS 2013 - 13th ONERA-DLR Aerospace Symposium
Event Location:Palaiseau, Frankreich
Event Type:international Conference
Event Dates:27. - 29. Mai 2013
Organizer:French Aerospace Lab (ONERA) und German Aerospace Center (DLR)
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Propulsion Systems (old)
DLR - Research area:Aeronautics
DLR - Program:L ER - Engine Research
DLR - Research theme (Project):L - Virtual Engine and Validation Methods (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Research > Experimental and Numerical Methods
Deposited By: Richter, Henning
Deposited On:29 Aug 2013 11:14
Last Modified:08 May 2014 23:29

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