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Characterization and Simulation of Bending Properties of Continuous Fiber Reinforced C/C-SiC Sandwich Structures

Shi, Yuan and Heidenreich, Bernhard and Dileep, Pranav Kumar and Koch, Dietmar (2017) Characterization and Simulation of Bending Properties of Continuous Fiber Reinforced C/C-SiC Sandwich Structures. In: Key Engineering Materials, 742, pp. 215-222. 21. Symposium Verbundwerkstoffe und Werkstoffeverbunde, 05.-07. Juli 2017, Bremen, Germany. doi: 10.4028/www.scientific.net/KEM.742.215. ISSN 1662-9795.

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At the Institute of Structures and Design of German Aerospace Center (DLR) in Stuttgart, C/C-SiC sandwich structures based on continuous fiber reinforced folded cores and skin panels have been developed via Liquid Silicon Infiltration (LSI) and in situ joining method. The resulting lightweight structures offer a high potential in various application areas such as optical benches of satellites or charging racks for high temperature furnaces. A major impediment for the new development and practical application of ceramic sandwich structures is the lack of know-how of characterization and simulation of their mechanical properties. In this study, several types of C/C-SiC sandwich structures with folded cores with different fiber orientations (0°/90° and ±45°) in the core structure were manufactured and mechanically tested in four point bending. The mechanical properties of the different sandwich structures were correlated to analytical calculation and numerical (finite element) simulation. The comparison showed good correlation. The proposed evaluation methods are suitable to determine and simulate the mechanical properties of C/C-SiC sandwich structures and are a versatile tool for further product development.

Item URL in elib:https://elib.dlr.de/113046/
Document Type:Conference or Workshop Item (Speech)
Title:Characterization and Simulation of Bending Properties of Continuous Fiber Reinforced C/C-SiC Sandwich Structures
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Shi, Yuanyuan.shi (at) dlr.deUNSPECIFIED
Heidenreich, Bernhardbernhard.heidenreich (at) dlr.deUNSPECIFIED
Dileep, Pranav Kumarpranavkumar.dileep (at) dlr.deUNSPECIFIED
Koch, Dietmardietmar.koch (at) dlr.deUNSPECIFIED
Date:July 2017
Journal or Publication Title:Key Engineering Materials
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.4028/www.scientific.net/KEM.742.215
Page Range:pp. 215-222
Keywords:C/C-SiC sandwich structures, characterization, simulation, bending properties
Event Title:21. Symposium Verbundwerkstoffe und Werkstoffeverbunde
Event Location:Bremen, Germany
Event Type:international Conference
Event Dates:05.-07. Juli 2017
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Transportation
DLR - Research area:Raumfahrt
DLR - Program:R RP - Space Transportation
DLR - Research theme (Project):Experimentelle Methoden zur Raumfahrzeugauslegung (old)
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Ceramic Composite Structures
Deposited By: Shi, Dr.-Ing. Yuan
Deposited On:21 Sep 2017 10:51
Last Modified:21 Sep 2017 10:51

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