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Carbon fiber based ceramic brake materials - concepts and applications

Koch, Dietmar and Heidenreich, Bernhard and Shi, Yuan and Klopsch, Linda and Kessel, Fiona (2019) Carbon fiber based ceramic brake materials - concepts and applications. 10th International Conference on High Temperature Ceramic Matrix Composites (HTCMC 10), 20.-22. Sept.2019, Bordeaux, Frankreich.

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Abstract

Carbon fiber reinforced ceramics manufactured via liquid silicon infiltration (LSI) have been developed at DLR since the late 1980s. Carbon fibers are infiltrated with a polymer based matrix which will be converted to carbon during the pyrolysis process and then reacted to SiC by LSI. The resulting C/C-SiC composites show high abrasion resistance, sufficient heat capacity and high corrosion stability. These properties make the composites attractive for passenger car brake systems. Today, brake discs are manufactured in serial production very efficiently, being reinforced with short fibers and coated with a frictional SiC rich layer on the surface. Apart from this application, also other frictional applications have been realized, as e.g. brake pads for high velocity elevators or brake discs for the Airbus A400M propeller brake system. A detailed overview of various C/C-SiC friction materials, and the necessary microstructural design adapted to the individual frictional application will be presented. Additionally, new concepts for brake materials, focusing on enhanced preform technologies, like knitting or stitching, combined with short fiber reinforced frictional layers, will be shown and their potential will be discussed.

Item URL in elib:https://elib.dlr.de/132907/
Document Type:Conference or Workshop Item (Speech)
Title:Carbon fiber based ceramic brake materials - concepts and applications
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Koch, DietmarDietmar.Koch (at) dlr.dehttps://orcid.org/0000-0003-4504-8721
Heidenreich, BernhardBernhard.Heidenreich (at) dlr.dehttps://orcid.org/0000-0002-4330-8844
Shi, Yuanyuan.shi (at) dlr.dehttps://orcid.org/0000-0002-4210-9069
Klopsch, LindaLinda.Klopsch (at) dlr.deUNSPECIFIED
Kessel, FionaFiona.Kessel (at) dlr.deUNSPECIFIED
Date:September 2019
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:C/C-SiC, LSI, ceramic brakes, preforming
Event Title:10th International Conference on High Temperature Ceramic Matrix Composites (HTCMC 10)
Event Location:Bordeaux, Frankreich
Event Type:international Conference
Event Dates:20.-22. Sept.2019
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Transport
DLR - Research area:Raumfahrt
DLR - Program:R RP - Raumtransport
DLR - Research theme (Project):R - Wiederverwendbare Raumfahrtsysteme und Antriebstechnologie
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Ceramic Composite Structures
Deposited By: Heidenreich, Bernhard
Deposited On:18 Dec 2019 11:30
Last Modified:18 Dec 2019 11:30

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