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Development and tribological studies of a novel metal‐ceramic hybrid brake disc

Title data

Opel, Thorsten ; Langhof, Nico ; Krenkel, Walter:
Development and tribological studies of a novel metal‐ceramic hybrid brake disc.
In: International Journal of Applied Ceramic Technology. (2021) . - 13 S..
ISSN 1744-7402
DOI: https://doi.org/10.1111/ijac.13826

Abstract in another language

Ceramic matrix composite (CMC) friction materials show promising tribological properties. Typically, carbon ceramic brake discs consist of a C/SiC rotor which is joined to a brake disc bell. Within this work, a novel metal-ceramic hybrid brake disc, consisting of C/SiC friction segments which are mounted by screws onto an aluminium carrier body, was designed and investigated. A prototype was built which was tribologically tested with three different brake pad materials, LowMet reference, modified SF C/SiC as well as C/C. A constant starting sliding velocity of 20 m/s and braking pressures of 1, 2 and 3 MPa were investigated. To simulate emergency braking conditions ten consecutive brake applications were carried out in close succession for each brake pad material and braking pressure. The C/C brake pad material showed the highest average coefficient of friction followed by the LowMet and C/SiC material. However, the wear rates of the C/C and LowMet material were orders of magnitude higher compared to the C/SiC material.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Ceramic engineering; Ceramic matrix composites; Silicon carbide; Wear/wear resistance
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Ceramic Materials
Faculties > Faculty of Engineering Science > Former Professors > Chair Ceramic Materials - Univ.-Prof. Dr.-Ing. Walter Krenkel
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 05 Oct 2021 07:52
Last Modified: 05 Oct 2021 07:52
URI: https://eref.uni-bayreuth.de/id/eprint/66713