Automotive Brake Disc Materials

$65.00

The book reviews the current status of vehicle brake disc materials and technology.

$65.00
$65.00

Automotive Brake Disc Materials
Costel Dorel FLOREA, Costica BEJINARIU, Nicanor CIMPOESU, Ramona CIMPOESU
Materials Research Foundations Vol. 105
Publication Date 2021, 95 Pages
Print ISBN 978-1-64490-144-1  (release date July 2021)
ePDF ISBN 978-1-64490-145-8
DOI: 10.21741/9781644901458

The book reviews the current status of vehicle brake disc materials and technology. Topics covered include friction materials for braking systems, material characterization, mechanical properties, corrosion processes and methods for disc break investigations. The book references 158 original resources with their direct web links for in-depth reading.

Keywords
Braking Systems, Friction Materials, Car Braking Systems, Mathematical Models, Corrosion, Fractality, Cast Iron, Ceramic Thin Layers, Wear, Profilometry, Electro-Corrosion, Linear Potentiometry, Rainwater

flyer

Table of contents
Current Status of Materials used in the Construction of Vehicle Brake Discs 1
1.1 Car- braking systems 1
1.2 Analysis of car-braking systems 5
1.2.1 Tribological elements 5
1.2.2 Analysis of the evolution of brake discs 8
1.2.3 Damage of the braking systems 9
1.3 Materials, technologies and equipment used in the processes of obtaining brake discs 13
1.3.1 Classic friction materials 14
1.3.2 Friction materials with ceramic matrix 15
1.4 Properties of friction alloys used in car braking systems 17
References 18
Corrosion Dynamics in Fe-C Alloy Systems 23
2.1 Nonlinearity and chaos in complex systems such as Fe-C alloys 23
2.2 Chaotic system-complex system transition for Fe C type alloys by fractality/multifractality – the mathematical model 25
2.3 Validation of the theoretical model 28
References 32
Technology, Methodology and Material Basis used in
Experimental Research of Materials for Brake Discs 34
3.1 Research methodology 34
3.2 Methodology for research of brake disc materials 36
3.3 Design and manufacture of friction alloys used in experimental research 38
3.3.1 Obtaining cast iron alloys with chrome 38
3.3.2 Obtaining ceramic layers 40
References 42
Methods and Equipment’s for Disks Brake Investigations 45
4.1 Working methodology and equipment used for the experimental determination of the friction coefficient of alloys 45
4.2 Working methodology and equipment used for the experimental determination of disc surface profiles of experimental alloys 48
4.3 Working methodology and equipment used to determine the wear resistance of experimental alloys 53
4.4 Working methodology and equipment used for experimental determination of corrosion resistance of experimental alloys 54
4.5 Research methodology of the structure and chemical composition of experimental alloys 57
4.5.1 Scanning electron microscopy 57
4.5.2 Dispersive energy spectrometry 59
4.5.3 X-ray diffraction 60
References 62
Research and Experimental Contributions on the Characterization of Materials for the Construction of Vehicle Brake Discs 65
5.1 Experimental research for the microstructural characterisation of metallic materials intended for realization of vehicle brake discs 65
5.1.1 Physico – chemical characterization of experimental Fe – C alloys 65
5.1.1.1 Analyses on the chemical composition 66
5.1.1.2 Hardness measurements 67
5.1.2 Structural characterization of experimental Fe – C alloys 67
5.1.2.1 Structural characterization performed by light microscopy (optical metallography) 68
5.1.2.2 Structural characterization performed by scanning electron microscopy 72
5.2 Analysis of ceramic thin layers obtained by plasma spraying 75
5.2.1 Structural and chemical analysis of the metallic material surface after mechanical processing 75
5.2.2 Structural and chemical analysis of the surface of the metallic material after deposition of the ceramic layer 78
References 84
Mechanical Characterization of the Materials for
Automotive Brake Systems 87
6.1 Profilometry of EN-GJL-250 material and ceramic layers 87
6.2 Analysis of the behavior of experimental materials with ceramic layers at micro-indentation 92
6.3 Experimental determination of the wear resistance of friction alloys 102
6.3.1 Analysis of the wear behavior of experimental samples with chromium additions 102
6.3.2 Analysis of the wear behavior of experimental samples with thin layers 109
References 113
Corrosion Resistance of the Materials used for
Automotive Brake Disks 116
7.1 Experimental analysis of the corrosion resistance of chromium experimental materials 116
7.2 Analysis of the surface layers’ behavior, deposited on cast iron substrate, at electro-corrosion 125
References 131
About the Authors 134

 

 

About the authors

Costel Dorel FLOREA

PhD Eng. with 10 ISI papers and more than 50 citations. Co-organizer of Safety in Industrial field Congres. The main contributions focused on improving the properties of the usual materials used for brake discs by alloying or by deposition of thin ceramic layers on the contact surface. He characterized the classic materials used to make brake discs and improving the mechanical and chemical characteristics of existing materials.

Nicanor CIMPOESU
Professor Ph.D. Eng.
Materials Science and Engineering Faculty,
“Gheorghe Asachi” Technical University of Iasi
nicanor.cimpoesu@tuiasi.ro

Professor and researcher at “Gheorghe Asachi” Technical University of Iasi, with more than 15 years of experience. Prof. Habilitated since 2019, with 5 undergoing PhD students.Coordinator of Energy Spectroscopy and Image Microscopy (ESIM) laboratory from 2007 (esim.sim.tuiasi.ro). Field of experience is Materials Engineering with 12 published books, 120 ISI published articles with more than 750 citations – H index of 15/WoS and 16/Scopus. Worked on more than 25 research grants, on 2 being director and another 1 institution responsible. He has 3 patents and many awards received for them. He is a member of EMS, SMER and ATTR academic societies and also reviewers for many scientific journals, conferences and projects.

Costica BEJINARIU
Professor Ph.D. Eng.
Vicedean of Faculty of Materials Science and Engineering,
“Gheorghe Asachi” Technical University of Iasi
costica.bejinariu@tuiasi.ro

Professor and researcher at “Gheorghe Asachi” Technical University of Iasi, with more than 30 years of experience. PhD Coordinator since 2009, with 5 granted PhD students and 8 undergoing PhD student. Field of experience is Materials Engineering with 20 published books over 200 published articles with more than 600 citations – H index of 15/WoS and 18/Scopus. Worked on more than 45 research grants, on 4 being director and another 3 institution responsible. He has 12 patents and many awards received for them. He is a member of various academic societies and also reviewers for many scientific journals and conferences.

 Ramona CIMPOESU
Lecturer Ph.D. Eng. Chem.
Materials Science and Engineering Faculty,
“Gheorghe Asachi” Technical University of Iasi
ramona.cimpoesu@tuiasi.ro

Lecturer at Materials Science Departament and responsible of Corrosion resistance laboratory, with more than 10 years of experience. She is the author of more than 50 ISI articles, Hirsh index 8 and more than 200 citations. The significant scientific contribution to most articles is the analysis of metallic materials in terms of corrosion resistance. She analyzed the corrosion resistance by electrochemical methods: linear and cyclic potentiometry and by electrochemical impedance spectrometry. Co-author at 5 books in technical field. Member of AGIR society. She participated as a specialist member in the research team in many scientific research contracts. Reviewer for many international Journals.