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.
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
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 in 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
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 students. 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 institutions responsible. He has 12 patents and many awards received for them. He is a member of various academic societies and also reviewer for many scientific journals and conferences.
Ramona CIMPOESU
Lecturer Ph.D. Eng. Chem.
Materials Science and Engineering Faculty,
“Gheorghe Asachi” Technical University of Iasi
Lecturer at Materials Science Department 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 the 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.
Table of Contents
1. Current Status of Materials used in the Construction of Vehicle Brake Discs
1.1 Car-braking systems
1.2 Analysis of car-braking systems
1.2.1 Tribological elements
1.2.2 Analysis of the evolution of brake discs
1.2.3 Damage of the braking systems
1.3 Materials, technologies and equipment used in the processes of obtaining brake discs
1.3.1 Classic friction materials
1.3.2 Friction materials with ceramic matrix
1.4 Properties of friction alloys used in car braking systems
References
2. Corrosion Dynamics in Fe-C Alloy Systems
2.1 Nonlinearity and chaos in complex systems such as Fe-C alloys
2.2 Chaotic system-complex system transition for Fe C type alloys by fractality/multifractality - the mathematical model
2.3 Validation of the theoretical model
References
3. Technology, Methodology and Material Basis used in Experimental Research of Materials for Brake Discs
3.1 Research methodology
3.2 Methodology for research of brake disc materials
3.3 Design and manufacture of friction alloys used in experimental research
3.3.1 Obtaining cast iron alloys with chrome
3.3.2 Obtaining ceramic layers
References
4. Methods and Equipment’s for Disks Brake Investigations
4.1 Working methodology and equipment used for the experimental determination of the friction coefficient of alloys
4.2 Working methodology and equipment used for the experimental determination of disc surface profiles of experimental alloys
4.3 Working methodology and equipment used to determine the wear resistance of experimental alloys
4.4 Working methodology and equipment used for experimental determination of corrosion resistance of experimental alloys
4.5 Research methodology of the structure and chemical composition of experimental alloys
4.5.1 Scanning electron microscopy
4.5.2 Dispersive energy spectrometry
4.5.3 X-ray diffraction
References
5. Research and Experimental Contributions on the Characterization of Materials for the Construction of Vehicle Brake Discs
5.1 Experimental research for the microstructural characterisation of metallic materials intended for realization of vehicle brake discs
5.1.1 Physicochemical characterization of experimental Fe-C alloys
5.1.1.1 Analyses on the chemical composition
5.1.1.2 Hardness measurements
5.1.2 Structural characterization of experimental Fe-C alloys
5.1.2.1 Structural characterization performed by light microscopy (optical metallography)
5.1.2.2 Structural characterization performed by scanning electron microscopy
5.2 Analysis of ceramic thin layers obtained by plasma spraying
5.2.1 Structural and chemical analysis of the metallic material surface after mechanical processing
5.2.2 Structural and chemical analysis of the surface of the metallic material after deposition of the ceramic layer
References
6. Mechanical Characterization of the Materials for Automotive Brake Systems
6.1 Profilometry of EN-GJL-250 material and ceramic layers
6.2 Analysis of the behavior of experimental materials with ceramic layers at micro-indentation
6.3 Experimental determination of the wear resistance of friction alloys
6.3.1 Analysis of the wear behavior of experimental samples with chromium additions
6.3.2 Analysis of the wear behavior of experimental samples with thin layers
References
7. Corrosion Resistance of the Materials used for Automotive Brake Disks
7.1 Experimental analysis of the corrosion resistance of chromium experimental materials
7.2 Analysis of the surface layers’ behavior, deposited on cast iron substrate, at electro-corrosion
References
About the Authors
