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EnglishA significant fraction of the non-exhaust particulate matter emissions from vehicular traffic comprises fine particles from the wear debris of brake pads and discs. Recent studies have shown that these emissions can be consistently reduced by using wear resistant disc coatings. This study thoroughly analyses the debris produced by a low-met brake pad, which is dyno-bench tested against both cast iron and WC-CoCr-coated brake discs. To achieve this, particles in the size range of 2.5 µm to 30 nm were collected and characterized. The results showed a consistent reduction in the particle emission as well as in the concentration of iron oxides, which are mainly released from the disc tribo-oxidation in the coated disc. Furthermore, a few tungsten carbides, released from the coating, were also observed in the wear fragments. The results of this study can be useful for improving the protective coating and consequently help in reducing particulate matter emission further.
Characterization of airborne wear debris produced by brake pads pressed against HVOF-coated discs / Menapace, C.; Mancini, A.; Federici, M.; Straffelini, G.; Gialanella, S.. - In: FRICTION. - ISSN 2223-7690. - 8:2(2020), pp. 421-432.
| Titolo: | Characterization of airborne wear debris produced by brake pads pressed against HVOF-coated discs | |
| Autori: | Menapace, C.; Mancini, A.; Federici, M.; Straffelini, G.; Gialanella, S. | |
| Autori Unitn: | ||
| Titolo del periodico: | FRICTION | |
| Anno di pubblicazione: | 2020 | |
| Numero e parte del fascicolo: | 2 | |
| Codice identificativo Scopus: | 2-s2.0-85064281904 | |
| Codice identificativo ISI: | WOS:000523031600011 | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1007/s40544-019-0284-4 | |
| Handle: | http://hdl.handle.net/11572/260392 | |
| Citazione: | Characterization of airborne wear debris produced by brake pads pressed against HVOF-coated discs / Menapace, C.; Mancini, A.; Federici, M.; Straffelini, G.; Gialanella, S.. - In: FRICTION. - ISSN 2223-7690. - 8:2(2020), pp. 421-432. | |
| Appare nelle tipologie: | 03.1 Articolo su rivista (Journal article) |
File in questo prodotto:
| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| FRICTION_paper_published.pdf | Versione editoriale (Publisher’s layout) |  | Open Access Visualizza/Apri |
http://hdl.handle.net/11572/260392
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