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Automatic transmission fluids in electrified transmissions: compatibility with elastomers

dc.contributor.authorGarcía Tuero, Alejandro 
dc.contributor.authorRamajo Escalera, Beatriz 
dc.contributor.authorFernández González, Alfonso 
dc.contributor.authorMendoza Meroño, Rafael 
dc.contributor.authorGarcia, Alberto
dc.contributor.authorHernández Battez, Antolín Esteban 
dc.date.accessioned2023-03-02T09:30:06Z
dc.date.available2023-03-02T09:30:06Z
dc.date.issued2022
dc.identifier.citationApplied Sciences (Switzerland), 12(12) (2022); doi:10.3390/app12126213
dc.identifier.issn2076-3417
dc.identifier.urihttp://hdl.handle.net/10651/66708
dc.description.abstractThe location of the electric motor (EM) inside the transmission in an electric vehicle requires the compatibility of the automatic transmission fluids (ATFs) with the materials of the EM and the transmission. This work studies the compatibility of four conventional ATFs with three elastomers: fluoroelastomer (FKM), ethylene-propylene-diene monomer (EPDM), and vinyl-methyl silicone rubber (silicone). Changes in volume, hardness, tensile strength, and elongation at break of the elastomers after aging in the ATFs were measured, and additional Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and thermogravimetric and derivative thermogravimetric (TGA and DTGA) tests were performed. The four ATFs showed high or medium compatibility with FKM and silicone, and low compatibility with EPDM. This low compatibility was related to changes in the composition and crystalline structure of the elastomer. The non-compatibility of the EPDM with the oils from Group III was also proven.
dc.description.sponsorshipThe authors would like to acknowledge the Ministry of Science, Innovation and Universities (Spain) for supporting this work under the project PID2019-109367RB-100 and the technical support provided by Scientific and Technical Services of the University of Oviedo.
dc.language.isoeng
dc.relation.ispartofApplied sciences (switzerland)
dc.rights© 2022 Los autores
dc.rightsCC Reconocimiento 4.0 Internacional
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.sourceScopus
dc.source.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85132834432&doi=10.3390%2fapp12126213&partnerID=40&md5=02ddb42165d7447c5be50926607af50a
dc.titleAutomatic transmission fluids in electrified transmissions: compatibility with elastomers
dc.typejournal article
dc.identifier.doi10.3390/app12126213
dc.relation.projectIDMCIU/PID2019-109367RB-I00
dc.relation.publisherversionhttp://dx.doi.org/10.3390/app12126213
dc.rights.accessRightsopen access
dc.type.hasVersionVoR


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