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Technical Note

Applicability investigation of alumina-titania based plasma spray coating on cast iron brake discs for battery electric vehicles

Ekrem Altuncu1, Recep Akyüz2

1Sakarya App. Sci. Uni., Sakarya, Turkey                                                                                                                         2TOFAŞ Turkish Automotive Company R&D Center, Bursa, Turkey

Keywords

Abstract



Plasma spray; 


Ceramic coating; 


Wear;


Brake Discs


Automobile brake disc are subjected to cyclic thermal, mechanical and corrosive effects. In general, gray cast iron grades are preferred as disc brake materials. Lamellar cast iron disc brakes have a limited lifetime and are replaced periodically during the maintenance-service process. With the growing interest in the number of Battery Electric Vehicles (BEV), there is a need for disc brake with longer service life on discs. Therefore, in the automotive sector, in line with increasing competition and user demands, there is an interest in new coating types and materials with corrosion free properties, a longer service life and high brake performance. Wear and corrosion resistant plasma spray coatings are the key to increasing the service life and braking performance of cast iron discs. In this study, the discs (GG20) are coated with Alumina- Titania based ceramic material by atmospheric plasma spray method. The ceramic coated disc brakes were installed on the road driving test vehicle and disc brake thickness reduction were measured periodically according to wear test plan throughout 20.000 km. The test results show that the ceramic coating provides 18 times more wear resistance compared to uncoated disc brake. In addition, coated disc brakes exhibited superior performance in corrosion tests. As a result of the investigations carried out on disc brakes, it is understood that plasma spray ceramic coatings can be used alternatively in brake disc systems.

© 2019 MIM Research Group. All rights reserved.

LATEST News


27/12/2022 Reviewer Awards: The winners of 2022 reviewer awards of Research on Engineering Structures and Materials (RESM) are announced. More information can be found at Reviewer Awards section. 


23/12/2022 Best Paper Award: According to the Advisory Board decision, the paper authored by Nitin Kumar, Michele Barbato, Erika L. Rengifo-López and Fabio Matta entitled as “Capabilities and limitations of existing finite element simplified micro-modeling techniques for unreinforced masonry” is awarded the 2022 Best Paper Award of Research on Engineering Structures and Materials (RESM). 

23/12/2022 Most Cited Paper Award:  According to the Editorial Board evaluation, the paper authored by Aykut Elmas, Güliz Akyüz, Ayhan Bergal, Müberra Andaç and Ömer Andaç entitled as “Mathematical modelling of drug release" is awarded the 2022 Most Cited Paper Award of Research on Engineering Structures and Materials (RESM). 


13/04/2022 Fraudulent Emails Impersonating Our Journal: We noticed that some emails are sent to some people impersonating our journal staff as sender and requesting recipients to follow some links. Our journal and staff has nothing to do with these emails and please do not follow the given links. Senders seem to have malicious aims. The emails include a portion of some of our previous emails to the journal users and researchers. This is only to deceive the receiver and make them trust the email. Do not follow any links or perform suspicious actions specified in these emails. Please, check the sender info carefully. Even the sender address or name resembles the journal related words they are different, generally in an easily noticeable way.


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LATEST AWARDS


2022 Reviewer Awards:

Please, visit Reviewer Awards section for the winners of the 2022 RESM reviewer awards.


2022 Best Paper Award:

The paper authored by Nitin Kumar, Michele Barbato, Erika L. Rengifo-López and Fabio Matta entitled as “Capabilities and limitations of existing finite element simplified micro-modeling techniques for unreinforced masonry” is awarded the 


2022 Most Cited Paper Award:

The paper authored by Aykut Elmas, Güliz Akyüz, Ayhan Bergal, Müberra Andaç and Ömer Andaç entitled as “Mathematical modelling of drug release" is awarded the


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