Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/11819
Title: Corrosion and tribocorrosion behaviour of Ti-B4C composites processed by conventional sintering and hot-pressing technique
Authors: Sousa, L.
Alves, A. C.
Guedes, A.
Toptan, Fatih
Keywords: Titanium
Metal-matrix composites (MMCs)
Corrosion
Tribocorrosion
Issue Date: 2021
Publisher: Elsevier
Abstract: In this work, low volume reinforcement ex-situ Ti-B4C composites were produced using two different routes: conventional powder metallurgy (PM) and hot-pressing (HP). The effect of reinforcement phases and processing method on corrosion and tribocorrosion behaviour were studied. Composites processed by PM lost the typical passive behaviour of Ti matrix, while composites processed by HP presented similar behaviour to unreinforced Ti. Tribocorrosion tests showed that both composite groups presented two times decrease in corrosion kinetics under sliding compared to pure titanium. An antagonistic effect between wear and corrosion was observed for composites with at least two times decrease in wear volume compared to titanium. (C) 2021 Elsevier B.V. All rights reserved.
URI: https://doi.org/10.1016/j.jallcom.2021.161109
https://hdl.handle.net/11147/11819
ISSN: 0925-8388
1873-4669
Appears in Collections:Materials Science and Engineering / Malzeme Bilimi ve Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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