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A study on the corrosion and mechanical properties of duplex coating Ti6Al4V/TiAlBN

Titanium alloys, especially Ti6Al4V, have an excellent combination of properties. However, in many cases their application is limited because of poor wear and corrosion properties. In this research, a surface modification (duplex coating) has been carried out to improve the surface properties of Ti6...

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Main Authors: Yusuf, Yusliza, Omar, Noor Irinah, Mohd Rosli, Zulkifli, Mohamad Juoi, Jariah
Format: Article
Language:English
Published: Taylor and Francis Ltd. 2016
Online Access:http://eprints.utem.edu.my/id/eprint/26801/2/2016YUSLIZA.PDF
http://eprints.utem.edu.my/id/eprint/26801/
https://www.tandfonline.com/doi/abs/10.1080/00202967.2016.1180823
https://doi.org/10.1080/00202967.2016.1180823
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spelling my.utem.eprints.268012024-06-24T08:34:01Z http://eprints.utem.edu.my/id/eprint/26801/ A study on the corrosion and mechanical properties of duplex coating Ti6Al4V/TiAlBN Yusuf, Yusliza Omar, Noor Irinah Mohd Rosli, Zulkifli Mohamad Juoi, Jariah Titanium alloys, especially Ti6Al4V, have an excellent combination of properties. However, in many cases their application is limited because of poor wear and corrosion properties. In this research, a surface modification (duplex coating) has been carried out to improve the surface properties of Ti6Al4V. The duplex coating of the Ti6Al4V alloy was conducted with the aim of improving the corrosion resistance and mechanical properties of the alloy. In this study, plasma nitriding of Ti6Al4V was performed using a microwave plasma technique at a temperature 600°C for 1 and 3 h, followed by deposition of TiAlBN coating on plasma-nitrided samples for duplex coating purposes. Microstructural measurement revealed that the duplex coating process produces a relatively smooth and crack-free modified surface layer which is believed able to inhibit the occurrence of corrosion process. The electrochemical behaviour of duplex coating samples and untreated Ti6Al4V was evaluated using the Tafel Extrapolation method and it was found that the duplex coating significantly increased the corrosion protection property. In addition, the duplex surface obtained in this study has a superior surface hardness property compared to untreated Ti6Al4V, especially for samples with the longer nitriding time. Taylor and Francis Ltd. 2016-02 Article PeerReviewed text en http://eprints.utem.edu.my/id/eprint/26801/2/2016YUSLIZA.PDF Yusuf, Yusliza and Omar, Noor Irinah and Mohd Rosli, Zulkifli and Mohamad Juoi, Jariah (2016) A study on the corrosion and mechanical properties of duplex coating Ti6Al4V/TiAlBN. Transactions of the Institute of Metal Finishing, 94 (4). pp. 222-226. ISSN 0020-2967 https://www.tandfonline.com/doi/abs/10.1080/00202967.2016.1180823 https://doi.org/10.1080/00202967.2016.1180823
institution Universiti Teknikal Malaysia Melaka
building UTEM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknikal Malaysia Melaka
content_source UTEM Institutional Repository
url_provider http://eprints.utem.edu.my/
language English
description Titanium alloys, especially Ti6Al4V, have an excellent combination of properties. However, in many cases their application is limited because of poor wear and corrosion properties. In this research, a surface modification (duplex coating) has been carried out to improve the surface properties of Ti6Al4V. The duplex coating of the Ti6Al4V alloy was conducted with the aim of improving the corrosion resistance and mechanical properties of the alloy. In this study, plasma nitriding of Ti6Al4V was performed using a microwave plasma technique at a temperature 600°C for 1 and 3 h, followed by deposition of TiAlBN coating on plasma-nitrided samples for duplex coating purposes. Microstructural measurement revealed that the duplex coating process produces a relatively smooth and crack-free modified surface layer which is believed able to inhibit the occurrence of corrosion process. The electrochemical behaviour of duplex coating samples and untreated Ti6Al4V was evaluated using the Tafel Extrapolation method and it was found that the duplex coating significantly increased the corrosion protection property. In addition, the duplex surface obtained in this study has a superior surface hardness property compared to untreated Ti6Al4V, especially for samples with the longer nitriding time.
format Article
author Yusuf, Yusliza
Omar, Noor Irinah
Mohd Rosli, Zulkifli
Mohamad Juoi, Jariah
spellingShingle Yusuf, Yusliza
Omar, Noor Irinah
Mohd Rosli, Zulkifli
Mohamad Juoi, Jariah
A study on the corrosion and mechanical properties of duplex coating Ti6Al4V/TiAlBN
author_facet Yusuf, Yusliza
Omar, Noor Irinah
Mohd Rosli, Zulkifli
Mohamad Juoi, Jariah
author_sort Yusuf, Yusliza
title A study on the corrosion and mechanical properties of duplex coating Ti6Al4V/TiAlBN
title_short A study on the corrosion and mechanical properties of duplex coating Ti6Al4V/TiAlBN
title_full A study on the corrosion and mechanical properties of duplex coating Ti6Al4V/TiAlBN
title_fullStr A study on the corrosion and mechanical properties of duplex coating Ti6Al4V/TiAlBN
title_full_unstemmed A study on the corrosion and mechanical properties of duplex coating Ti6Al4V/TiAlBN
title_sort study on the corrosion and mechanical properties of duplex coating ti6al4v/tialbn
publisher Taylor and Francis Ltd.
publishDate 2016
url http://eprints.utem.edu.my/id/eprint/26801/2/2016YUSLIZA.PDF
http://eprints.utem.edu.my/id/eprint/26801/
https://www.tandfonline.com/doi/abs/10.1080/00202967.2016.1180823
https://doi.org/10.1080/00202967.2016.1180823
_version_ 1802981606587105280
score 13.211869

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