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Effect of addition of polyethylene glycol into trivalent chromium bath on chromium coating

Conventionally, chromium is deposited from hexavalent chromium baths containing extremely toxic compounds of Cr (VI). Due to serious health and environmental concerns of Cr (VI), trivalent chromium bath is proposed as a counter approach towards greener and safer chromium plating. In the present work...

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Main Authors: Tey, Eydar, Zainal, Zulkarnain, Lim, Kean Pah, Ismail, Ismayadi
Format: Article
Language:English
Published: Trans Tech Publications 2020
Online Access:http://psasir.upm.edu.my/id/eprint/88563/1/ABSTRACT.pdf
http://psasir.upm.edu.my/id/eprint/88563/
https://www.scientific.net/SSP.307.264
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spelling my.upm.eprints.885632021-12-21T08:04:44Z http://psasir.upm.edu.my/id/eprint/88563/ Effect of addition of polyethylene glycol into trivalent chromium bath on chromium coating Tey, Eydar Zainal, Zulkarnain Lim, Kean Pah Ismail, Ismayadi Conventionally, chromium is deposited from hexavalent chromium baths containing extremely toxic compounds of Cr (VI). Due to serious health and environmental concerns of Cr (VI), trivalent chromium bath is proposed as a counter approach towards greener and safer chromium plating. In the present work, chromium coatings were electrodeposited onto copper substrate using a modified trivalent chromium electroplating bath with addition of polyethylene glycol (PEG 1500). The effects of PEG on the Cr coating were investigated. The crystalline structure, composition and surface morphology of the deposits were studied by X-ray diffraction (XRD), energy-dispersive X-ray spectroscopy (EDX) and scanning electron microscopy (SEM). The surface roughness of the coatings were characterized by atomic force microscopy (AFM). With addition of PEG, the surface roughness of Cr coating decreased by 44.5 % and the corrosion rate decreased by 23.3 % compared to that of without PEG. Meanwhile, the hardness increased by 22.7 %. Trans Tech Publications 2020 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/88563/1/ABSTRACT.pdf Tey, Eydar and Zainal, Zulkarnain and Lim, Kean Pah and Ismail, Ismayadi (2020) Effect of addition of polyethylene glycol into trivalent chromium bath on chromium coating. Solid State Phenomena, 307. 264 - 270. ISSN 1012-0394; ESSN: 1662-9779 https://www.scientific.net/SSP.307.264 10.4028/www.scientific.net/SSP.307.264
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description Conventionally, chromium is deposited from hexavalent chromium baths containing extremely toxic compounds of Cr (VI). Due to serious health and environmental concerns of Cr (VI), trivalent chromium bath is proposed as a counter approach towards greener and safer chromium plating. In the present work, chromium coatings were electrodeposited onto copper substrate using a modified trivalent chromium electroplating bath with addition of polyethylene glycol (PEG 1500). The effects of PEG on the Cr coating were investigated. The crystalline structure, composition and surface morphology of the deposits were studied by X-ray diffraction (XRD), energy-dispersive X-ray spectroscopy (EDX) and scanning electron microscopy (SEM). The surface roughness of the coatings were characterized by atomic force microscopy (AFM). With addition of PEG, the surface roughness of Cr coating decreased by 44.5 % and the corrosion rate decreased by 23.3 % compared to that of without PEG. Meanwhile, the hardness increased by 22.7 %.
format Article
author Tey, Eydar
Zainal, Zulkarnain
Lim, Kean Pah
Ismail, Ismayadi
spellingShingle Tey, Eydar
Zainal, Zulkarnain
Lim, Kean Pah
Ismail, Ismayadi
Effect of addition of polyethylene glycol into trivalent chromium bath on chromium coating
author_facet Tey, Eydar
Zainal, Zulkarnain
Lim, Kean Pah
Ismail, Ismayadi
author_sort Tey, Eydar
title Effect of addition of polyethylene glycol into trivalent chromium bath on chromium coating
title_short Effect of addition of polyethylene glycol into trivalent chromium bath on chromium coating
title_full Effect of addition of polyethylene glycol into trivalent chromium bath on chromium coating
title_fullStr Effect of addition of polyethylene glycol into trivalent chromium bath on chromium coating
title_full_unstemmed Effect of addition of polyethylene glycol into trivalent chromium bath on chromium coating
title_sort effect of addition of polyethylene glycol into trivalent chromium bath on chromium coating
publisher Trans Tech Publications
publishDate 2020
url http://psasir.upm.edu.my/id/eprint/88563/1/ABSTRACT.pdf
http://psasir.upm.edu.my/id/eprint/88563/
https://www.scientific.net/SSP.307.264
_version_ 1720438533334761472
score 13.211869

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