INFLUENCE OF CURRENT DENSITY ON THE CHARACTERISTICS OF NI-CR ALLOY COATINGS
Résumé
In the present study, Ni-Cr alloy coatings were electrodeposited on pretreated Cu substrates, from a citrate bath containing chromium sulfate salt. In order to study the effect of applied current density, Ni-Cr alloy coatings were electrodeposited at 1, 3, 5 and 8 A/dm². The characteristics of the coatings were assessed by X-ray diffraction (XRD) and microhardness tests. The corrosion results were calculated from polarization Tafel lines. XRD analyses of elaborated coatings at different applied current densities indicate the formation of NiCr and Cr3Ni2 phases. The co-deposition of chromium in Ni matrix improved the microhardness and the corrosion behavior.Références
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[3] X. Peng, Y. Zhang, J. Zhao, F. Wang, Electrochimica Acta 51 (2006) 4922–4927.
[4] R. Abdel-Karim, J. Halim, S. El-Raghy, M. Nabil, A. Waheed, Journal of Alloys and Compounds 530 (2012) 85–90.
[5] M. Karbasi, N. Yazdian, A. Vahidian, Surface & Coatings Technology 207 (2012) 587–593.
[6] E. Beltowska-Lehman, A. Bigos, P. Indyka, M. Kot, Surface & Coatings Technology 211 (2012) 67–71.
[7] Mohsen ADABI, Ahmad Ali AMADEH, Trans. Nonferrous Met. Soc. China 24(2014) 3189-3195.
[8] L. Tian, J. Xu, S. Xiao, Vacuum 86 (2011) 27-33.
[9] H. Gül, F. Kýlýc, S. Aslan, A. Alp, H. Akbulut, Wear 267 (2009) 976–990.
[10] Jiang Xu, Jie Tao, Shuyun Jiang, Zhong Xu, Applied Surface Science 254 (2008) 4036–4043.
[11] P. Baghery, M. Farzam, A.B. Mousavi, M. Hosseini, Surface & Coatings Technology 204 (2010) 3804–3810.
[12] Chen-En Lu, Nen-Wen Pu, Kung-Hsu Hou, Chun-Chieh Tseng, Ming-Der Ger, Applied Surface Science 282 (2013) 544– 551.
[13] H. Ben Temam, A. Chala, S. Rahmane, Surface & Coatings Technology 205 (2011) S161–S164.
[14] Liping Wang, Yan Gao, Tao Xu, Qunji Xue, Applied Surface Science 252 (2006) 7361–7372.
[15] A.Liang, J. Zhang, Surface & Coatings Technology 206 (2012) 3614–3618.
[16] [16] Aimin Liang, Liwei Ni, Qiao Liu, Junyan Zhang, Surface & Coatings Technology 218 (2013) 23–29.
[17] ZHAO Guo-gang, ZHOU Yue-bo, ZHANG Hai-jun, Trans. Nonferrous Met. Soc. China 19(2009) 319-323.
[18] Ching An Huang , Che Kuan Lin, Chao Yu Chen, Surface & Coatings Technology 203 (2009) 3686–3691.
[19] H.A. Ramezani-Varzaneh, S.R. Allahkaram, M. Isakhani-Zakaria, Surface & Coatings Technology 244 (2014) 158–165.
[20] ZHOU Yue-bo, ZHAO Guo-gang, ZHANG Hai-jun, Trans. Nonferrous Met. Soc. China 20(2010) 104-109.
[21] Ching An Huang, Chao Yu Chen, Chun Ching Hsu and Chao Sung Lin, Scripta Materialia 57 (2007) 61–64.
[22] M.R. Etminanfar, M. Heydarzadeh Sohi, Thin Solid Films 520, (2012), 5322–5327.
Publiée
2017-02-06
Comment citer
AIDAOUI, E.; BEN TAMAM, H.; GUETTAF TAMAM, E..
INFLUENCE OF CURRENT DENSITY ON THE CHARACTERISTICS OF NI-CR ALLOY COATINGS.
Courrier du Savoir, [S.l.], v. 22, fév. 2017.
ISSN 1112-3338.
Disponible à l'adresse : >http://univ-biskra.dz/revues/index.php/cds/article/view/1922>. Date de consultation : 22 déc. 2024
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