American Journal of Physics and Applications

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Improving Corrosion Resistance of Co Using Silane Coupling Treatment in Neutral Solution

Received: 30 October 2018    Accepted: 21 November 2018    Published: 15 January 2019
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Abstract

Many products using a magnetic property, a mechanical property and chemical property of the thin metal film of the nm order are developing in the great many fields. The establishment of technology for corrosion prevention under nm level or the atom level is necessary to control corrosion without losing the characteristic of these products. In this study, surface treatments using BTSE, BTSPA, and BTSPS were evaluated from the viewpoint of improving the corrosion resistance of thin cobalt films. Corrosion behavior was evaluated corrosion current density using Tafel plots. Treated cobalt films were characterized by XPS and observed by SEM and AFM. A silane-coupling layer formed on the cobalt as a result of each of these treatments. However, the corrosion resistances offered by the different layers varied significantly. Immersion in BTSE with hydrogen peroxide for one hour did not yield an improvement, whereas immersion for 24 hours resulted in a large improvement. In contrast, immersion in BTSPA with hydrogen peroxide for 24 hours did not lead to a corrosion improvement, whereas immersion for one hour provided corrosion resistance. Immersion in BTSPS with hydrogen peroxide for either amount of time yielded no improvement, because of the poor coherency of the deposit on cobalt. These behaviors can be explained in terms of the hard and soft acid-base principle.

DOI 10.11648/j.ajpa.20180606.13
Published in American Journal of Physics and Applications (Volume 6, Issue 6, November 2018)
Page(s) 154-161
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Cobalt, Silane Coupling, Corrosion, Inhibition, High Affinity, HSAB Principle

References
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[3] M. Dabala, L. Armelao, A. Buchberger, and I. Calliari, Appl. Surf. Sci., 172, (2001) 312-322.
[4] M. A. Arenas, M. Bethencourt, F. J. Botana, J. de Damborenea, and M. Narcos, Corros. Sci., 43, (1), (2001) 157-170.
[5] X. Zhang, C. Van Den Bos, W. G. Sloof, H. Terryn, A. Hovestad, and J. H. W. De Wit, Surface Engineering, 20, (4), (2004) 244-250.
[6] Bhatt H., Manavbasi A., and Rosenquist D., Metal Finishing, 107, (7-8), (2009) 31-37.
[7] A. Franquet, H. Terryn, and J. Vereecken, Surf. Interf. Anal., 36, (8), (2004) 681-384.
[8] W. Trabelsi, E. Triki, L. Dhouibi, M. G. Ferreira, M. L. Zheludkevich, and M. F. Montemor, Surf. Coat. Technol., 200, (2006) 4240-4250.
[9] W. J. van Ooij and D. Zhu, Corrosion, 27, (5), (2001) 413-427.
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Author Information
  • Research & Development Group, Hitachi Ltd., Omika, Hitachi, Japan

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  • APA Style

    Katsumi Mabuchi. (2019). Improving Corrosion Resistance of Co Using Silane Coupling Treatment in Neutral Solution. American Journal of Physics and Applications, 6(6), 154-161. https://doi.org/10.11648/j.ajpa.20180606.13

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    ACS Style

    Katsumi Mabuchi. Improving Corrosion Resistance of Co Using Silane Coupling Treatment in Neutral Solution. Am. J. Phys. Appl. 2019, 6(6), 154-161. doi: 10.11648/j.ajpa.20180606.13

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    AMA Style

    Katsumi Mabuchi. Improving Corrosion Resistance of Co Using Silane Coupling Treatment in Neutral Solution. Am J Phys Appl. 2019;6(6):154-161. doi: 10.11648/j.ajpa.20180606.13

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  • @article{10.11648/j.ajpa.20180606.13,
      author = {Katsumi Mabuchi},
      title = {Improving Corrosion Resistance of Co Using Silane Coupling Treatment in Neutral Solution},
      journal = {American Journal of Physics and Applications},
      volume = {6},
      number = {6},
      pages = {154-161},
      doi = {10.11648/j.ajpa.20180606.13},
      url = {https://doi.org/10.11648/j.ajpa.20180606.13},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.ajpa.20180606.13},
      abstract = {Many products using a magnetic property, a mechanical property and chemical property of the thin metal film of the nm order are developing in the great many fields. The establishment of technology for corrosion prevention under nm level or the atom level is necessary to control corrosion without losing the characteristic of these products. In this study, surface treatments using BTSE, BTSPA, and BTSPS were evaluated from the viewpoint of improving the corrosion resistance of thin cobalt films. Corrosion behavior was evaluated corrosion current density using Tafel plots. Treated cobalt films were characterized by XPS and observed by SEM and AFM. A silane-coupling layer formed on the cobalt as a result of each of these treatments. However, the corrosion resistances offered by the different layers varied significantly. Immersion in BTSE with hydrogen peroxide for one hour did not yield an improvement, whereas immersion for 24 hours resulted in a large improvement. In contrast, immersion in BTSPA with hydrogen peroxide for 24 hours did not lead to a corrosion improvement, whereas immersion for one hour provided corrosion resistance. Immersion in BTSPS with hydrogen peroxide for either amount of time yielded no improvement, because of the poor coherency of the deposit on cobalt. These behaviors can be explained in terms of the hard and soft acid-base principle.},
     year = {2019}
    }
    

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  • TY  - JOUR
    T1  - Improving Corrosion Resistance of Co Using Silane Coupling Treatment in Neutral Solution
    AU  - Katsumi Mabuchi
    Y1  - 2019/01/15
    PY  - 2019
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    DO  - 10.11648/j.ajpa.20180606.13
    T2  - American Journal of Physics and Applications
    JF  - American Journal of Physics and Applications
    JO  - American Journal of Physics and Applications
    SP  - 154
    EP  - 161
    PB  - Science Publishing Group
    SN  - 2330-4308
    UR  - https://doi.org/10.11648/j.ajpa.20180606.13
    AB  - Many products using a magnetic property, a mechanical property and chemical property of the thin metal film of the nm order are developing in the great many fields. The establishment of technology for corrosion prevention under nm level or the atom level is necessary to control corrosion without losing the characteristic of these products. In this study, surface treatments using BTSE, BTSPA, and BTSPS were evaluated from the viewpoint of improving the corrosion resistance of thin cobalt films. Corrosion behavior was evaluated corrosion current density using Tafel plots. Treated cobalt films were characterized by XPS and observed by SEM and AFM. A silane-coupling layer formed on the cobalt as a result of each of these treatments. However, the corrosion resistances offered by the different layers varied significantly. Immersion in BTSE with hydrogen peroxide for one hour did not yield an improvement, whereas immersion for 24 hours resulted in a large improvement. In contrast, immersion in BTSPA with hydrogen peroxide for 24 hours did not lead to a corrosion improvement, whereas immersion for one hour provided corrosion resistance. Immersion in BTSPS with hydrogen peroxide for either amount of time yielded no improvement, because of the poor coherency of the deposit on cobalt. These behaviors can be explained in terms of the hard and soft acid-base principle.
    VL  - 6
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