Monitoring of zincate pre-treatment of aluminium prior to electroless nickel plating
Monitoring of zincate pre-treatment of aluminium prior to electroless nickel plating
Zincating is used as a pre-treatment for aluminium prior to electroless nickel deposition during preparation of magnetic computer memory discs. Four immersion zincating solutions were evaluated at 22 oC using single step or double zincating followed by electroless nickel deposition from a (high phosphorus) hypophosphite bath at 90 oC. The coating process was monitored by potential vs. time curves obtained under open-circuit conditions during zincating then electroless nickel plating. The surface morphology of the aluminium at various stages, was imaged by scanning electron microscopy and atomic force microscopy. Zero resistance ammetry was used to record galvanic currents between the aluminium and an inert platinum counter electrode during zincating.
Electrode potential, electroless nickel, immersion plating, pre-treatment
97-105
Court, S.
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Kerr, C.
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Ponce De Leon Albarran, C.
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Smith, J. R.
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Barker, B.D.
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Walsh, F.C.
309528e7-062e-439b-af40-9309bc91efb2
Court, S.
58d072e4-c274-41ad-b40a-b3018f99c2e8
Kerr, C.
1c9da052-7b52-4841-a2ad-b5e078ff0c22
Ponce De Leon Albarran, C.
508a312e-75ff-4bcb-9151-dacc424d755c
Smith, J. R.
19e43000-8a35-4623-8e88-4106530daa14
Barker, B.D.
74e8d2f7-7cd3-418c-8190-ebf2197b51b9
Walsh, F.C.
309528e7-062e-439b-af40-9309bc91efb2
Court, S., Kerr, C., Ponce De Leon Albarran, C., Smith, J. R., Barker, B.D. and Walsh, F.C.
(2017)
Monitoring of zincate pre-treatment of aluminium prior to electroless nickel plating.
Transactions of the IMF, 95 (2), .
(doi:10.1080/00202967.2016.1236573).
Abstract
Zincating is used as a pre-treatment for aluminium prior to electroless nickel deposition during preparation of magnetic computer memory discs. Four immersion zincating solutions were evaluated at 22 oC using single step or double zincating followed by electroless nickel deposition from a (high phosphorus) hypophosphite bath at 90 oC. The coating process was monitored by potential vs. time curves obtained under open-circuit conditions during zincating then electroless nickel plating. The surface morphology of the aluminium at various stages, was imaged by scanning electron microscopy and atomic force microscopy. Zero resistance ammetry was used to record galvanic currents between the aluminium and an inert platinum counter electrode during zincating.
Text
Court Zincating Al Paper TIMF 2016
- Accepted Manuscript
More information
Accepted/In Press date: 9 September 2016
e-pub ahead of print date: 2 March 2017
Keywords:
Electrode potential, electroless nickel, immersion plating, pre-treatment
Organisations:
Energy Technology Group
Identifiers
Local EPrints ID: 407603
URI: http://eprints.soton.ac.uk/id/eprint/407603
ISSN: 1745-9192
PURE UUID: aed06672-5aa4-4125-a784-6d4238494527
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Date deposited: 16 Apr 2017 16:59
Last modified: 16 Mar 2024 05:12
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Contributors
Author:
S. Court
Author:
C. Kerr
Author:
J. R. Smith
Author:
B.D. Barker
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