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Overview: The Potential of silanes for chromate replacement in metal finishing industries

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Silicon Chemistry

Abstract

Trialkoxysilanes (or silanes) have emerged as a very promising alternative for chromates in metal finishing industries. Compared to the conventional chromating processes, the major merits of silane-based surface treatments include: eco-compliance, easy-control processing, comparable corrosion protection of metals as well as paint adhesion to a variety of topcoats. In this overview paper, we report the recent status of silane studies including results of corrosion performance tests, the mechanism of corrosion protection of metals by silanes and the themal stabilities of silane films. We also address the new fields that we are beginning to explore such as nano-structured silane films, “self-healing” silane films, and “super-primers”.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, University of Cincinnati, Ohio, 45221-0012

    Wim J. van Ooij, Danqing Zhu, Vignesh Palanivel, J. Anna Lamar & Matthew Stacy

Authors
  1. Wim J. van Ooij
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  2. Danqing Zhu
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  3. Vignesh Palanivel
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  4. J. Anna Lamar
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  5. Matthew Stacy
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Correspondence to Wim J. van Ooij.

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van Ooij, W.J., Zhu, D., Palanivel, V. et al. Overview: The Potential of silanes for chromate replacement in metal finishing industries. Silicon Chem 3, 11–30 (2006). https://doi.org/10.1007/s11201-005-4407-6

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  • DOI: https://doi.org/10.1007/s11201-005-4407-6

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