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Hardness and Wear Characteristics for a New Non-Fluoride High Efficiency Chromium Plating Chemistry
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English
Abstract
Historically, hard chromium plating has been limited to the conventional 12-16% efficient chemistry developed by Fink and Eldridge in 1926 and to the mixed catalyst 20-25% efficient chemistry developed in the early 1950's. Recent discoveries have now led to a new non-fluoride high efficiency chromium chemistry which gives deposits with surprisingly consistent physical properties over a wide range of bath operating conditions. In this paper the microhardness and Falex sliding wear characteristics of the new chromium deposits will be compared with those for the conventional chemistry over a wide range of bath operating parameters which include composition, current density and temperature.
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Authors
Citation
Newby, K. and Jones, A., "Hardness and Wear Characteristics for a New Non-Fluoride High Efficiency Chromium Plating Chemistry," SAE Technical Paper 890914, 1989, https://doi.org/10.4271/890914.Also In
References
- Fink C.G. U.S. patent 1,581,188 1926
- Fink C.G. U.S. patent 1,802,463 1931
- Lowenheim Modern Electroplating 3rd John Wiley & Sons New York, NY 1953
- Fink C.G. McLesse H.D. U.S. patent 1,844,751 1932
- Stareck J.E. Passal F. Mahistedt H. Proc. AES, 37, 31 1950
- HEEF-25 M&T Chemicals Inc. Rahway, NJ
- Jones A.R. AESF SurFin conference, 1987 paper number 18760 also accepted for Publication in Plating and Surface Finishing
- Newby K.R. AESF Chromium Colloquium 1987
- Jones A.R. Unpublished data
- Morisset Chromium Plating, Draper Ltd. 1954
- Newby K.R. Unpublished data