chemical conversion coating

chemical conversion coating

[′kem·i·kəl kən′vər·zhən ‚kōd·iŋ]
(metallurgy)
A protective or decorative coating formed on the surface of a metal as the result of chemical reaction of the metal with a selected environment.
References in periodicals archive ?
W., "Novel Ti/Zr Based Non-Chromium Chemical Conversion Coating for the Corrosion Protection of Electrogalvanized Steel," International Journal of Electrochemical Science, 6: 4853-67, 2011
Anode oxidation, microarc oxidation, chemical conversion coating, plating, and so on have been widely performed to protect aluminum and aluminum alloys from corrosion [4-7].
Jang, "Surface characteristics of chemical conversion coating for Mg-Al alloy," Transactions of Nonferrous Metals Society of China, vol.
Zeng, "Performance of oxalate chemical conversion coating on magnesium alloy," Materials Protection, vol.
It may also be applied directly to metal using a chemical conversion coating per MIL-C5541.
Zhang et al., "Corrosion resistance of cerium-doped zinc calcium phosphate chemical conversion coatings on AZ31 magnesium alloy," Transactions of Nonferrous Metals Society of China, vol.
Xiao, and Y.-P Lu, "Phosphate chemical conversion coatings on metallic substrates for biomedical application: A review," Materials Science and Engineering C: Materials for Biological Applications, vol.
* Available clear and yellow chemical conversion coatings for electromagnetic interference (EMI) shielding, creating and maintaining electrical continuity as a path for grounding--the coatings prevent corrosion from becoming an insulator and potentially negating EMI shield effectiveness.
"The product is also designed to work with conventional pretreatments commonly used in the aircraft industry, such as MIL-C-5541 chemical conversion coatings."
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