Properties of APCVD aluminum coatings - An environmentally acceptable replacement for electroplated cadmium coatings

Elizabeth Berman, Eric Brooman, John Kleek, John Beatty, Roland Levy, Sungmin Maeng, Dennis Deavenport, Fernando Gómez, Sam Newberg, Stephen Gaydos

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A physical vapor deposition process - known as ion vapor deposition - is used by USAF Air Logistics Centers to deposit aluminum as a replacement for cadmium coatings, because of the toxicity and regulation of cadmium. However, IVD aluminum coatings do not provide equivalent corrosion protection, or lubricity when used on fasteners. An atmospheric pressure, chemical vapor deposition method is being evaluated to provide coatings with acceptable performance. The properties of APCVD aluminum coatings on high-strength steel substrates are presented and compared to those for IVD aluminum, as well as electroplated aluminum coatings. The advantages and disadvantages of the different types of coating are discussed.

Original languageEnglish (US)
Title of host publicationNational Association for Surface Finishing Annual International Technical Conference, SUR/FIN 2008
Pages144-161
Number of pages18
StatePublished - 2008
EventNational Association for Surface Finishing Annual International Technical Conference, SUR/FIN 2008 - Indianapolis, IN, United States
Duration: Jun 16 2008Jun 18 2008

Publication series

NameNational Association for Surface Finishing Annual International Technical Conference, SUR/FIN 2008

Other

OtherNational Association for Surface Finishing Annual International Technical Conference, SUR/FIN 2008
CountryUnited States
CityIndianapolis, IN
Period6/16/086/18/08

All Science Journal Classification (ASJC) codes

  • Surfaces, Coatings and Films

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