Sealing solutions, primers and sealants containing Cr(VI) have been in use in DOD (Department of Defense) for the past several decades. Though Cr(VI) has excellent corrosion inhibitive characteristics, it is a known carcinogen. The EPA(Environmental Protection Agency) and
OSHA(Occupational Safety and Health Administration) regulations require that the DOD, DoE(Department of Energy) and industries eliminate the use of toxic substances such as those containing Cr(VI). For the past several years, many researchers have been working to find a suitable substitute for Cr(VI). However, in the opinion of the authors, the research findings reported thus far have not yet found a viable substitute for Cr(VI). The present research addresses this issue in two phases...
Keywords : Aluminum, anodizing, corrosion, inhibitor, sealing.