Development of Green Sealing Technology of Anodized Aluminum Alloys

New green sealing technology of anodic aluminum oxide film is summarized,with the emphasis on processes of rare earth sealing,sol sealing and hydration sealing with microwaves.The sealing mechanisms of these three new green sealing technology are briefly presented.and the development of more sealing technology of anodized aluminum alloys which is green,effective and easy for commercial production is proposed.