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Due to risk connected to the chromium use, several companies try to find ‘true’ chromium free products to treat aluminum surfaces. Aim of this work was to evaluate and test some treatment systems for avionics applications, in order to replace standard chromate processes based on CrVI. AA2014‐T3 and AA6082‐T6 aluminum alloys were subjected to conversion coating processes based on lithium or zirconium...
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