Accession Number : ADA563067


Title :   Effect of Chromate and Chromate-Free Organic Coatings on Corrosion Fatigue of an Aluminum Alloy


Descriptive Note : Final rept. 1 Feb 2009-31 Jan 2012


Corporate Author : KARPENKO PHYSICO-MECHANICAL INST LVIV (UKRAINE)


Personal Author(s) : Pokhmurskii, Vasyl


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a563067.pdf


Report Date : 20 Feb 2012


Pagination or Media Count : 96


Abstract : Effect of chromate and chromate-free and their compositions on the protective properties of organic coatings on cyclically stressed aluminum alloys was studied. Strontium chromate pigment, zinc phosphate pigment, calcium ion exchange silica pigment, natural bentonite, natural zeolite and Ca-ion exchanged and Zn-ion exchanged zeolites were studied as aluminum alloy corrosion inhibitors in organic coatings. Experimental methods included electrochemical impedance spectroscopy method (EIS), DC polarization, optical microscopy and scanning electron microscopy (SEM) with EDX analysis, corrosion fatigue and tribocorrosion tests.


Descriptors :   *ALUMINUM ALLOYS , *COATINGS , *CORROSION INHIBITION , CHROMATES , FATIGUE(MECHANICS)


Subject Categories : Coatings, Colorants and Finishes
      Properties of Metals and Alloys


Distribution Statement : APPROVED FOR PUBLIC RELEASE