2001
DOI: 10.1016/s0257-8972(01)01004-0
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An XPS study of cerium dopants in sol–gel coatings for aluminum 2024-T3

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Cited by 183 publications
(77 citation statements)
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“…1,3,[10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25] Amongst the alternative pre-treatments one of the most promising involves rare earth metals, particularly Ce. conversion layers (CeCL) on Al alloys started to be investigated in the mid 80's by Hinton and co-workers.…”
Section: Introductionmentioning
confidence: 99%
“…1,3,[10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25] Amongst the alternative pre-treatments one of the most promising involves rare earth metals, particularly Ce. conversion layers (CeCL) on Al alloys started to be investigated in the mid 80's by Hinton and co-workers.…”
Section: Introductionmentioning
confidence: 99%
“…The application of this type of layer can provide an intelligent release of the corrosion inhibitor, as the permeability of the polyelectrolyte assemblies can be regulated by pH, humidity, light, and so forth [21][22][23][24][25]. A change in pH is a more preferable trigger for corrosion protection systems since, as is well known, corrosion activity leads to local changes in International Journal of Corrosion pH in the cathodic and anodic areas [31]. A "smart" coating that contains polyelectrolyte reservoirs may use the corrosion reaction to release the corrosion inhibitor.…”
Section: Resultsmentioning
confidence: 99%
“…Os resultados de EIE para as amostras serão apresentados no primeiro tempo de imersão (0 minuto) e após 72 horas de imersão e sempre em comparação com o primeiro momento do ensaio de corrosão para a liga ZnFe. 4 Hz para a amostra contendo BTESPTS somente a outra entre 10 3 e 10 5 Hz para a amostra de BTESPT+BTSE.…”
Section: Resultsunclassified
“…As atuais alternativas à substituição do Cr +6 em processos de passivação, tais como a deposição de molibdatos, a preparação de materiais híbridos organo-inorgânicos através do processo sol-gel e a deposição de filmes contendo sais de terras raras, apresentam prós e contras, quando propriedades como resistência à corrosão, adesão de revestimentos orgânicos, resistência à fadiga, desempenho e controle de qualidade, são considerados. Entretanto, algumas dessas alternativas apresentam potencial de uso, caso algumas melhorias sejam feitas [1,[4][5][6][7][8][9][10][11][12][13][14].…”
unclassified