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It avoids hydrothermal autoclave conditions, which strongly limit wide industrial application of such coating systems, and the presence of carbonate ions in the electrolyte, which lead to the formation of \u201cpassive\u201d non-functionalizable LDH. A combination of chelating agents (sodium diethylenetriamine-pentaacetate (DTPA) and salicylate) were introduced to the treatment solution. The role of each additive and the influence of treatment bath composition on the LDH formation processes are discussed. A synergistic effect of DTPA and salicylate during LDH formation is discovered and its possible explanation is proposed.<\/jats:p>","DOI":"10.1038\/s41598-020-65396-0","type":"journal-article","created":{"date-parts":[[2020,5,26]],"date-time":"2020-05-26T10:02:38Z","timestamp":1590487358000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":44,"title":["Use of synergistic mixture of chelating agents for in situ LDH growth on the surface of PEO-treated AZ91"],"prefix":"10.1038","volume":"10","author":[{"given":"E.","family":"Petrova","sequence":"first","affiliation":[]},{"given":"M.","family":"Serdechnova","sequence":"additional","affiliation":[]},{"given":"T.","family":"Shulha","sequence":"additional","affiliation":[]},{"given":"S. V.","family":"Lamaka","sequence":"additional","affiliation":[]},{"given":"D. C. 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