{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,3]],"date-time":"2026-05-03T06:26:23Z","timestamp":1777789583429,"version":"3.51.4"},"reference-count":39,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2024,1,1]],"date-time":"2024-01-01T00:00:00Z","timestamp":1704067200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/100012046","name":"vietnam academy of science and technology","doi-asserted-by":"publisher","award":["VAST03.02\/22-23"],"award-info":[{"award-number":["VAST03.02\/22-23"]}],"id":[{"id":"10.13039\/100012046","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Applied Biomaterials &amp; Functional Materials"],"published-print":{"date-parts":[[2024,1]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives:<\/jats:title>\n                    <jats:p>The primary objective of this study is using an anodizing intermediate layer to improve corrosion resistance and adhesion of hydroxyapatite coated AZ31 alloy for applications in biodegradable implants.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>\n                      An anodizing intermediate layer was formed on the surface of AZ31 substrate at various anodizing voltage of 10, 20, 30, and 40\u2009V respectively by anodizing process. HAp was grow on the surface of AZ31 substrate at 90\u00b0C and pH solution of 7.5 by chemical solution treatment method for 2\u2009h. The coated samples were evaluated their corrosion behavior by Electrochemical measurements and biodegradation behavior by immersion test in Hank\u2019s balanced salts solution (HBSS) for 28\u2009days via amount of Mg\n                      <jats:sup>2+<\/jats:sup>\n                      ion released. While, their adhesion strength were evaluated by pull-off method. The amount of Mg\n                      <jats:sup>2+<\/jats:sup>\n                      ions released of the samples was quantified by the Inductively coupled plasma mass spectrometry.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>An anodizing intermediate layer was successfully synthesized at various voltages by anodizing process and HAp coatings were prepared by chemical solution treatment method. The corrosion rate of hydroxyapatite coated AZ31 alloy with an anodizing intermediate layer decreased 4.4 times, while adhesion strength increased about two times compared to the HAp coated AZ31 specimen without an anodizing layer and achieved ~14.70, ~6.92\u2009MPa, respectively. After immersion test in HBSS, the adhesion strength of HAp\/AZ31-HBSS-specimen decrease to 45% because of large corroded areas with depth holes of hundreds of micrometers. The slighter decrease in adhesion strength of HAp\/30V\/AZ31-HBSS-specimen to 22% is due to the contribution of the anodizing intermediate layer.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>HAp coated AZ31 alloy specimen with the existence of a porous structure with an elliptical shape, uniform and high density of MgO on the surface at anodizing voltage of 30\u2009V resulted in a significant increase in corrosion resistance and the adhesion strength of HAp coatings.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/22808000241271693","type":"journal-article","created":{"date-parts":[[2024,10,17]],"date-time":"2024-10-17T14:23:27Z","timestamp":1729175007000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":3,"title":["Improvement of corrosion resistance and adhesion of hydroxyapatite coating on AZ31 alloy by an anodizing intermediate layer"],"prefix":"10.1177","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9792-5613","authenticated-orcid":false,"given":"Anh Tuyet","family":"Thi Ngo","sequence":"first","affiliation":[{"name":"Institute of Materials Science, Vietnam Academy of Science and Technology, Cau Giay District, Hanoi, Viet Nam"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Linh","family":"Do Chi","sequence":"additional","affiliation":[{"name":"Institute of Materials Science, Vietnam Academy of Science and Technology, Cau Giay District, Hanoi, Viet Nam"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hanh","family":"Hong Pham","sequence":"additional","affiliation":[{"name":"Institute of Materials Science, Vietnam Academy of Science and Technology, Cau Giay District, Hanoi, Viet Nam"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"San Thy","family":"Pham","sequence":"additional","affiliation":[{"name":"Institute of Materials Science, Vietnam Academy of Science and Technology, Cau Giay District, Hanoi, Viet Nam"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luong Van","family":"Duong","sequence":"additional","affiliation":[{"name":"Institute of Materials Science, Vietnam Academy of Science and Technology, Cau Giay District, Hanoi, Viet 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