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International Journal of Engineering، جلد ۲۷، شماره ۶، صفحات ۹۳۹-۹۴۴
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عنوان انگلیسی Electrodeposition of Nano Hydroxyapatite Coating on Biodegradable Mg-Zn Scaffold (TECHNICAL NOTE)
چکیده انگلیسی مقاله Magnesium has been recently recognized as a biodegradation metal for bone substitute application. In the present work, porous magnesium-zinc scaffolds were prepared by powder metallurgical process and nano hydroxyapatite (HAP) coating on the Mg-3Zn (wt.%) scaffold was prepared by pulse electrodeposition and alkali treatment processes to improve the corrosion resistance of scaffold. The results indicated the as-deposited coating consists of HAP, DCPD and OCP with needle-like and plate-like structures and the post-treated coating was composed of needle-like particles of nano HAP that developed almost perpendicularly to the substrate. Electrochemical tests showed that the corrosion potential of scaffold significantly increased from –1.475 to –1.365 V and the corrosion current density reduced 1.5-fold in comparison to the scaffold modified by nano hydroxyapatite coating.
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نویسندگان مقاله zahra sadat seyedraoufi |
School of Materials and Metallurgy, Iran University of Science and Technology (IUST)

نشانی اینترنتی http://www.ije.ir/article_72326_ad3e16bc5983bfede24b5cf154456ef2.pdf
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زبان مقاله منتشر شده en
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