Hydroxyapatite coating on biodegradable AZ31 and Mg-Ca alloys prepared by RF-magnetron sputtering

Hydroxyapatite coating on biodegradable AZ31 and Mg-Ca alloys prepared by RF-magnetron sputtering

Bibliografske podrobnosti
Parent link:	AIP Conference Proceedings Vol. 1688 : New Operational Technologies.— 2015.— [030006 , 5 p.]
Korporativna značnica:	Национальный исследовательский Томский политехнический университет (ТПУ) Физико-технический институт (ФТИ) Кафедра теоретической и экспериментальной физики (ТиЭФ) Центр технологий (ЦТ)
Drugi avtorji:	Mukhametkaliev T. M. Timur Mukhamedrashidovich, Surmeneva M. A. Maria Alexandrovna, Surmenev R. A. Roman Anatolievich, Mathan B. K.
Izvleček:	Title screen A thin film of hydroxyapatite (HA) was deposited on AZ31 and Mg-Ca alloys by using radio frequency (RF) magnetron sputtering. The thickness of the HA coating was determined to be 750 nm. The phase composition, microstructure, and surface morphology of the HA coatings were investigated using X-ray diffraction and scanning electron microscopy. In vitro degradation behaviour of the HA coated alloys was evaluated in simulated body fluid (SBF) and 3.5wt.% NaCl solution using electrochemical method. The coatings homogeneously covered the entire surface of the substrates. The coating structure corresponded to a nanostructured HA. The ultrathin coating significantly improved the degradation resistance of the alloy. Nanocrystalline HA coating significantly improved the corrosion resistance of the Mg-Ca and AZ31 magnesium alloys. The polarization resistance (Rp) of the coated Mg-Ca alloy was more than two-order of magnitude higher and the corrosion current density Icorr reduced by ~ 98% as compared to the base alloy. Режим доступа: по договору с организацией-держателем ресурса
Jezik:	angleščina
Izdano:	2015
Teme:	электронный ресурс труды учёных ТПУ
Online dostop:	http://dx.doi.org/10.1063/1.4936001
Format:	Elektronski Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=647917

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