Model of Heterogeneous Material Dissolution in Simulated Biological Fluid; AIP Conference Proceedings; Vol. 1683 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures

Model of Heterogeneous Material Dissolution in Simulated Biological Fluid; AIP Conference Proceedings; Vol. 1683 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures

Bibliographic Details
Parent link:	AIP Conference Proceedings Vol. 1683 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures.— 2015.— [020019, 7 p.]
Main Author:	Knyazeva A. G. Anna Georgievna
Corporate Author:	Национальный исследовательский Томский политехнический университет (ТПУ) Институт физики высоких технологий (ИФВТ) Кафедра физики высоких технологий в машиностроении (ФВТМ)
Other Authors:	Gutmanas E. Y.
Summary:	Title screen In orthopedic research, increasing attention is being paid to bioresorbable/biodegradable implants as analternative to permanent metallic bone healing devices. Biodegradable metal based implants possessing high strength andductility potentially can be used in load bearing sites. Biodegradable Mg and Fe are ductile and Fe possess high strength,but Mg degrades too fast and Fe degrades too slow, Ag is a noble metal and should cause galvanic corrosion of the moreactive metallic iron – thus, corrosion of Fe can be increased. Nanostructuring should results in higher strength and canresult in higher rate of dissolution/degradation from grain boundaries. In this work, a simple dissolution model ofheterogeneous three phase nanocomposite material is considered – two phases being metal Fe and Ag and the third –nanopores. Analytical solution for the model is presented. Calculations demonstrate that the changes in the relativeamount of each phase depend on mass exchange and diffusion coefficients. Theoretical results agree with preliminaryexperimental results. Режим доступа: по договору с организацией-держателем ресурса
Language:	English
Published:	2015
Subjects:	электронный ресурс труды учёных ТПУ гетерогенные материалы растворение моделирование биологические жидкости биоразлагаемые материалы имплантанты металлические имплантаты ортопедия
Online Access:	http://dx.doi.org/10.1063/1.4936014
Format:	Electronic Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=645965

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