TY - SER AU - Kashin,Oleg A. AU - Kudryashov,Andrey N. AU - Krukovsky,Konstantin V. AU - Ostapenko,Marina G. AU - Neiman,Alexey A. AU - Borisov,Dmitry P. AU - Lotkov,Aleksandr I. ED - Томский государственный университет TI - Structural phase states in nickel-titanium surface layers doped with silicon by plasma immersion ion implantation KW - никель KW - титан KW - ионная имплантация KW - сплавы KW - статьи в журналах N1 - Библиогр.: 6 назв N2 - The paper reports on a study of NiTi-based alloys used for manufacturing self-expanding intravascular stents to elucidate how the technological modes of plasma immersion ion implantation with silicon influence the chemical and phase composition of their surface layers. It is shown that two types of surface structure can be obtained depending on the mode of plasma immersion implantation: quasi-amorphous Si coating and Si-doped surface layer. The Si-doped surface layer contains new phases: a phase structured as the main B2 phase of NiTi but with a lower lattice parameter, R phase, and phase of highly dispersed SiO2 precipitates UR - http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000529022 ER -