Phase formation during air annealing of Ti-Ni-Ti laminate / E. S. Marchenko, Yu. F. Yasenchuk, G. A. Baygonakova [et al.]

Уровень набора: Surface and Coatings TechnologyАльтернативный автор-лицо: Marchenko, E. S., Ekaterina Sergeevna;Yasenchuk, Yu. F., Yury Fedorovich;Baygonakova, G. A., Gulsharat Amanboldynovna;Gyunter, S. V., Sergey Viktorovich;Yuzhakov, M. M., specialist in the field of non-destructive testing, Associate Scientist of Tomsk Polytechnic University, 1981-, Mikhail Mikhaylovich;Zenkin, S. P., physicist, Researcher of Tomsk Polytechnic University, 1988-, Sergey Petrovich;Potekaev, A. I., Aleksandr Ivanovich;Dubovikov, K. M., Kirill MaksimovichКоллективный автор (вторичный): Национальный исследовательский Томский политехнический университет, Исследовательская школа физики высокоэнергетических процессов, (2017- );Национальный исследовательский Томский политехнический университет, Инженерная школа неразрушающего контроля и безопасности, Научно-производственная лаборатория "Медицинская инженерия"Язык: английский.Резюме или реферат: The gradient coating synthesized on a nickelide titanium sample by sputtering a three-layer Ti-Ni-Ti laminate and annealing in air at 950–1000 °? was studied by XRD, SEM, TEM, and AFM methods. The thickness of the sputtered laminate layers was chosen equal to 0.5–1.0 µm to study the composition, structure and sequence of formation of the crystalline phases of the gradient coating. This thickness was sufficient for SEM and TEM studies and admissible large for XRD studies of phase composition. SEM and TEM techniques were used to determine the depth and patterns of grains occurrence of titanium carbonitrides. TEM and XRD techniques revealed that reactive synthesis of the coating is followed by transformation of the external amorphous layer of deposited titanium into heterogeneous crystalline titanium oxides. Crystallization of the oxide phase causes an increase in the volume of the external layer and intergranular cracking of the surface. AFM method showed an island microrelief of the external titanium layer formed during synthesis. The reaction synthesis of a multilayer laminate allows obtaining multifunctional nano-structured multilayer coatings with high chemical, mechanical and tribological characteristics, which ensures bioinertness of the surface of titanium nickelide implants..Примечания о наличии в документе библиографии/указателя: [References: 32 tit.].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | laminate | gradient coating | surface energy | wettability | synthesis | biocompatibility | градиентные покрытия | поверхностная энергия | смачиваемость | синтез | биосовместимость Ресурсы он-лайн:Щелкните здесь для доступа в онлайн
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[References: 32 tit.]

The gradient coating synthesized on a nickelide titanium sample by sputtering a three-layer Ti-Ni-Ti laminate and annealing in air at 950–1000 °? was studied by XRD, SEM, TEM, and AFM methods. The thickness of the sputtered laminate layers was chosen equal to 0.5–1.0 µm to study the composition, structure and sequence of formation of the crystalline phases of the gradient coating. This thickness was sufficient for SEM and TEM studies and admissible large for XRD studies of phase composition. SEM and TEM techniques were used to determine the depth and patterns of grains occurrence of titanium carbonitrides. TEM and XRD techniques revealed that reactive synthesis of the coating is followed by transformation of the external amorphous layer of deposited titanium into heterogeneous crystalline titanium oxides. Crystallization of the oxide phase causes an increase in the volume of the external layer and intergranular cracking of the surface. AFM method showed an island microrelief of the external titanium layer formed during synthesis. The reaction synthesis of a multilayer laminate allows obtaining multifunctional nano-structured multilayer coatings with high chemical, mechanical and tribological characteristics, which ensures bioinertness of the surface of titanium nickelide implants.

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