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Wyszukujesz frazę "titanium carbonitride" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Combustion Synthesis of Titanium Carbonitrides
Autorzy:
Dyjak, S.
Wasilewska, M.
Cudziło, S.
Powiązania:
https://bibliotekanauki.pl/articles/358421.pdf
Data publikacji:
2015
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:
combustion synthesis
titanium carbonitride
ceramics
refractory materials
Opis:
Titanium carbonitride (TiC0.5N0.5) micron powders were synthesized in reactions of titanium with zinc dicyanide: Zn(CN)2 + 4Ti → 4TiC0.5N0.5 + Zn. The reactions are sufficiently exothermic to propagate in the reactant mixture to form a self-sustaining, high-temperature synthesis (SHS). The final product was separated and the only byproduct (zinc) was removed by dissolution in dilute hydrochloric acid. The use of zinc dicyanide as the source of carbon and nitrogen causes the titanium carbonitride to contain only these elements in an atomic ratio of one. The reaction temperature can be easily reduced by the addition of zinc powder to the green mixture. Synthesis in the presence of zinc yields TiC0.5N0.5 powders consisting of round-shaped and unagglomerated particles.
Źródło:
Central European Journal of Energetic Materials; 2015, 12, 2; 249-259
1733-7178
Pojawia się w:
Central European Journal of Energetic Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Possibilities of applying Ti (C, N) coatings on prosthetic elements : research with the use of human endothelial cells
Autorzy:
Banaszek, K.
Wiktorowska-Owczarek, A.
Kowalczyk, E.
Klimek, L.
Powiązania:
https://bibliotekanauki.pl/articles/306892.pdf
Data publikacji:
2016
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
materiały stomatologiczne
stopy stomatologiczne
węglikoazotki tytanu
powłoka
cellviability
microvascular endothelial cells
Ni-Cr
dental alloys
titanium carbonitride
Ti(C, N)
coating
Opis:
Purpose: The aim of our study was to examine the effect of prosthetic alloys with Ti (C, N) coatings on viability and pro life ration of human cells employing an MTT assay with the use of human microvascular endothelial cells derived from the skin – HMEC-1 (Human Microvascular Endothelial Cells-1). Methods: Cylindrical shape samples made of Ni-Cralloy were divided into S1-S5 groups and coated with Ti (C, N) layers with different content of C and N. S0 group – control group without layer. The alloys (S0-S5) were stored in an experimental medium (MCDB131 with antibiotics) for 30 days and then HMEC-1 cells were incubated in the alloy extract for 24 and 96 hours. Next, cell viability was determined using MTT method. Results: In the case of samples incubated for both 24 and 96 hours there are statistically significant differences (with p-value <0.05) between the uncoated samples (S0 group) and all the other Ti (C, N) coated samples. Higher absorbance values were observed in all coated groups than in the control S0 group, where cell growth was statistically significantly lower. Conclusions: During incubation of endothelial cells with coated samples the number of cells was significantly bigger than the number with uncoated alloys. The best viability of cells was obtained from the S = 3 (with 51.94% at. Ti, 28.22% at. C and 19.84% at. N) group of samples. Ti (C, N) coatings may be applied as protective components on prosthetic elements made of base metal alloys.
Źródło:
Acta of Bioengineering and Biomechanics; 2016, 18, 1; 129-136
1509-409X
2450-6303
Pojawia się w:
Acta of Bioengineering and Biomechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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