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Wyszukujesz frazę "Burnat, M." wg kryterium: Wszystkie pola

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Wyświetlanie 1-10 z 16
Tytuł:
The spectral cutting problem
Autorzy:
Burnat, M.
Powiązania:
https://bibliotekanauki.pl/articles/1361295.pdf
Data publikacji:
1982
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Źródło:
Banach Center Publications; 1982, 8, 1; 57-62
0137-6934
Pojawia się w:
Banach Center Publications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Über zulässige Anfangswertaufgaben für quasi lineare partielle Differentialgleichungssysteme ersten Ordnung mit einer unbekannten Funktion
Autorzy:
Burnat, M.
Powiązania:
https://bibliotekanauki.pl/articles/1317668.pdf
Data publikacji:
1961
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Źródło:
Annales Polonici Mathematici; 1961, 10, 2; 135-150
0066-2216
Pojawia się w:
Annales Polonici Mathematici
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Corrosion properties of Ca-doped TiO2 coatings
Autorzy:
Burnat, B.
Robak, J.
Leniart, A.
Skrzypek, S.
Brycht, M.
Powiązania:
https://bibliotekanauki.pl/articles/283933.pdf
Data publikacji:
2014
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
biomaterials
surface modification
sol-gel method
doping
corrosion
Opis:
The paper presents the preparation and characterization of TiO2 coating doped with Ca produced by the sol-gel method using titanium alkoxide as the precursor of titania as well as calcium nitrate as dopant source. These coatings were used to modify the biomedical alloy M30NW. Using the optical microscopy and the atomic force microscopy the topography of synthesized coatings was characterized. Whereas using electrochemical methods the corrosion measurements were carried out. Anticorrosion properties of calcium-doped TiO2 coating were determined in PBS solution on the basis of corrosion potential Ecor, polarization resistance Rp, corrosion rate CR, current density in the passive range i0.5 and also breakdown Eb and repassivation Erep potentials. Analogous corrosion tests were also made for the uncoated alloy as well as for alloy coated with pure TiO2 coating. It was stated that modification of M30NW alloy surface by calcium-doped TiO2 coating shows anticorrosion properties in PBS solution. These properties are slightly lower compared to a pure TiO2 coating. The analysis of the topography of TiO2-based coatings showed that calcium doping increases the surface development and roughness of the obtained coatings.
Źródło:
Engineering of Biomaterials; 2014, 17, no. 128-129; 100-102
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Corrosion behaviour of polished and sandblasted titanium alloys in PBS solution
Autorzy:
Burnat, B.
Walkowiak-Przybyło, M.
Błaszczyk, T.
Klimek, L.
Powiązania:
https://bibliotekanauki.pl/articles/306724.pdf
Data publikacji:
2013
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
corrosion
PBS solution
polishing
sandblasting
titanium alloys
korozja
stop tytanu
piaskowanie
Opis:
In this work, we performed comparative studies of the effect of surface preparation of Ti6Al4V and Ti6Al7Nb biomedical alloys and the influence of endothelial cells on their corrosion behaviour in PBS (Phosphate Buffered Saline). Two different methods of surface modification were applied – polishing and sandblasting. The polished Ti6Al7Nb alloy was found to have the best resistance against general corrosion in PBS. It was characterized by the lowest corrosion rate, the widest passive range and the lowest reactivity. Both alloys prepared by sandblasting exhibited worse corrosion properties in comparison to the polished ones. This can be associated with a greater development of their surface and the presence of Al2O3 grains which caused an increase of corrosion potential but might also influence the weakening of the passive layer. Results of potentiodynamic anodic polarization indicated that more resistant to pitting corrosion was Ti6Al7Nb alloy regardless of the method of surface preparation. In those cases, anodic polarization caused only an increase of passive layer, while in the case of sandblasted Ti6Al4V alloy it caused a pitting corrosion. The results obtained allowed us to conclude that the niobium-titanium alloys had higher corrosion resistance than titanium alloys with vanadium. Moreover, it was stated that endothelial cells improved the corrosion resistance of all the titanium alloys examined.
Źródło:
Acta of Bioengineering and Biomechanics; 2013, 15, 1; 87-94
1509-409X
2450-6303
Pojawia się w:
Acta of Bioengineering and Biomechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Plasma oxidized Ti6Al4V and Ti6Al7Nb alloys for biomedical applications
Autorzy:
Pązik, B.
Grabarczyk, J.
Batory, D.
Kaczorowski, W.
Burnat, B.
Czerniak-Reczulska, M.
Makówka, M.
Niedzielski, P.
Powiązania:
https://bibliotekanauki.pl/articles/285637.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
titanium alloys
plasma oxidizing
tribology
wear
corrosion
Opis:
Titanium and its alloys are one of the most popular metallic materials used in medicine for many years. Their favorable mechanical properties, high corrosion resistance and good biotolerance in an environment of tissues and body fluids, cause that they are widely used as construction material of orthopaedic dental and neurological implants. Their disadvantages are poor tribological properties manifested by high coefficient of friction, scuffing and tendency to formation of adhesive couplings. In many research centers the works on improving the unfavorable tribological properties of titanium alloys are conducted. They rely on the use of modern methods of surface treatment including the thermo-chemical methods (nitriding, carburizing, oxidation) and the synthesis of thin films using PVD and CVD methods. In the presented work the glow discharge oxidation was applied to improve the surface properties of two-phase Ti6Al4V and Ti6Al7Nb titanium alloys. The results include a description of the obtained structure of the surface layer, surface topography, micro-hardness, wear ratio and corrosion resistance. The obtained results indicate changes in the surface layer of the material. The surface hardness was more than doubled and the depth of increased hardness region was up to 85 microns. This, in turn, several times decreased the wear rate of the modified materials while reducing the wear rate of the countersample. At the same time the carried out thermo-chemical treatment did not cause any structural changes in the core material. The oxidation process preferably influenced the corrosion properties of titanium alloys. Both, significant increase in the corrosion potential (approx. 0.36 V), as well as increased polarization resistance were observed. The modified surfaces also retained a high resistance to pitting corrosion.
Źródło:
Engineering of Biomaterials; 2016, 19, 135; 8-12
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of thermochemical treatment methods on pitting corrosion resistance of Ti6Al4V alloy
Autorzy:
Czerniak-Reczulska, M.
Burnat, B.
Grabarczyk, J.
Powiązania:
https://bibliotekanauki.pl/articles/285526.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
Ti6Al4V alloy
corrosion
thermochemical treatment
Źródło:
Engineering of Biomaterials; 2016, 19, 138; 71
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 16

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