Zobrazeno 1 - 10
of 86
pro vyhledávání: '"Ecaterina Vasilescu"'
Autor:
Mihai V. Popa, Ecaterina Vasilescu, Paula Drob, Cora Vasilescu, Silviu I. Drob, Daniel Mareci, Julia C. Mirza Rosca
Publikováno v:
Química Nova, Vol 33, Iss 9, Pp 1892-1896 (2010)
The corrosion resistance of the new Ti-6Al-4V-1Zr alloy in comparison with ternary Ti-6Al-4V alloy in Ringer-Brown solution and artificial Carter-Brugirard saliva of different pH values was studied. In Ringer-Brown solution, the new alloy presented a
Externí odkaz:
https://doaj.org/article/17b496994c0d477f9dd2c355be0059ef
Autor:
Ecaterina Vasilescu, Cora Vasilescu, Petre Osiceanu, I. Dan, Maria Marcu, J.M. Calderon Moreno, Ion Alexandru Popovici, Silviu Preda, Mariana Prodana, Marcela Popa, Silviu Iulian Drob, Daniela Ionita
Publikováno v:
Materials Science and Engineering: C. 71:322-334
The novel Ti-20Zr-5Ta-2Ag alloy was characterised concerning its microstructure, morphology, mechanical properties, its passive film composition and thickness, its long-term electrochemical stability, corrosion resistance, ion release rate in Ringer
Autor:
Petre Osiceanu, Jose Maria Calderon Moreno, Ecaterina Vasilescu, Maria Marcu, Silviu Iulian Drob, Daniela Ionita, Ioana Demetrescu, Ion Alexandru Popovici, Mariana Prodana, Cora Vasilescu
Publikováno v:
Metallurgical and Materials Transactions A. 48:513-523
A new Ti-20Zr-5Ta-2Ag alloy was elaborated and characterized regarding its microstructure, its native passive film composition and thickness, its surface wettability, its electrochemical behavior in Ringer solution of different pH values, and its ion
Autor:
Ioana Demetrescu, Cora Vasilescu, Mihai Andrei, J.M. Calderon Moreno, Ecaterina Vasilescu, Silviu Iulian Drob
Publikováno v:
Materials and Corrosion. 67:739-747
In this paper, the microstructure, mechanical and anticorrosive properties of the new CoCrNbMoZr alloy were studied in comparison with those of the commercial CoCrMo, Heraenium CE alloy. SEM and XRD techniques were used to evince the microstructure,
Autor:
J.M. Calderon Moreno, Monica Popa, Cora Vasilescu, Silviu Iulian Drob, Paula Drob, Maria Marcu, Ecaterina Vasilescu, Petre Osiceanu
Publikováno v:
Corrosion Science. 93:310-323
The native passive film on the new Ti–15Ta–5Zr alloy surface contains the protective TiO2, Ta2O5 and ZrO2 oxides (XPS analysis). The decrease of the corrosion current densities and the increase of the polarisation resistances values signify the t
Autor:
D.M. Gordin, Paula Drob, Cora Vasilescu, Thierry Gloriant, Ecaterina Vasilescu, Silviu Iulian Drob
Publikováno v:
JOM. 67:818-829
We applied a new nitrogen-implantation technique (trademark Hardion+) using a source of nitrogen ions, electron cyclotron resonance that assures higher energy and deeper implantation than the conventional techniques. The N-implantation surface of the
Autor:
Paula Drob, Petre Osiceanu, Cora Vasilescu, Silviu Preda, Jose Maria Calderon Moreno, Ecaterina Vasilescu, Silviu Iulian Drob, Steliana Ivanescu
Publikováno v:
Metals and Materials International. 21:242-250
This paper describes the synthesis of a novel Ti-15Ta-5Zr alloy with an α + s stable, homogeneous, biphasic microstructure (by optical microscopy, X-ray diffraction and scanning electron microscopy) and the determination of its mechanical properties
Autor:
Cora Vasilescu, Petre Osiceanu, Silviu Iulian Drob, Paula Drob, Jose M. Calderon-Moreno, Ecaterina Vasilescu
Publikováno v:
Materials and Corrosion. 66:971-981
The new Ti-15Ta-5Zr alloy revealed a homogeneous bi-phase α + β microstructure without inclusions or secondary phases. The alloy native passive film contains both Ti2O3, and TiO2 oxides and very resistant Ta2O5 and ZrO2 oxides (X-ray photoelectron
Autor:
Monica Popa, Cora Vasilescu, Paula Drob, Ecaterina Vasilescu, Steliana Ivanescu, Silviu Iulian Drob, Jose M. Calderon-Moreno, Silviu Preda, Petre Osiceanu
Publikováno v:
Journal of Alloys and Compounds. 612:398-410
A novel ternary Ti–15Zr–10Nb alloy with innovative microstructural and mechanical properties and very good long-term corrosion resistance in simulated physiological solutions was studied in this paper. Optical and scanning electron microscopy (SE
Autor:
Monica Popa, Adrian Ionut Nicoara, Andreea Cristiana Didilescu, Mihaela Mindroiu, Mihai Andrei, Ecaterina Vasilescu, Claudiu Constantin Manole, Ioana Bunoiu
Publikováno v:
Annals of anatomy = Anatomischer Anzeiger : official organ of the Anatomische Gesellschaft. 217
There is a recent trend in tissue engineering and regenerative medicine to use nanotechnology and bionanomaterials to obtain materials that mimic the surface properties of a natural tissue. From this perspective, nanolevel tissue engineering can be v