Zobrazeno 1 - 10
of 15
pro vyhledávání: '"J. C. Mirza-Rosca"'
Autor:
D. N. Avram, C. M. Davidescu, M. L. Dan, E. M. Stanciu, A. Pascu, J. C. Mirza-Rosca, H. Iosif
Publikováno v:
Annals of "Dunarea de Jos" University of Galati, Fascicle XII, Welding Equipment and Technology, Vol 33, Iss 1, Pp 107-111 (2022)
In this research, the electrochemical evaluation of NiCr/Ti laser cladded coatings in simulated polymer electrolyte membrane fuel cells (PEMFCs) environment was investigated. The Laser Cladding technique was used to develop protective coatings on mil
Externí odkaz:
https://doaj.org/article/3a4e924f4fde435a8b5f4c62358a9095
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 1262:012025
Over the years, we have seen how, thanks to experimentation on animal models, the foundations have been laid in the field of implantology. In most cases, studies related to the bone scale are carried out on the species that are most similar in their
Publikováno v:
Corrosion Science. 65:431-440
A new quaternary Ti–20Nb–10Zr–5Ta alloy with β-near microstructure was obtained. Its native passive film composition and its modification and corrosion resistance after 2000 immersion hours in simulated biofluids were studied. The native film
Publikováno v:
Materials and Corrosion. 63:527-533
The properties of the surface films formed on Ti and its Ti–5Al–4V and Ti–6Al–3.5Fe alloys by chemical (immersion in 10 M NaOH) and thermal treatment (500 °C) were studied in this paper. Their corrosion behaviour in Ringer solution was inves
Autor:
Marcela Popa, Cora Vasilescu, Paula Drob, Doina Raducanu, Ecaterina Vasilescu, Daniel Mareci, J. C. Mirza Rosca, Ion Cinca, J.M. Calderon Moreno
Publikováno v:
Corrosion Science. 51:2885-2896
Ti6Al4V-ELI alloy was plastically deformed at elevated temperatures in the range of β and α + β fields and was subsequently heat treated; so that five different alloys were obtained. The corrosion resistance of these alloys was studied in Ringer s
Autor:
J.M. Calderon Moreno, Cora Vasilescu, Daniel Mareci, Marcela Popa, J. C. Mirza Rosca, Paula Drob, Ecaterina Vasilescu, Steliana Ivanescu
Publikováno v:
Materials and Corrosion. 60:949-956
A new implant Ti–7Al–3V–2Mo–2Fe alloy was elaborated and its behaviour in Ringer–Brown and Ringer solutions (of different pH values) was studied using cyclic potentiodynamic and linear polarisation, electrochemical impedance spectroscopy (E
Autor:
D. Cojocaru, Mihai V. Popa, Paula Drob, J. C. Mirza Rosca, Doina Raducanu, Cora Vasilescu, Ecaterina Vasilescu, Steliana Ivanescu
Publikováno v:
Materials and Corrosion. 59:919-928
The mechanical properties of Ti6Al7Nb alloy deformed and heat treated at elevated temperatures were correlated with its microstructure and corrosion behaviour in Ringer (of different pH values: 2.49, 6.9 and 8.9) and Ringer–Brown solutions. Microst
Publikováno v:
Materials and Corrosion. 58:848-856
In the last decade, new titanium alloys have been developed in different areas of dentistry, such as Ti6Al7Nb, Ti6Al2Nb1Ta1Nb, and Ti5Al2.5Fe. The aim of this study was to compare the Ti6Al7Nb, Ti6Al2Nb1Ta1Nb, Ti5Al2.5Fe, and Ti6Al4V alloys with the
Autor:
J. Rodriguez Castro, Cora Vasilescu, A. Santana Lopez, Paula Drob, Ecaterina Vasilescu, J. C. Mirza Rosca, E.D. Herrera Santana
Publikováno v:
Materials and Corrosion. 56:692-696
The properties of the anodic oxide films formed on titanium and its implant alloys Ti-5Al-4V and Ti-6Al-4Fe are investigated in this paper. Anodic oxide films were prepared by electrochemical treatment in 3M sulphuric acid solution at 60 V for 1 min,
Publikováno v:
Journal of Solid State Electrochemistry. 6:119-125
The corrosion and passivation of Zn powder particles dispersed in a paste electrode immersed in 0.5 M Na2SO4 and 5×10–3 M Na2HPO4 solutions were studied mainly by electrochemical impedance spectroscopy. The role played by diffusion in the mechanis