Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Elena Ionela Neacsu"'
Autor:
Loredana Preda, Sorina Alexandra Leau, Cristina Donath, Elena Ionela Neacsu, Monica Elisabeta Maxim, Veronica Sătulu, Alexandru Paraschiv, Maria Marcu
Publikováno v:
Metals, Vol 13, Iss 11, p 1881 (2023)
The corrosion resistance of two cast CoCr-based alloys with different amounts of chromium and with different alloying elements in the bulk composition of the alloy was assessed. In this study, we investigated the corrosion behavior of Co21Cr8Mo7W and
Externí odkaz:
https://doaj.org/article/98428b411b9c468ca032c041b4eeb14b
Autor:
Ana-Maria Popescu, Olga Demidenko, Kazimir Yanushkevich, Cristina Donath, Elena Ionela Neacsu, Virgil Constantin
Publikováno v:
Journal of the Mexican Chemical Society. 66
The corrosion behaviour of SR355JR and S355J2 carbon steels exposed to different seawaters (Black, Aegean and Mediterranean Sea) has been investigated by polarization measurements. The corresponding corrosion parameters were calculated. Micrographic
Autor:
Virgil Constantin, Elena Ionela Neacsu, Cristina Donath, Mihai Anastasescu, Kazimir Yanushkevich, Ana-Maria Popescu
Publikováno v:
Revista de Chimie. 71:207-219
Corrosion behavior of Ti-6Al-4V alloy was investigated by anodic polarization curves in LiF-NaF-KF molten salts mixture at 823K. The surface alloy (native composition and its modification and corrosion resistance after 4 hours immersion) was studied
Autor:
Virgil Constantin, Marian Burada, Ana-Maria Popescu, Elena Ionela Neacsu, Vasile Soare, Cristina Donath
Publikováno v:
Revista de Chimie. 71:28-38
Ternary ZnNiP alloy thin films were electroless deposited from aqueous chloride electrolytes on mild steel foils. The films were characterized by scanning electron microscopy (SEM) and dispersive X-ray microanalysis (EDAX). The corrosion behaviour of
Autor:
Jose Maria Calderon Moreno, Marian Burada, Virgil Constantin, Cristina Donath, Vasile Soare, Ionut Constantin, Ana-Maria Popescu, Elena Ionela Neacsu, O. F. Demidenko
Publikováno v:
Revista de Chimie. 71:122-132
The recycling of metals from electronic equipment waste (e-waste) is of great concern today. The work described in the article focuses on the application of ionic liquids (ILs) to selectively recover of precious metals (Ag and Au) from the anodic sli
Autor:
Ana-Maria Popescu, Virgil Constantin, Aliona Zhivulka, Elena Ionela Neacsu, Kazimir Yanushkevich, Anatholy Galyas, O. F. Demidenko, Cristina Donath
Publikováno v:
Revista de Chimie. 70:2968-2972
The corrosion behaviour of special alloys (Uranus B6 steel and Monel 400) exposed to chlorine chloride-deep eutectic solvents (DES) at 353 K has been investigated by polarization curves method. The corresponding corrosion parameters in choline chlori
Autor:
Elena Ionela Neacsu, Ana-Maria Popescu, Dmytro Listopad, Angelina Gab, Ivan Chervonyj, Virgil Cosntantin, Cristina Donath, Victor Malyshev
Publikováno v:
Revista de Chimie. 70:1924-1927
Thermodynamic analysis was carried out of the possible effects of interaction reactions of the main components of the metallic retort (Fe, Ni, Cr, Mn) with titanium chlorides and with oxygen, during magnesium thermal method of titanium obtaining. The
Autor:
Elena Ionela Neacsu, Ana-Maria Popescu, Arvydas Survila, Virgil Constantin, Cristina Donath, Victor Malyshev, Angelina Gab
Publikováno v:
Revista de Chimie. 70:871-874
The cathodic reduction processes of cobalt (II), tungsten (VI) and molybdenum (VI) in Na2WO4 melts are discussed. Electrochemical behavior of cobalt in a tungstate melt, as well as the effect of electrolysis conditions on the composition and structur
Autor:
Ana-Maria Popescu, Elena Ionela Neacsu, Aliona Zhivulka, Virgil Constantin, Kazimir Yanushkevich, Cristina Donath, Anatholy Galyas, O. F. Demidenko
Publikováno v:
Revista de Chimie. 69:2642-2647
The corrosion behaviour of special steels (OL44, OL52, SS1.4571) exposed to choline chloride (ChCl) based ionic liquids, has been investigated by polarization curves method at 80�C. Micrographic images before and after corrosion were obtained. The
Autor:
Virgil Constantin, Dmytro Shakhnin, Elena Ionela Neacsu, Ana-Maria Popescu, Angelina Gab, Cristina Donath, Victor Malyshev
Publikováno v:
Revista de Chimie. 69:2411-2415
Molybdenum and tungsten coatings electrodeposition from halide-oxide and oxide melts has been realized. The influence of electrolysis conditions on physico-chemical properties of deposits has been studied. Coating structure control has been realized