Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Sorin Ciuca"'
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 31, Iss 2 (2008)
In the present paper there are presented results of investigations on samples of partially removable denture made of cobalt base alloys (Co-Cr-Mo) regarding specific structural analysis: determination of structural phases by quantitative and qualitat
Externí odkaz:
https://doaj.org/article/86c5e5a497de4658930d226dd05d6e0f
Autor:
Mihai Ovidiu Cojocaru, Mihai Branzei, Sorin Ciuca, Ioana Arina Gherghescu, Mariana Ion, Leontin Nicolae Druga, Cosmin Mihai Cotrut
Publikováno v:
Materials; Volume 14; Issue 24; Pages: 7779
Materials, Vol 14, Iss 7779, p 7779 (2021)
Materials
Materials, Vol 14, Iss 7779, p 7779 (2021)
Materials
The scholarly literature records information related to the performance increase of the cutting tools covered by the superficial layers formed “in situ” when applying thermochemical processing. In this context, information is frequently reported
Autor:
Marioara Abrudeanu, Carol Terteci, Sorin Ciuca, Laura Teodorescu, Nadia Cantin, Catalin Ducu, Ayed Ben Amara, Claudiu Tulugea, Rémy Chapoulie
Publikováno v:
Materials
Materials, Vol 14, Iss 3908, p 3908 (2021)
Volume 14
Issue 14
Materials, Vol 14, Iss 3908, p 3908 (2021)
Volume 14
Issue 14
Combined analysis methods such as optical microscopy (OM), cathodoluminescence (CL) microscopy, X-ray diffraction (XRD), and scanning electron microscopy–energy dispersive X-ray spectrometry (SEM–EDX) have made it possible to obtain the first phy
Autor:
Ruxandra Elena Dumitrescu, Sorin Ciuca, Ion Mihai Vasile, Mariana Ciurdas, Daniela Alina Necsulescu, Ioana Arina Gherghescu
Publikováno v:
Revista de Chimie. 70:2903-2907
Two magnesium matrix composites reinforced with 3 and 10% Ni-Ti particulates, respectively, were obtained by plasma sintering. The reinforcement material was obtained by grinding a mixture of powders of 68% Ni and 32% Ti atomic percent in a high ener
Autor:
Ruxandra Elena Dumitrescu, Sorin Ciuca, Mirela Sohaciu, Cristian Predescu, Ecaterina Matei, George Coman, Ioana Arina Gherghescu, Andrei Berbecaru, Andra Mihaela Predescu
Publikováno v:
Revista de Chimie. 70:2491-2496
The paper presents corrosion resistance testing results of three stainless steels that may be used in hydropower turbine blades manufacture. Two of these have a chemical composition close to that of some other stainless steels previously employed in
Autor:
Catalin Stefan Gradinaru, Ioana Arina Gherghescu, George Coman, Mirela Sohaciu, Andrei Berbecaru, Cristian Predescu, Sorin Ciuca, Ruxandra Elena Dumitrescu
Publikováno v:
Revista de Chimie. 70:1132-1139
The paper presents microstructural features of three stainless steels utilized in making hydropower turbine parts. Two of these steels were already used in producing these parts, the third one is newly conceived. Aiming better mechanical and corrosio
Autor:
Cristian Pantilimon, George Coman, Catalin Gradinaru, Claudia Tarcea, Sorin Ciuca, Mirela Sohaciu, Andrei Berbecaru, Ecaterina Matei, Andra Predescu, Cristian Predescu
Publikováno v:
Revista de Chimie. 69:3164-3168
Increasing biocompatibility of implant materials is an important factor in developing better and long-lasting implants that function in a very close way to real tissue and bone. Various alloys have been chosen due to their biocompatibility, such as:
Autor:
Ioana Arina Gherghescu, Cosmin Mihai Cotrut, Alina Daniela Necsulescu, Mariana Ciurdas, Sorin Ciuca, Ruxandra Elena Dumitrescu
Publikováno v:
Revista de Chimie. 69:1055-1059
Aluminium bronzes are exhibiting good corrosion resistance in saline environments combined with high mechanical properties. Their corrosion resistance is obviously confered by the alloy chemical composition, but it can also be improved by heat treatm
Publikováno v:
Revista de Chimie. 69:86-90
This paper presents some electrochemical impedance spectroscopy research results concerning the corrosion resistance of a shape memory Ni50Ti48Nb2 alloy. This one was previously studied by SEM and DSC [1,2] but some new research features had to be ma
Autor:
Sorin Ciuca, Ioana Arina Gherghescu, Mihai Branzei, Ruxandra Elena Dumitrescu, Gabriela Liliana Jicmon
Publikováno v:
Revista de Chimie. 68:991-996
The alloy was chosen in order to obtain a shape memory alloy having a wider hysteresis than equiatomic NiTi, that involves a better thermo-mechanical stability. Two samples investigated by differential scanning calorimetry (DSC) were previously annea