Zobrazeno 1 - 10
of 12
pro vyhledávání: '"George Cătălin Cristea"'
Autor:
Lorena Deleanu, Constantin Georgescu, George Cătălin Cristea, Traian Florian Ionescu, Guglea Dionis, George Ghiocel Ojoc, Dumitru Dima, Iulia Paduraru
Publikováno v:
Tribology in Industry, Vol 46, Iss 3, Pp 398-417 (2024)
This paper presents an analysis of standards applied in tribology, especially concerning materials, test methods and failures of machine components, related to exploitation under load and motion. By the help of their own research and based on open li
Externí odkaz:
https://doaj.org/article/d1699e98600c4a14b4afe31a7ad5bc55
Autor:
Ioana Gabriela Chiracu, George Ghiocel Ojoc, George Cătălin Cristea, Mihail Boțan, Alina Cantaragiu Ceoromila, Cătălin Pîrvu, Alexandru Viorel Vasiliu, Lorena Deleanu
Publikováno v:
Polymers, Vol 16, Iss 13, p 1925 (2024)
This paper presents experimental results from three-point bending tests for a composite made of quadriaxial glass fiber fabrics and an epoxy resin. Two composites were tested, one with 8 layers and the other with 16 layers; both had the same matrix (
Externí odkaz:
https://doaj.org/article/79a7c2d690fe41b195a8a9eb9be02e6e
Autor:
George PELIN, Cristina - Elisabeta PELIN, Mihail BOTAN, Adriana STEFAN, George - Cătălin CRISTEA, Alexandra Ana Maria PANAIT
Publikováno v:
INCAS BULLETIN. 15:59-70
This study aims to present the authors' recent research investigating the mechanical and thermo-mechanical properties of commercial polylactic acid (PLA) polymer. Samples were manufactured by 3D printing of fused filament fabrication (FFF) and tests
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7f09d02a07f540eee98d19388e46478
https://doi.org/10.13111/2066-8201.2023.15.1.6
https://doi.org/10.13111/2066-8201.2023.15.1.6
Autor:
Dionis GUGLEA, George Catalin CRISTEA, Lorena DELEANU, Traian Florian IONESCU, George Ghiocel OJOC, Dumitru DIMA, Constantin GEORGESCU
Publikováno v:
INCAS Bulletin, Vol 15, Iss 4, Pp 137-148 (2023)
This paper presents an analysis based on experimental data for pointing out the behavior of rapeseed oil when it is additivated with a modifier of friction and wear, the nano hexagonal Boron nitride. All tests are done on a four-ball machine, in mild
Externí odkaz:
https://doaj.org/article/b9f184d23ec74033b68746c82d2fd6b6
Autor:
Lorena Deleanu, Viorel Totolici Rusu, George Ghiocel Ojoc, George Catalin Cristea, Mihail Boțan, Alexandru Viorel Vasiliu, Christian Popescu
Publikováno v:
Polymers, Vol 16, Iss 7, p 882 (2024)
This paper presents research on several factors influencing the stabbing behaviour of stratified panels made of aramid fabric Twaron® SRM509 Teijin Aramid BV (Arnhem, The Netherlands). The inputs in the test campaign were the number of layers, the i
Externí odkaz:
https://doaj.org/article/3ed7151a17a1421aae22a3356cc5615f
Autor:
Nicolae-Alexandru STOICA, Alina-Maria STOICA, Andrei TUDOR, Victor MANOLIU, Mihail BOTAN, George Catalin CRISTEA
Publikováno v:
INCAS Bulletin, Vol 13, Iss 1, Pp 193-201 (2021)
The stick-slip phenomenon is a dynamic instability that appears at the contact interface of two sliding surfaces. Its occurrence is influenced by the relative sliding speed, the contact pressure, and the system rigidity, but also by the state of cont
Externí odkaz:
https://doaj.org/article/fd7159dd5f5c4aaebc06e9991461ca2d
Publikováno v:
INCAS Bulletin, Vol 12, Iss 2, Pp 229-234 (2020)
The idea of hybrid sandwich structures made of polymeric sheets and RVC foams represents a new research topic which is directly related to the interaction between thermal shock wave and structural insulation panels, dynamics of thermal motions, delam
Externí odkaz:
https://doaj.org/article/3419e99c63234cea9f531e3bb6ac7cd9
Autor:
Traian Florian IONESCU, Adrian-Alin SORCARU, Dionis GUGLEA, George Catalin CRISTEA, Constantin GEORGESCU, Lorena DELEANU
Publikováno v:
INCAS Bulletin, Vol 12, Iss 2, Pp 63-72 (2020)
This paper presents the influence of hexagonal boron nitride (hBN) as additive in refined rapeseed oil in different mass concentration of 0.25%wt, 0.5%wt and 1%wt on the tribological parameters, obtained on a four-ball machine. The test parameters we
Externí odkaz:
https://doaj.org/article/d4025af06af94b7db4d3373a0af9ffcd
Autor:
Victor MANOLIU, Sorin DIMITRIU, Mihail BOTAN, Gheorghe IONESCU, Radu Robert PITICESCU, George Catalin CRISTEA, Alina DRAGOMIRESCU
Publikováno v:
Proceedings on Engineering Sciences, Vol 1, Iss 1, Pp 240-245 (2019)
Hot parts of turbo engines as well as those working in extreme conditions in the metallurgical industry are subject to complex loads, leading to wear factors that sometimes work together: temperature, thermal shock, erosion, corrosion, sliding fricti
Externí odkaz:
https://doaj.org/article/ba317b238c064a1d83cc217b725f2c00
Autor:
George Catalin CRISTEA, Adriana STEFAN, George PELIN, Cristina-Elisabeta PELIN, Maria SONMEZ, Sorina ILINA, Lorena DELEANU
Publikováno v:
INCAS Bulletin, Vol 13, Iss 4, Pp 47-48 (2021)
This paper presents the results of mechanical and tribological characteristics for two composites: PA6 as matrix and 5% aramid whiskers as additive material and PA6 + 10% aramid whiskers, comparing them to those made of PA6 (polyamide 6). To improve
Externí odkaz:
https://doaj.org/article/a01613a8df2c4eae99f638a9e2c4cc6c