Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Gheorghe Ionescu"'
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:
Alina DRAGOMIRESCU, Adriana STEFAN, Alexandru MIHAILESCU, Cristina-Elisabeta PELIN, Victor MANOLIU, Gheorghe IONESCU, Mihail BOTAN
Publikováno v:
INCAS Bulletin, Vol 9, Iss 1, Pp 49-57 (2017)
Thermal barrier coatings (TBC) are designed to protect metal surfaces from extreme temperatures and improve their resistance to oxidation during service. Currently, the most commonly used systems are those that have the TBC structure bond coat (BC) /
Externí odkaz:
https://doaj.org/article/4f9839e49ebd46ec836098a98ccae44d
Publikováno v:
Nonconventional Technologies Review, Vol 21, Iss 4 (2017)
The spontaneous phenomenon of metal’s corrosion could be limited, controlled by o good corrosion management, which could be a rigorous application of accumulated knowledge or innovation. The diversity of each urban water system, the physical-chemic
Externí odkaz:
https://doaj.org/article/8513fefe4758408b9f782fb759512aa8
Autor:
Adriana STEFAN, Gheorghe IONESCU, George PELIN, Cristina-Elisabeta PELIN (BAN), Ion DINCA, Beatriz PEREZ, Sonia FLOREZ, Jorge BARCENA, Konstantina MERGIA, Kostoula TRIANTOU, Christian ZUBER, Waldemar ROTAERMEL, Jean-Marc BOUILLY, Gregory PINAUD, Wolfgang FISCHER
Publikováno v:
INCAS Bulletin, Vol 6, Iss 4, Pp 87-101 (2014)
A hybrid thermal protection system for atmospheric earth re-entry based on ablative materials on top of ceramic matrix composites is investigated for the protection of the metallic structure in oxidative and high temperature environment of the space
Externí odkaz:
https://doaj.org/article/b3b3f2ff835049968c9505bc54ce426e
Publikováno v:
INCAS Bulletin, Vol 5, Iss 2, Pp 25-32 (2013)
Protective layers of “hot parts” of the turbo engines as well as co-generative systems of energy industry are exposed to a combination of wear factors which may act together at high values.The main goal of the paper is the behavior of some advanc
Externí odkaz:
https://doaj.org/article/2fe5f45f5fea4533bd270589886bea35
Publikováno v:
INCAS Bulletin, Vol 3, Iss 3, Pp 63-69 (2011)
The coatings obtained by thermal spray are used both as antioxidant and connection materials (e.g. MCrAlY type alloys) as well as thermal barrier coatings (e.g. partially stabilized zirconia oxide with yttria oxide). This paper studies the characteri
Externí odkaz:
https://doaj.org/article/907a0673ce71440daf509456e4579603
Publikováno v:
INCAS Bulletin, Vol 1, Iss 2, Pp 116-121 (2009)
From the assembly of the wear factors which act on the “hot parts” of the turbo engines,respectively on the protective coatings, the thermal shock acts the most perturbing.The behavior of the materials at thermal shock is evaluated at present on
Externí odkaz:
https://doaj.org/article/7c4d8a8670594f4a8eb9cf8d93020a7c
Publikováno v:
Nonconventional Technologies Review, Vol 19, Iss 3 (2015)
Corrosion and corrosion protection of steel pipes corrosion, in the field of transportation and distribution urban water grids is a particularly important economic factor in loss prevention, combating environmental pollution and economy. The corrosio
Externí odkaz:
https://doaj.org/article/9027ad264ee14bea9a504fd8bedcb92c
Autor:
Forestry Gheorghe Ionescu-Sisesti, Marasti Blvd. , Ro , Bucharest, Romania, Mihaela Urziceanu, Ioana-Minodora Sirbu, Tatiana Eugenia Şesan, Paulina Anastasiu
Publikováno v:
Contribuţii Botanice. 56:129-147
Located in the Iron Gates Natural Park, Romania, at the foot of the Locvei Mountains, the Sfanta Elena Karst Plateau is a very picturesque territory, characterized by a karst relief, covered by High Nature Value grasslands. In the last decade this te
Autor:
Forestry Gheorghe Ionescu-Sisesti, Marasti Blvd. , Ro , Bucharest, Romania, Paulina Anastasiu, Tatiana Eugenia Şesan, Ioana-Minodora Sirbu, Mihaela Urziceanu
Publikováno v:
Contribuţii Botanice. 56:13-27
Ludwigia peploides (Kunth) P.H.Raven - Floating primrose-willow - is native to wetlands of North, Central, and South America, and widely distributed across Africa, Australia, and Asia, and in Europe, where it is listed by EU Regulation no. 2016/1141