Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Costică Bejinariu"'
Publikováno v:
Annals: Series on engineering sciences (Academy of Romanian Scientists), Vol 16, Iss 2, Pp 119-133 (2024)
Work safety self-assessment is usually applied to small and medium enterprises, but also to large enterprises on subsystems such as sections, workshops, departments, by designated worker. Self-assessment involves going through a series of questions
Externí odkaz:
https://doaj.org/article/dfbf72dfbaba4fce8435ddb3f1ebccfc
Autor:
Costică Bejinariu, Viorel Paleu, Ciprian Vasile Stamate, Ramona Cimpoesu, Margareta Coteată, Gheorghe Badarau, Mihai Axinte, Bogdan Istrate, Gabriel Dragos Vasilescu, Nicanor Cimpoeșu
Publikováno v:
Materials, Vol 15, Iss 24, p 9013 (2022)
An usual material, EN-GJL-250 cast iron, used for automotive braking systems, was covered with a ceramic material (105NS-1 aluminium oxide) using an industrial deposition system (Sulzer Metco). The main reason was to improve the corrosion and wear (f
Externí odkaz:
https://doaj.org/article/f036ae2483af4e248e4fba620d4e84a0
Autor:
Manuela-Cristina PERJU, Cristian SAVIN, Costică BEJINARIU, Carmen NEJNERU, Dragoş-Cristian ACHIŢEI
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 40, Iss 3 (2017)
Wastewater piping systems in urban agglomerations or industrial areas have problems with the wear and tear of equipment and water transport pipelines used. The problems are related to hydromechanics wear and corrosion due to the presence of solid par
Externí odkaz:
https://doaj.org/article/499346c3ccf04e929d5940e51a439a7e
Autor:
Ion SANDU, Mikiko HAYASHI, Marta QUARANTA, Costică BEJINARIU, Constantin STANCIU, Irina Crina Anca SANDU
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 31, Iss 2 (2008)
In the manufacture of wood objects, for binding and strengthening were used nails, cramps and other metallic elements, which in the archaeological site suffered degradation and deterioration processes, specific to metal-wood interface. The chemical a
Externí odkaz:
https://doaj.org/article/73e8177727d340b993a1e0e56171c6a7
Autor:
Ion SANDU, Marta QUARANTA, Costică BEJINARIU, Ioan Gabriel SANDU, Dorin LUCA, Andrei Victor SANDU
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 30, Iss 1 (2007)
The paper presents the cases of the corrosion processes which take place on starting from the usage period when the primary patina is being formed and when the secondary patina starts, than continuing with the archaeological site where the contaminat
Externí odkaz:
https://doaj.org/article/4d217dc53eda429981ea866699083dbf
Autor:
Romeo Gabriel CHELARIU, Marcelin BENCHEA, Ramona CIMPOEŞU, Oana RUSU, Vasile MANOLE, Diana Petronela BURDUHOS-Negris, Nicanor CIMPOEŞU, Costică BEJINARIU
Publikováno v:
Materials Today: Proceedings. 72:594-599
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c68b01dd462d8ff167fa068164f1c4a
https://doi.org/10.1016/j.matpr.2022.10.106
https://doi.org/10.1016/j.matpr.2022.10.106
Publikováno v:
Annals: Series on engineering sciences (Academy of Romanian Scientists), Vol 16, Iss 1, Pp 5-22 (2024)
The occupational safety self-assessment system for small and medium-sized enterprises (SMEs) is a powerful tool, through which SMEs or departments of a large enterprise can decide where and how occupational safety and health activity should be improv
Externí odkaz:
https://doaj.org/article/6a033cba4aaa4b63b80cc9ee65233b1a
Autor:
Nicanor Cimpoesu, Viorel Paleu, Catalin Panaghie, Ana-Maria Roman, Alin Marian Cazac, Lucian-Ionel Cioca, Costica Bejinariu, Stefan Constantin Lupescu, Mihai Axinte, Mihai Popa, Georgeta Zegan
Publikováno v:
Metals, Vol 14, Iss 7, p 836 (2024)
Biodegradable metallic materials are gaining attention for medical applications in short-term implants (15–500 days) because of their good mechanical properties, biocompatibility, and generalized corrosion. Most medical applications involve implant
Externí odkaz:
https://doaj.org/article/e0aa228fb5b247aba004197d75799283
Autor:
Romeo Gabriel Chelariu, Ramona Cimpoesu, Adrian Marius Jurca, Catalin Mihai Popa, Marcelin Benchea, Gheorghe Badarau, Bogdan Istrate, Alin Marian Cazac, Nicanor Cimpoesu, Dan-Dumitru Pintilie, Gabriel Dragos Vasilescu, Costica Bejinariu
Publikováno v:
Materials, Vol 17, Iss 10, p 2220 (2024)
We developed and analyzed a novel non-sparking material based on CuAlBe for applications in potentially explosive environments. Using a master alloy of CuBe, an established material for anti-sparking tools used in oil fields, mines, or areas with pot
Externí odkaz:
https://doaj.org/article/37be5aa81824402ead7608b290a6c6d7
Autor:
Ali İhsan Çelik, Yasin Onuralp Özkılıç, Özer Zeybek, Memduh Karalar, Shaker Qaidi, Jawad Ahmad, Dumitru Doru Burduhos-Nergis, Costica Bejinariu
Publikováno v:
Materials, Vol 15, Iss 22, p 8093 (2022)
In this study, ground glass powder and crushed waste glass were used to replace coarse and fine aggregates. Within the scope of the study, fine aggregate (FA) and coarse aggregate (CA) were changed separately with proportions of 10%, 20%, 40%, and 50
Externí odkaz:
https://doaj.org/article/57edb7fa75674ad0b078983b25c1c44c