Zobrazeno 1 - 10
of 101
pro vyhledávání: '"Nikolaos A. Alexopoulos"'
Autor:
Constantinos I. Pantos, Konstantinos P. Grigoriou, Athanasios G. Trikas, Nikolaos A. Alexopoulos, Iordanis S. Mourouzis
Publikováno v:
Frontiers in Endocrinology, Vol 15 (2024)
BackgroundThyroid hormone (TH) appears to have a reparative action on the postinfarcted myocardium. This novel action was recently tested in a pilot, randomized, double-blind, placebo-controlled trial (ThyRepair). The present study performed a post-h
Externí odkaz:
https://doaj.org/article/3a1b7dc06d674f3f8110d17900e84956
Autor:
Violetta K. Kytinou, Zoi S. Metaxa, Adamantis G. Zapris, Ramonna I. Kosheleva, Vasilis D. Prokopiou, Nikolaos D. Alexopoulos
Publikováno v:
Developments in the Built Environment, Vol 20, Iss , Pp 100580- (2024)
The present article investigates the possibility of Extruded Polystyrene (XPS) waste to be used as a lightweight aggregate in cement-based materials for structural applications. The developed material offers a promising solution for rehabilitation an
Externí odkaz:
https://doaj.org/article/ed84d41def3a4bfbbe4e8903d99634da
Autor:
Theano N. Examilioti, Paraskevas Papanikos, Nikolai Kashaev, Benjamin Klusemann, Nikolaos D. Alexopoulos
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 2431-2446 (2022)
The local tensile mechanical properties of laser beam-welded joints of AA2198 alloy with Al–Si filler wire were experimentally investigated. For this purpose, micro-flat tensile specimens were extracted from the fusion zone and the heat-affected zo
Externí odkaz:
https://doaj.org/article/885eac26dfc64e648913ebf267d0e843
Autor:
Angeliki Eirini Dimou, Georgios Asimakopoulos, Ioannis Karatasios, Dimitrios Gournis, Zoi S. Metaxa, Stavros K. Kourkoulis, Nikolaos D. Alexopoulos
Publikováno v:
Developments in the Built Environment, Vol 10, Iss , Pp 100068- (2022)
In the present study, graphene oxide (GO), reduced graphene oxide (rGO) and carboxylated graphene (GCOOH) have been incorporated in lime-pozzolan-cement pastes, aiming to develop self-sensing binders that would be used for restoration applications.
Externí odkaz:
https://doaj.org/article/77dded2f40ef4aa7b2cf0a8801acc480
Publikováno v:
Nanomaterials, Vol 12, Iss 20, p 3695 (2022)
Natural Hydraulic Limes (NHL) are extensively used for the restoration of Monuments of Cultural Heritage, often combined with pozzolanic materials, such as natural pozzolans and metakaolin etc. In the present study, five (5) different cases of binary
Externí odkaz:
https://doaj.org/article/b38d1686fc1f40ab8c67668893439f87
Autor:
Nikolaos D. Alexopoulos, Nikoleta Siskou, Christina-Margarita Charalampidou, Stavros K. Kourkoulis
Publikováno v:
Fracture and Structural Integrity, Vol 13, Iss 50, Pp 342-353 (2019)
The effect of corrosion environment aggressiveness on the tensile mechanical properties degradation of AA2024-T3 was investigated. Tensile specimens were pre-corroded for various exposure times to different corrosive solutions, i.e., exfoliation corr
Externí odkaz:
https://doaj.org/article/fa27d89c30594a919714162b8db8e9ee
Autor:
Zoi S. Metaxa, Spyridoula Boutsioukou, Maria Amenta, Evangelos P. Favvas, Stavros K. Kourkoulis, Nikolaos D. Alexopoulos
Publikováno v:
Nanomaterials, Vol 12, Iss 6, p 1031 (2022)
Multi-wall carbon nanotubes (MWCNTs) exhibit exceptional mechanical and electrical properties and can be used to improve the mechanical and piezoelectric properties of cement-based materials. In the present study, the effect of different MWCNT concen
Externí odkaz:
https://doaj.org/article/3da57b0612ae4820a005f8e18c1906df
Publikováno v:
Frattura ed Integrità Strutturale, Vol 11, Iss 40, Pp 61-73 (2017)
This article investigates the possibility of exploiting innovative polyvinyl alcohol fibers reinforced with carbon nanotubes (PVA-CNT fiber) as a strain sensor in cement mortars used in the restoration of Cultural Heritage Monuments. Two types of PVA
Externí odkaz:
https://doaj.org/article/cb634315f988401693dd76d9a5b417cb
Autor:
Nikolaos D. Alexopoulos, Joseph D. Robson, George Stefanou, Vasileios Stergiou, Alexandra Karanika, Stavros K. Kourkoulis
Publikováno v:
Alloys; Volume 1; Issue 2; Pages: 180-195
The impact of the artificial aging response on the microstructure and tensile mechanical properties of aluminum alloy 6156 was investigated. Specimens were artificially aged at three different artificial aging temperatures and for various holding tim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c08a94b418090e8c123dc34a630c280a
https://doi.org/10.3390/alloys1020011
https://doi.org/10.3390/alloys1020011
Autor:
Nikolaos D. Alexopoulos
Publikováno v:
Materials Today: Proceedings.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::976dc696ea63db266c54ad9dcf91d0ff
https://doi.org/10.1016/j.matpr.2023.05.368
https://doi.org/10.1016/j.matpr.2023.05.368