Zobrazeno 1 - 10 of 44 pro vyhledávání: '"A. D. Zervaki"'
1
Akademický článek
Aging Phenomena during In-Service Creep Exposure of Heat-Resistant Steels
Autor: G. N. Haidemenopoulos, K. Polychronopoulou, A. D. Zervaki, H. Kamoutsi, S. I. Alkhoori, S. Jaffar, P. Cho, H. Mavros
Publikováno v: Metals, Vol 9, Iss 7, p 800 (2019)
An investigation of aging phenomena during creep exposure has been conducted for HP-Nb cast reformer tubes for several exposure conditions. Aging was manifested by carbide precipitation, carbide coarsening, and carbide transformation. The transformat
Externí odkaz: https://doaj.org/article/d827083cb8ad4c4c90384fca9e71f32d
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2
Akademický článek
Effect of Corrosion and Post-Weld Treatment on the Fatigue Behavior of Multipass Robot GMAW Welds of S700MC Steel
Autor: Stefania Spyropoulou, Emmanouil Christofilis, Anna D. Zervaki
Publikováno v: Crystals, Vol 14, Iss 7, p 609 (2024)
High-strength steel is a candidate material for offshore structures, which are currently being constructed with regular-strength steel. These structures are constantly exposed to harsh environmental conditions and experience cyclic loadings, which ca
Externí odkaz: https://doaj.org/article/bc836275742a4d8a90071e0a9256f088
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3
Akademický článek
Investigation of the Nitriding Effect on the Adhesion and Wear Behavior of CrN-, AlTiN-, and CrN/AlTiN-Coated X45CrMoV5-3-1 Tool Steel Formed Via Cathodic Arc Physical Vapor Deposition
Autor: Gülşah Aktaş Çelik, Konstantinos Fountas, Şaban Hakan Atapek, Şeyda Polat, Eleni Kamoutsi, Anna D. Zervaki
Publikováno v: Lubricants, Vol 12, Iss 5, p 170 (2024)
Monolayer (CrN, AlTiN) and bilayer (CrN/AlTiN) coatings are formed on the surface of conventional heat-treated and gas-nitrided X45CrMoV5-3-1 tool steel via Cathodic Arc Physical Vapor Deposition (CAPVD), and the adhesion characteristics and room- an
Externí odkaz: https://doaj.org/article/7be8df052b224d1797d0cd3f30d9223f
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4
Akademický článek
Experimental and Computational Study of Microhardness Evolution in the HAZ for Al–Cu–Li Alloys
Autor: Stavroula Maritsa, Stavros Deligiannis, Petros E. Tsakiridis, Anna D. Zervaki
Publikováno v: Crystals, Vol 14, Iss 3, p 246 (2024)
The Laser Beam Welding (LBW) of aluminum alloys has attracted significant interest from industrial sectors, including the shipbuilding, automotive and aeronautics industries, as it expects to contribute to significant cost reduction associated with t
Externí odkaz: https://doaj.org/article/fa4d7759fd09422f86f019a5bf772540
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5
Akademický článek
Creep rupture in HP-Nb refractory steel tubes due to short-term overheating
Autor: Gregory N. Haidemenopoulos, Anna D. Zervaki, Helen Kamoutsi, Kyriaki Polychronopoulou
Publikováno v: European Journal of Materials, Vol 1, Iss 1, Pp 1-22 (2022)
The premature creep rupture of cast reformer tubes made of HP-Nb steel due to short-term overheating, was investigated. Investigation was performed on specimens from ruptured, cracked, and uncracked tubes and included metallography, mechanical testin
Externí odkaz: https://doaj.org/article/a24dff13b5c64b219c70d5021b3ccbdd
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6
Akademický článek
Inverse Thermal Analysis as a Tool for Optimizing Concentrated Solar Energy Elaboration of Wear Resistant Surface Layers
Autor: Anna D. Zervaki, Samuel G. Lambrakos, Athanasios G. Mourlas, Ioannis G. Papantoniou, José Rodríguez, Pandora P. Psyllaki
Publikováno v: Metals, Vol 13, Iss 5, p 942 (2023)
Concentrated Solar Energy (CSE) processing is considered a promising renewable energy source technique for elaborating thick, wear-resistant claddings onto metallic surfaces of large dimensions that are expected to operate in heavy duty applications,
Externí odkaz: https://doaj.org/article/bd72b123967846ec98a2de6b3912abaa
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9
Mechanical Response of an Industrial Piping System Under Strong Cyclic Loading
Autor: Spyros A. Karamanos, Elias Strepelias, Giannoula Chatzopoulou, A. D. Zervaki, X. Palios, C. Karvelas, N. Stathas, Stathis Bousias
Publikováno v: Volume 5: Operations, Applications, and Components; Seismic Engineering; Non-Destructive Examination.
The paper presents a combined experimental and numerical investigation of cyclic loading response of an internally pressurized steel piping system. The piping system comprises three elbows and is subjected to quasi-static end-displacement excitation.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::62fd97d42e969dfdc2727953377f6503
https://doi.org/10.1115/pvp2021-62273
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10
EUROMAT 2019 Symposia on Processing
Autor: Simeon Agathopoulos, P. V. Protsenko, A. D. Zervaki, Ivan Kaban, Fabrizio Valenza, Christof Sommitsch
Publikováno v: Journal of materials engineering and performance (Online) 29 (2020): 4831–4832. doi:10.1007/s11665-020-04972-x
info:cnr-pdr/source/autori:Kaban I.; Zervaki A.; Sommitsch C.; Protsenko P.; Valenza F.; Agathopoulos S./titolo:EUROMAT 2019 Symposia on Processing/doi:10.1007%2Fs11665-020-04972-x/rivista:Journal of materials engineering and performance (Online)/anno:2020/pagina_da:4831/pagina_a:4832/intervallo_pagine:4831–4832/volume:29
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::917a050540198d32d41843b2d1dd0c70
http://www.cnr.it/prodotto/i/438588
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