Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Helen Kamoutsi"'
Autor:
Florent Ravaux, Muhammad Sajjad, Humaira Zafar, Mohamed E. Daoud, Helen Kamoutsi, Cyril Aubry, James Weston, Nirpendra Singh, Gregory Haidemenopoulos, Dalaver H. Anjum
Publikováno v:
Journal of Alloys and Metallurgical Systems, Vol 3, Iss , Pp 100026- (2023)
The effect of precipitate coherency in an aged aluminum (Al) 2024 alloy is investigated using scanning transmission electron microscopy (STEM) and density functional theory (DFT) methods. The focus of the study is on understanding the effects of hydr
Externí odkaz:
https://doaj.org/article/878e24bc8f0b425796f737358ab7bcfb
Autor:
John S. Aristeidakis, Gregory N. Haidemenopoulos, Ruben Bjørge, Calin D. Marioara, Helen Kamoutsi, Evangelos Giarmas, Nikolaos Rafailidis
Publikováno v:
Materials, Vol 17, Iss 3, p 545 (2024)
Desirable properties including strength, ductility and extrudability of 6060 Al-alloys are highly dependent on processing to control the development of microstructural features. In this study, the process chain of an extrudable 6060 Al-alloy was mode
Externí odkaz:
https://doaj.org/article/f93dcfa97654485db7f264ad8ce97b6e
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
Publikováno v:
Materials, Vol 16, Iss 3, p 1004 (2023)
Wrought magnesium alloys have received attention due to their potential application as lightweight materials. However, their use is limited by their poor corrosion resistance. Rare earth additions have the potential to enhance corrosion resistance. T
Externí odkaz:
https://doaj.org/article/bfea6cbcb27d4d6da73640e07bd64112
Publikováno v:
Materials, Vol 15, Iss 22, p 7927 (2022)
Cold roll forming used in the manufacturing of lightweight steel profiles for racking storage systems is associated with localized, non-uniform plastic deformations in the corner sections of the profiles, which act as fatigue damage initiation sites.
Externí odkaz:
https://doaj.org/article/13a0ca4c73014267b7e78a0ad4347edd
Autor:
Gregory N. Haidemenopoulos, Helen Kamoutsi, Kyriaki Polychronopoulou, Panagiotis Papageorgiou, Ioannis Altanis, Panagiotis Dimitriadis, Michael Stiakakis
Publikováno v:
Metals, Vol 8, Iss 9, p 663 (2018)
Stress-oriented hydrogen-induced cracking (SOHIC) of an amine absorber column made of a Hydrogen Induced Cracking (HIC) resistant steel and operating under wet H2S service was investigated. SOHIC was not related to welds in the column and evolved in
Externí odkaz:
https://doaj.org/article/867ff31f80e94432be25df4684a00927
Publikováno v:
European Journal of Materials. 1:1-22