Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Omyma H. Ibrahim"'
Publikováno v:
SN Applied Sciences, Vol 5, Iss 12, Pp 1-11 (2023)
Abstract Vickers and Knoop testers are the most common tools used to measure the hardness of materials. However, a very small tilt in the sample surface even in the order of a fraction of a degree produces a noticeable asymmetry, which affects the ac
Externí odkaz:
https://doaj.org/article/373dbeb3509649c380c69777ef8f2e41
Publikováno v:
SN Applied Sciences, Vol 5, Iss 7, Pp 1-9 (2023)
Abstract In this investigation, surface modification toughening of partially stabilized zirconia ceramics, by sub-eutectoid solution annealing, has been performed. The Zr0.918Mg0.068Y0.014O1.925 designated (MZY) was prepared by mixing Magnesia Partia
Externí odkaz:
https://doaj.org/article/77b8619e127640db9f5bd5006dcc91c1
Publikováno v:
Arabian Journal for Science and Engineering. 45:4959-4965
Yttria tetragonal zirconia polycrystals (YTZP)/alumina short fibre (Al2O3-SF) composites were prepared by wet ball milling. Three different commercial powders of YTZP containing 2, 2.5 and 3 mol% of yttria (denoted as TZ2Y, TZ2.5Y and TZ3YA, respecti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b696eb2e7f7556f1116d8608ee7e591
https://doi.org/10.1007/s13369-020-04542-2
https://doi.org/10.1007/s13369-020-04542-2
Publikováno v:
SSRN Electronic Journal.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::26f7a84152a02dfc95c5ae0d0301f3f1
https://doi.org/10.2139/ssrn.4191202
https://doi.org/10.2139/ssrn.4191202
Autor:
M. El Sayed Ali, Ahmed Mohamed Abdelaziz Hassan, S. El-Houte, Omyma H. Ibrahim, Kolthoum I. Othman
Publikováno v:
SN Applied Sciences. 2
In this work, zirconia powders containing 5 and 10 mol % ceria were prepared by co-precipitation method followed by doping with small amounts (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::406a40705e0eba5d7788ac948a0a1316
https://doi.org/10.1007/s42452-020-03578-1
https://doi.org/10.1007/s42452-020-03578-1
Autor:
Ezzat S. Elshazly, Omyma H. Ibrahim
Publikováno v:
Journal of Materials Engineering and Performance. 22:584-589
The effect of microstructure on fracture behavior of 1Cr-0.5Mo and 9Cr-1Mo structural steels was evaluated. 1Cr-0.5Mo steel is used in steam pipes and superheater tubes of power stations. Its microstructure is typically comprised of bainite in a pre-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::721c428d5440ab73c12abf41b75a872e
https://doi.org/10.1007/s11665-012-0266-4
https://doi.org/10.1007/s11665-012-0266-4