Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Uzoma Samuel Nwigwe"'
Autor:
Uzoma Samuel NWIGWE, Makachi Anthony NCHEKWUBE, Kalu Divine ONUOHA, Jeremiah Ifeanyichukwu OKORO, Uchenna Emmanuel UDEKWE
Publikováno v:
European Journal of Materials Science and Engineering, Vol 9, Iss 4, Pp 295-308 (2024)
This research analyzed the mechanical properties of reinforcing steel bars used in Nigeria and compared them to four different standards (AISI 1018, ASTM A706, BS4449, and NST-65-Mn). This was done as a result of frequent building collapses in Nigeri
Externí odkaz:
https://doaj.org/article/b12a3e48a36a414aa5911eea8b95acf2
Autor:
Reginald Umunakwe, Ifeoma Janefrances Umunakwe, Uzoma Samuel Nwigwe, Wilson Uzochukwu Eze, Akinlabi Oyetunji
Publikováno v:
AIMS Materials Science, Vol 7, Iss 6, Pp 859-870 (2020)
The production and characterization of metal matrix composites reinforced with fly ash is a very active research area. This paper presents a review on the properties of hybrid aluminum–SiC/fly ash, hybrid aluminum–B4C/fly ash, hybrid aluminum–A
Externí odkaz:
https://doaj.org/article/0ab42a2d21d34f34b003f318b4e2d57d
Autor:
Ifeoma Janefrances UMUNAKWE, Reginald UMUNAKWE, Uzoma Samuel NWIGWE, Victor Adeola POPOOLA, Akinlabi OYETUNJI
Publikováno v:
European Journal of Materials Science and Engineering, Vol 5, Iss 1, Pp 17-22 (2020)
Three local extenders obtained from three different locations in the Akure area of Ondo State, Nigeria earlier processed, characterized and reported were used to produce interior decorative emulsion paints of Pigment Volume Concentration within the r
Externí odkaz:
https://doaj.org/article/6858d80bedd54dc294b7faf29aa78367
Autor:
Wilson Uzochukwu Eze, Akinlabi Oyetunji, Reginald Umunakwe, Ifeoma Janefrances Umunakwe, Uzoma Samuel Nwigwe
Publikováno v:
AIMS Materials Science, Vol 7, Iss 6, Pp 859-870 (2020)
The production and characterization of metal matrix composites reinforced with fly ash is a very active research area. This paper presents a review on the properties of hybrid aluminum–SiC/fly ash, hybrid aluminum–B4C/fly ash, hybrid aluminum–A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3960489cd55b4ddf6ca65bab83b55d23
http://www.aimspress.com/article/doi/10.3934/matersci.2020.6.859?viewType=HTML
http://www.aimspress.com/article/doi/10.3934/matersci.2020.6.859?viewType=HTML
Autor:
Uzoma Samuel Nwigwe, Victor Adeola Popoola, Akinlabi Oyetunji, Reginald Umunakwe, Ifeoma Janefrances Umunakwe
Publikováno v:
European Journal of Materials Science and Engineering, Vol 5, Iss 1, Pp 17-22 (2020)
Three local extenders obtained from three different locations in the Akure area of Ondo State, Nigeria earlier processed, characterized and reported were used to produce interior decorative emulsion paints of Pigment Volume Concentration within the r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::464aa0550729993e2172aebcdb168ca7
https://doi.org/10.36868/ejmse.2020.05.01.017
https://doi.org/10.36868/ejmse.2020.05.01.017
Autor:
Victor Adeola Popoola, Ifeoma Janefrances Umunakwe, Uzoma Samuel Nwigwe, Akinlabi Oyetunji, Reginald Umunakwe
Publikováno v:
MRS Advances. 4:2355-2365
Soil samples were obtained from three different locations; Ijapo, Ibule and FUTA North Gate in Akure, Ondo State, Nigeria. The materials were dried, crushed and calcined by heating the samples in a muffle furnace to 850 °C, holding for three hours a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2566d142bb50d3df7ec16fc57d0117f
https://doi.org/10.1557/adv.2019.258
https://doi.org/10.1557/adv.2019.258
Autor:
Reginald Umunakwe, Akinlabi Oyetunji, Benjamin Omotayo Adewuyi, Wilson Uzochukwu Eze, Uzoma Samuel Nwigwe, Ifeoma Janefrances Umunakwe
Publikováno v:
Journal of Metals, Materials and Minerals. 29
Nano-CaCO3 (NCC) obtained from Achatina achatina shells were used as single filler and as partial replacement of carbon black (CB) to produce vulcanized natural rubber (NR) filled at 5, 10, 15, 20, 25 and 30 pphr. The SEM micrographs showed that the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b48392b0d4a8dee449970fb8c4a8964a
https://doi.org/10.55713/jmmm.v29i4.555
https://doi.org/10.55713/jmmm.v29i4.555
Autor:
Stephen Ogbonna Mbam, Xiaofan Gou, Sunday Emmanuel Nwonu, Uzoma Samuel Nwigwe, Oluseyi Adewale Orelaja
Publikováno v:
Materials Research Express. 6:122001
Several modern cutting edge technologies, including the superconducting technology, green energy generation/storage technology, and the emerging 5G networks technology, have some form of thin-film coatings. Hence, this critical review showcased the h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c5798e3d7a02cd83df16f1a3d4a6cbc
https://doi.org/10.1088/2053-1591/ab52cd
https://doi.org/10.1088/2053-1591/ab52cd