Browsing Research Articles (University of Pretoria) by Subject "Yarn"

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Electrochemical performance of hybrid supercapacitor device based on birnessite-type manganese oxide decorated on uncapped carbon nanotubes and porous activated carbon nanostructures

Ochai-Ejeh, F.O. (Faith); Madito, M.J. (Moshawe); Makgopa, Katlego; Rantho, Mologadi Nkiyasi; Olaniyan, Okikiola; Manyala, Ncholu I. (Elsevier, 2018-11)

Please read abstract in the article.
Preparation of carbon nanofibers/tubes using waste tyres pyrolysis oil and coal fly ash derived catalyst

Rambau, Khavharendwe Melba Amukelani; Musyoka, Nicholas M.; Manyala, Ncholu I.; Ren, Jianwei; Langmi, Henrietta Wakuna; Mathe, Mkhulu K. (Taylor and Francis, 2018)

In this study, two waste materials namely; coal ﬂy ash (CFA) and waste tyres pyrolysis oil, were successfuly utilized in the synthesis of carbon nanoﬁbers/tubes (CNF/Ts). In addition, Fe-rich CFA magnetic fraction (Mag-CFA) ...
Tribological and mechanical properties of polyamide-11/halloysite nanotube nanocomposites

Sahnoune, Mohamed; Kaci, Mustapha; Taguet, Aurélie; Delbé, Karl; Mouffok, Samir; Abdi, Said; Lopez-Cuesta, José-Marie; Focke, Walter Wilhelm (De Gruyter, 2019-01)

This article reports some morphological, tribological, and mechanical data on polyamide-11(PA11)/halloysite nanotube (HNT) nanocomposites prepared by melt-compounding. HNTs extracted from the Djebel Debbagh deposit in ...

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