Author:Gummow, RJ; Thackeray, MMDate:May 1994Cathode materials that have been synthesized by reduction of lithium-manganese- Cathode materials that have been synthesized by reduction of lithium-manganese-oxide and manganese-oxide precursors with hydrogen at 300 to 350-degrees-C, and ...Read more
Author:Oluwaleye, Oluwaleye; Madhuku, M; Mwakikunga, Bonex W; Moloi, SJDate:Apr 2019Indium Tin Oxide (ITO) thin films have been used extensively in many applications, such as solar cells. In particular, ITO has been the material of choice in flat panel displays as one of its electrodes due to its low resistivity, high ...Read more
Author:Cordeiro, N; Gouveia, C; Jacob John, MayaDate:Jan 2011Inverse gas chromatography (IGC) is a suitable method to determine surface energy of natural fibres when compared to wetting techniques. In the present study, the surface properties of raw and modified lignocellulosic fibres have been ...Read more
Author:Wellington, Kevin W; Nyoka, NBP; McGaw, LJDate:Jan 2019The WHO has stated that antibiotic resistance is escalating to perilously high levels globally and that traditional therapies of antimicrobial drugs are futile against infections caused by resistant microorganisms. Novel antimicrobial drugs ...Read more
Author:Labuschagne, Philip W; John, Maya J; Sadiku, REDate:Jul 2010The degree of homogeneity and H-bond interaction in blends of low-molecular-mass poly(ethylene glycols) (PEG, Mw = 400, 600, 1000) and poly(vinylpyrrolidone) (PVP, Mw =9×103) prepared in supercritical CO2, ethanol and as physical mixtures ...Read more
Author:Motaung, DE; Malgas, GF; Arendse, CJ; Malwela, TDate:Jun 2010The authors investigate the effect of substrate annealing prior to the deposition of the active layer on the morphological, structural and opto-electrical properties of two variations of organic polymer blends of poly (3-hexylthiophene):C60 ...Read more
Author:Komba, Julius J; Mgangira, Martin B; Mohale, LDate:Jul 2016The fundamental shape/morphological properties of coarse aggregates including form, angularity, and surface texture are known to influence the performance of pavements. The coarse aggregate shape properties are affected by many factors, amongst ...Read more
Author:Bhaumik, M; Mahule, TS; Srinivasu, VV; Maity, ArjunDate:Jun 2019One-dimensional composite nanostructures of chloride-doped polyaniline (PANI-Cl) and Fe nanoparticles (NPs) were fabricated via deposition of Fe NPs onto the PANI nanofiber matrix at room temperature. Morphological and structural characterization ...Read more
Author:Pandelani, Thanyani ADate:Jun 2014In this study, the responses of the HIII and MiL-Lx surrogate legs were evaluated at several blast loading conditions using the Modified Lower Limb Impactor. The impact tests were conducted using a lower limb impactor with the leg mounted ...Read more
Author:Wall, KDate:Apr 2006There is a need in South Africa for institutional innovations aimed at increasing the coverage of water services, and sustaining those services. The paper describes an investigation of an alternative service delivery institutional concept, ...Read more
Author:Nomqonde, BH; Mashinini, PM; Lekoadi, Paul M; Masina, Bathusile NDate:Nov 2022This study investigated the microstructure evolution of the TiC/Ti-6Al-4V matrix composite produced using a 1073 nm continuous wave (CW), IPG Ytterbium fibre laser. The influence of thermal gradient, overlap, and re-melting of the previous ...Read more
Author:Mametja, MBDate:Nov 2008FT-IR and FT-Raman spectra of 1,1,1-trichlorethane (CH3CCl3) were recorded in the regions 400 – 3500 cm-1 and 200 – 3500 cm-1 respectively. The observed vibrational numbers were analysed and assigned to different normal modes of vibration of ...Read more
Author:Blitz, JG; Uys, JM; Petrick, AJDate:1950The introduction of oil mixtures for impregnating timber in which penta-chloro-phenol is the active medium and kerosene the major vehicle component caused some apprehensive that explosive mixtures might be formed in the impregnation vessels.Read more
Author:Seerane, MN; Chikwanda, HK; Focke, W; Machaka, RonaldDate:Oct 2013Powder loading is one of the most critical factors in metal injection moulding (MIM) technology. It largely determines the success or failure of the subsequent MIM processes. A gas-atomized Ti6Al4V powder was investigated to determine an ...Read more
Author:Hoosain, SE; Tshabalala, Lerato C; Skhosana, Besabakhe S; Freemantle, C; Mndebele, NDate:Nov 2021One of the main considerations in adopting the additive manufacturing (AM) technology is whether the material properties of the AM-produced part are comparable with the wrought material. This study compared the properties of AM-produced 304 ...Read more
Author:Moller, H; Govender, G; Stumpf, WEDate:2008The heat treatment cycles that are currently applied to semi-solid processed components are mostly those that are in use for dendritic casting alloys. These heat treatments are not necessarily the optimum treatments. It is shown that a decrease ...Read more
Author:Raganya, Mampai L; Moshokoa, Nthabiseng; Obadele, BA; Olubambi, PA; Machaka, RonaldDate:2020Extensive efforts have been undertaken to develop Ti alloys consisting of single ß phase in order to substitute the a + ß phase in Ti-6Al-4V used as biomaterials. This study was aimed at investigating the tensile properties of solution treated ...Read more