Author:Olakanmi, EO; Sepako, M; Morake, J; Kutua, S; Hoosain, Shaik E; Pityana, Sisa LDate:Aug 2018The engagement of additive manufacturing (AM) technology in developing intermetallic coatings involves additional heat treatment with a view to obtaining desirable microstructure and mechanical properties. This eventually increases the lead ...Read more
Author:Barkhuysen, FA; Chapple, Stephen A; Blunt, J; Lemon, HDate:Sep 2005The main disadvantage of coarse wool and mohair is their harshness, making them unacceptable to the consumer. The best way to improve the softness of coarse fibres is by a chemical treatment. In this regard, a variety of options are available ...Read more
Author:Mngomezulu, ME; Luyt, AS; Chapple, Stephen A; Mathew, Maya JDate:Sep 2018The effect of expandable graphite (EG) on the flammability and thermal stability of a poly(lactic acid) (PLA)-starch/poly(E-caprolactone) (PCL) blend was investigated. The samples were prepared by melt-mixing and characterized by thermogravimetric ...Read more
Author:Stark, T; Chakauya, E; Kabamba, A; Morris, L; Rybicki, E; Chikwamba, Rachel KDate:Aug 2010Sub-Saharan Africa remains the region most heavily affected by HIV, and the majority of new infections from heterosexual contact are in women. Griffithsin (GRFT), a lectin isolated from the red algae Griffithsia, has shown extreme potency ...Read more
Author:Stoffberg, ME; Hunter, Lawrance; Botha, Anton FDate:Oct 2015The effect of fabric structural parameters and fiber type on the comfort-related properties, namely water vapor resistance and thermal resistance, of commercial apparel (suiting) fabrics, containing both natural and man-made fibers have been ...Read more
Author:Mochane, MJ; Sefadi, JS; Motsoeneng, TS; Mokoena, TE; Mofokeng, Tladi G; Mokhena, Teboho CDate:Apr 2020In recent times, the field of biopolymer (BP) blends has been the focus of intensive fundamental and applied researches. Such BP combinations possess unique properties that are different from those of the individual components. However, most ...Read more
Author:Govender, N; Trollope, WSW; Van Wilgen, BWDate:Aug 2006Fire is important for the maintenance and conservation of African savanna ecosystems. Despite the importance of fire intensity as a key element of the fire regime, it is seldom measured or included in fire records. 2. We estimated fire intensity ...Read more
Author:Adewusi, EA; Fouché, Gerda; Steenkamp, VDate:2013Amyloid-beta peptide (Aß) is implicated in the pathogenesis of Alzheimer’s disease (AD), a neurodegenerative disorder. This study was designed to determine the effect of four medicinal plants used to treat neurodegenerative diseases on ...Read more
Author:Makola, MM; Dubery, IA; Koorsen, G; Steenkamp, Paul A; Kabanda, MM; Du Preez, LL; Madala, NEDate:2016A potent plant-derived HIV-1 inhibitor, 3,5-dicaffeoylquinic acid (diCQA), has been shown to undergo isomerisation upon UV exposure where the naturally occurring, 3(suptrans), 5(suptrans)-diCQA isomer gives rise to the 3(supcis), 5(suptrans)-diCQA, ...Read morecb
Author:Pelembe, LAM; Dewar, J; Taylor, JRNDate:2004The effect of germination moisture and time on pearl millet malt quality was investigated. Two pearl millet varieties SDMV 89004 and 91018 were germinated at 25degreesC under three different watering regimes for 5 days. As with sorghum malting, ...Read more
Author:Schmitz, P; Eksteen, SDate:Jul 2014Worldwide geospatial datasets have become more readily available to non-expert users via the Internet and have changed the context in which spatial data is used. The quality of the available datasets can only be assessed if the corresponding ...Read more
Author:Chauke, Levy; Curle, Ulyate A; Govender, Gonasagren SDate:Oct 2017Traditionally aluminium casting alloy 513 is not heat treated after permanent mould casting. Al-Mg alloys are generally not heat treatable but the higher Zn content in this alloy could render it heat treatable. It could be expected that in ...Read more
Author:Lekoadi, Paul M; Tlotleng, Monnamme; Annan, K; Maledi, N; Masina, Bathusile NDate:Nov 2022This study presents the investigation of the influence of heat treatment on microstructure, hardness and tensile properties of high-speed selective laser melted Ti6Al4V components. Heat treatment was performed to obtain an improved microstructure ...Read more
Author:Malatji, N; Lengopeng, T; Pityana, Sisa L; Popoola, APIDate:Oct 2020The comprehensive properties exhibited by dual-phase high-entropy alloys (HEA) increase their prospects of finding use in engineering applications. However, the distribution of the phases that are present in the alloys has a significant effect ...Read more
Author:Theron, Maritha; Knutsen, RD; Ivanchev, LH; Burger, HPDate:Feb 2012Semi-solid metal rheo-cast F357 aluminum plates were joined by autogenous Nd:YAG laser welding and were welded in either the as-cast (F) condition, T4 temper or T6 temper condition. The weldability of this age-hardenable Al–7%Si–0.6%Mg casting ...Read more
Author:Kgoahla, Reneilwe M; Lekoadi, Paul M; Masina, Bathusile NDate:Nov 2023This study presented the investigation of the influence of post heat treatment temperature on the microstructure and hardness of TiC/Ti6Al4V composite manufactured with laser metal deposition. Heat treatment was performed to improve the ...Read more
Author:Byaruhanga, YB; Erasmus, C; Taylor, JRN; Emmambux, MNDate:Jan 2007Edible films can be produced from kafirin but the diverse food product requirements necessitate modification of the films. To modify their functional properties, kafirin films were cast, with and without plasticizer, from glacial acetic acid ...Read more
Author:Roro, Kittessa T; Tile, N; Yalisi, B; Forbes, ADate:May 2011For efficient photo-thermal conversion of solar energy a spectrally selective solar absorber surfaces are widely used. An ideal selective surface should have a high absorptance (low reflectance) in the solar wavelength range (0.3 to 2.5 µm) ...Read more