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
Author:Mokoduwe, SM; Van Rooyen, IJ; Neethling, JH; Janse van Vuuren, A; Olivier, EJDate:Oct 2010Recent research and development activities of the PBMR Fuel Characterization and Optimization Programme focused on the high temperature characteristics of the PBMR fuel and more specifically on the SiC layer. PBMR fuel consists of Tri-Isotropic ...Read more
Author:Moilwa, N; Wilkinson, MDate:Nov 2006Diarrhoeal disease is a major concern to the South Africa government. Understanding the relationship between the lack of water and sanitation and diarrhoeal disease, the government has developed a national initiative to provide poor and rural ...Read more
Author:Adeyemi, A; Botai, J; Ramoelo, Abel; van der Merwe, F; Tsela, PDate:Nov 2015The Tshwane Metropolis, Gauteng Province, South Africa, continues to experience rapid urbanization as a result of population growth. This has led to the conversion of natural lands into large man-made landscapes i.e., increase in impervious ...Read more
Author:Masina, Bathusile N; Skhosane, Besabakhe S; Tlotleng, MonnammeDate:2020The direct laser-deposited Inconel 718 (IN718) specimens were produced using 1073 nm, high power continuous wave (CW), IPG Ytterbium fibre laser and in-situ heat treatment. The laser power and in-situ heat treatment temperature were fixed ...Read more
Author:Galuszynski, S; Gee, E; Robinson, GADate:Feb 1984An all-wool, an all-polyester and a wool/polyester blend fabric were each fused at the same interlining under industrial conditions.Read more
Author:Zain, EM; Youssef, AF; Sabbagh, AEI; Pityana, Sisa L; Taha, MADate:Dec 2021Nickel Titanium alloy (Nitinol) is characterized by its good mechanical properties, good damping properties in addition to its distinctive shape-memory effect and superelasticity effect besides its great bio-mechanical compatibility and ...Read more
Author:Dada, M; Popoola, P; Mathe, Ntombizodwa R; Pityana, Sisa L; Adeosun, SDate:May 2020This preliminary study investigates the fabrication of Al-Co-Cr-Fe-Ni-Cu and Al-Ti-Cr-Fe-Co-Ni High Entropy Alloys with the Laser Deposition Technique. The effect of the laser parameters on the microstructure and hardness properties of the ...Read more
Author:Mokgalaka, MN; Pityana, Sisa L; Popoola, API; Meacock, CDate:Oct 2012Titanium is an attractive choice for many components in the aerospace, automotive and biomedical industry. It is frequently chosen as one of the preferred alloys for parts and components due to the excellent combination of specific mechanical ...Read more
Author:Mahamood, RM; Akinlabi, ET; Shukla, M; Pityana, Sisa LDate:Oct 2012This paper reports the effect of laser power on the optimum utilization of the powder material, the layer height and the width of the laser Metal Deposited Ti6Al4V. The Ti6Al4V powder was deposited on Ti6Al4V substrate using an Nd: YAG laser ...Read more
Author:Phala, MF; Popoola, API; Tlotleng, Monnamme; Pityana, Sisa LDate:2018A binary Ti-Si (1 : 1) alloy coating was fabricated on Ti-6Al-4V alloy using laser cladding technique where Neodymium yttrium aluminium garnet laser was utilised. Micro-atomised powders of Ti and Si were used for deposition of multi-track ...Read more