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: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
Author:Anochie-Boateng, Joseph; George, Theresa BDate:Jun 2017Recent study at the Council for Scientific and Industrial Research in South Africa has revealed the potential to substitute depleting natural aggregates with waste crushed glass in asphalt mixes. This paper presents an investigation of the ...Read more
Author:Lekoadi, Paul M; Tlotleng, Monnamme; Siyasiya, Charles; Masina, Bathusile NDate:Nov 2023This study presents the investigation of TiB distribution characteristics on the microstructure of in-situ synthesized TiB/Ti6Al4V single-track composites manufacture with laser metal deposition. Ti6Al4V alloy was reinforced by adding TiB2 ...Read more
Author:Adeniran, A; Motsatsi, Lorato L; Mbanga, S; Ayesu-Koranteng, E; Shakantu, WDate:2022Solid waste is a global challenge that is more pronounced in developing countries such as South Africa, where its management is a major concern. The government has recently made a concerted effort to engage the public in sustainable waste ...Read morecbna
Author:Lekoadi, Paul M; Tlotleng, Monnamme; Siyasiya, CW; Masina, Bathusile NDate:May 2023This work presents the microstructural investigation of an in situ synthesized TiB/Ti6Al4V-ELI composite that was manufactured with additive manufacturing (AM) technique known as laser metal deposition (LMD). A single-track sample was ...Read more
Author:Badou, DF; Afouda, A; Diekkruger, B; Kapangaziwiri, EvisonDate:Jul 2015West Africa has experienced severe droughts during 1970s and 1980s. On the other hand, the region is characterized by high inter-annual rainfall variability and there seems to be a recent recovery. But has the drought stopped? To answer this ...Read more
Author:Watson, BP; Mosomane, SM; Kuijpers, JS; Roberts, David PDate:Aug 2008The first crush pillars on the Bushveld platinum mines were introduced at Union Section in 1978. Before the introduction of crush pillars, serious problems were experienced when stoping advanced to a point 30 m to 40 m on both sides of the ...Read more
Author:Halland, K; Britz, K; Gerber, ADate:Jul 2011In this paper, the authors discuss the advantages of using formal medical ontologies to enhance health information systems. In particular, they consider the suitability of the medical ontology Snomed CT for enhancing a health information ...Read more
Author:Kumar, Neeraj; Ray, Suprakas S; Ngila, JCDate:Oct 2018Herein, Ag(subscript2)Te and Ag/Ag(subscript2)Te nanocrystals were synthesised via a hydrothermal method using diphenyl ditelluride as a new tellurium source and 1-butyl-3-methyl imidazolium acetate (BMIA IL) as a structure controlling and ...Read more
Author:Mongwaketsi, N; Ndungu, PG; Nechaev, A; Maaza, M; Sparrow, RDate:Jan 2010Track-etched polymer membranes are typically used as templates in the synthesis of various nanowires or nanotubes arrays. The unique advantages of track-etched membranes, such as uniform pore structure, excellent porosity, easily tailored ...Read more
Author:Khutsoane, Oratile C; Isong, B; Abu-Mahfouz, Adnan MIDate:Oct 2017Internet of Things (IoT) has revolutionized the traditional Internet where only human-centric services were offered. It has enabled objects to have the ability to connect and communicate through the Internet. IoT has several applications such ...Read more
Author:Ndiaye, M; Oyewobi, SS; Abu-Mahfouz, Adnan MI; Hancke, GP; Kurien, AM; Djouani, KDate:Oct 2020The novel coronavirus (COVID-19), declared by the World Health Organization (WHO) as a global pandemic, has brought with it changes to the general way of life. Major sectors of the world industry and economy have been affected and the Internet ...Read more
Author:Smith, Andrew C; Butgereit, LDate:Nov 2012The demand for electrical energy is increasing globally. Both the average as well as the anticipated peak demand must be considered by the supplier when designing an electrical supply. We present an Internet of Things – based system, and a ...Read more
Author:Nigussie, E; Musumba, G; Tegegne, T; Lemma, A; Mekuria, FissehaDate:Nov 2020Ensuring food security has become a challenge in Sub-Saharan Africa (SSA) due to combined effects of climate change, high population growth, and relying on rainfed farming. Governments are establishing shared irrigation infrastructure for ...Read more