Author:Mathoho, Ipfi; Arthur, Nana KK; Tlotleng, MonnammeDate:Feb 2023The current study embarked on developing the H950 aging condition for 17-4 PH stainless steel that was manufactured through the DED process. The driving force for carrying out this study was that, when the H950 condition was applied to 17-4 ...Read more
Author:Naicker, Dhananathan M; Purdon, Kyla; Ramruthan, KshirDate:Nov 2023Small South African manufacturing companies, endeavouring to benefit from Fourth Industrial Revolution (4IR) technologies, specifically automation, are restricted by exorbitant costs and the lack of know-how associated with automation. This ...Read more
Author:Moore, K; Kouprianoff, D; Louw, Daniel F; Yadroitsava, I; Yadroitsev, IDate:Dec 2023Delaminations and cracks are detrimental phenomena that hinder the quality of the final product in metal additive manufacturing. The effective use of other online monitoring systems that can detect these deformations and delaminations during ...Read more
Author:Sibisi, PN; Popoola, API; Arthur, Nana KK; Pityana, Sisa L; Popoola, OMDate:Oct 2019Direct Metal Laser Deposition (DMLD) processes such as LENS are gaining ground in commercial manufacturing processes of functional end-products. This is attributed to this process being popularized as a sustainable technology with the potential ...Read more
Author:Ramasobane, P; Mashinini, MP; Masina, Bathusile NDate:Nov 2023This study investigated the nano mechanical properties of Ti6Al4V-ELI embraced with TiC particles, synthesized with in situ laser metal deposition technique. The 3.85% feed ratio fraction TiC/Ti6Al4V-ELI composite samples were manufactured ...Read more
Author:Lesufi, M; Akinwamide, SO; Makoana, Nkutwane W; Tshabalala, Lerato C; Olubambi, PADate:Sep 2022This study investigates the microstructural, nanomechanical, and corrosion behaviour of different sections of 410 steel fabricated via directed energy deposition technique. The morphology exhibited by the longitudinal and transverse sections ...Read more
Author:Loveday, PW; Long, Craig SDate:Nov 2022Guided wave ultrasound has been used to continuously monitor welded rail track by transmitting guided wave ultrasound between alternate transmit and receive stations along the rail. A section of rail was encountered where transmission was not ...Read more
Author:Chauke, Sipho H; Ombinda-Lemboumba, Saturnin; Dube, FS; Mthunzi-Kufa, PatienceDate:Jan 2024Tuberculosis (TB) remains one of the most important infectious diseases globally, killing approximately 1.5 million people annually. The burden of infection is disproportionately high in low-income and resource-limited settings. This disparity ...Read more
Author:Maweni, Thabisa; Setati, Tiro; Botha, NatashaDate:Nov 2023Inventory management in warehouses is a crucial task in the logistics industry. Manual stocktaking in larger-scale warehouses can be time-consuming and labour-intensive. To automate this process, unmanned aerial vehicles (UAVs) have gained ...Read more
Author:Mfusi, Busisiwe J; Mathe, Ntombizodwa R; Makoana, Nkutwane W; Popoola, PDate:Nov 2022Surface morphology is a significant aspect of a solid material, whether for aesthetic or functional purposes and currently, through different surface modification methods, developments have been dedicated into advancing metallic materials to ...Read more
Author:Modikwe, T; Maledi, N; Mathe, Ntombizodwa R; Pityana, Sisa L; Dada, M; Makoana, Nkutwane WDate:Nov 2022Stainless steels, Ni-based alloys, Ti-based alloys, and more recently high entropy alloys have been used in the aerospace industry to improve the exterior properties of components and coatings that require a fine surface finishing with over ...Read more
Author:Olakanm, EO; Hoosain, Shaik E; Lawal, SA; Pityana, Sisa LDate:Jun 2022Tailoring materials’ microstructural characteristics to meet mechanical functional requirements is quite critical in designing wear resistant coatings. To the best of our knowledge, no study had related carbide dissolution ratio (CDR) in laser ...Read more
Author:Botha, Natasha; Van Eden, Beatrice; Lehman, Lodewyk; Verster, Jacobus JDate:Nov 2023There is an increased interest in using aerial robotic platforms for indoor applications in industrial and manufacturing environments. One such example is stocktaking in warehouses, where the use of other mobile robotic systems is not efficient ...Read more
Author:Setati, Tiro; Maweni, Thabisa; Botha, NatashaDate:Nov 2023There is a need to ensure that an Unmanned Aerial Vehicle (UAV) can fly safely in indoor environments. In this paper, the visual inertial odometry (VIO) implemented in a commercial UAV is tested to determine its reliability to keep its position ...Read more
Author:Van Eden, Beatrice; Botha, NatashaDate:Nov 2023Collaborative robots are adopted in the drive towards Industry 4.0 to automate manufacturing, while retaining a human workforce. This area of research is known as human-robot collaboration (HRC) and focusses on understanding the interactions ...Read more
Author:De Ronde, Willis; Crafford, G; Roux, Pieter W; Wenhold, Derryn LDate:Nov 2023Complex factory layouts can be improved by performing optimization on the layout in discrete event simulation packages. Creating models of complex factories in these simulation packages can, however, be very time-consuming and generally ...Read more