• Spatiotemporal analysis of droughts using self-calibrating Palmer’s Drought Severity Index in the central region of South Africa 

  Edossa, Desalegn C.; Woyessa, Yali E.; Welderufael, Worku A. (Springer International Publishing AG: Theoretical and Applied Climatology, 2016)

  The loss of life and property from drought events has forced society to focus on the development of reliable early warning systems which may enable farmers and other stakeholders to correctly and timely adapt to the expected ...
• Thermal stability of the cellular structure of an austenitic alloy after selective laser melting 

  Tsvetkova, E. V.; Bazaleeva, K. O; Balakirev, E. V.; Yadroitsev, I. A.; Smurov, I. Yu. (Springer International Publishing AG: Russian Metallurgy (Metally), 2016)

  The thermal stability of the cellular structure of an austenitic Fe–17% Cr–12% Ni–2% Mo–1% Mn–0.7% Si–0.02% C alloy produced by selective laser melting in the temperature range 20–1200°C is investigated. Metallographic ...
• ON THE IMPACT OF DIFFERENT SYSTEM STRATEGIES ON THE MATERIAL PERFORMANCE OF SELECTIVE LASER MELTING- MANUFACTURED TI6AL4V COMPONENTS 

  Dimitrov, Dimitri; Becker, Thorsten Hermann; Yadroitsev, Igor; Booysen, Gerry (Stellenbosch University Library and Information Service : The South African Journal of Industrial Engineering, 2016)

  Selective Laser Melting (SLM) is a powder-based additive manufacturing process that has gained substantial interest in recent years due to its feasibility of producing geometrically- complex metallic components for end-use ...
• Layer-by-layer laser synthesis of Cu–Al–Ni intermetallic compounds and shape memory effect 

  Volyanski, I.; Shishkovsky, I. V.; Yadroitsev, I.; Shcherbakov, V. I.; Morozov, Yu. G. (Springer International Publishing AG: Inorganic Materials, 2016)

  We have studied conditions for the synthesis of intermetallic phases in the Cu–Al–Ni system by selective laser sintering/melting, in particular by heating a powder mixture to 300°C. The effects of laser synthesis and heating ...
• Laser-assisted synthesis in CueAleNi system and some of its properties 

  Sky, I. Shishkov; Yadroitsev, I.; Morozov, Yu. (Elsevier B.V: Journal of Alloys and Compounds, 2016)

  Conditions of intermetallic phase synthesis during layerwise selective laser sintering/melting in CueAl eNi powdered system were explored. There to we used optical and scanning electron microscopy, EDX and XRD analysis ...
• Deformation Behavior and Microstructure of Ti6Al4V Manufactured by SLM 

  Krakhmalev, P.; Fredriksson, G.; Yadroitsava, I.; Kazantseva, N.; du Plessis, A.; Yadroitsev, I. (Elsevier B.V: Physics Procedia, 2016)

  Mechanical properties, porosity, and microstructure of Ti6Al4V (ELI) material produced by Selective Laser Melting (SLM) under controlled oxygen content were analyzed. Fully martensitic α’structure with high dislocation ...
• VALIDATION OF MINIATURISED TENSILE TESTING ON DMLS TI6AL4V (ELI) SPECIMENS 

  van Zyl, Ian; Moletsane, M; Krakhmalev, Pavel (The South African Journal of Industrial Engineering, 2016)

  Direct metal laser sintering (DMLS) is a relatively new technology that is developing rapidly. Since DMLS material is created by melting/solidifying tracks and layers from powder, even building geometry can influence the ...
• RESIDUAL STRESS IN TI6AL4V OBJECTS PRODUCED BY DIRECT METAL LASER SINTERING 

  van Zyl, Ian; Yadroitsava, Ina; Yadroitsev, Igor (The South African Journal of Industrial Engineering, 2016)

  Direct Metal Laser Sintering produces 3D objects using a layer-by-layer method in which powder is deposited in thin layers. Laser beam scans over the powder fusing powder particles as well as the previous layer. ...
• Some happy, others sad: exploring environmental justice in solid waste management in Kinshasa, The Democratic Republic of Congo 

  Kubanza, Nzalalemba Serge; Das, Dillip Kumar; Simatele, Danny (Local Environment: The International Journal of Justice and Sustainability, 2017)

  This paper explores the concept of environmental justice (EJ) in solid waste management (SWM) in Kinshasa, the Democratic Republic of Congo (DRC). It evaluates the extent to which EJ occurs in SWM and discusses the factors ...
• Resolving contractor commitment challenges in project delivery by using conceptual system dynamics models 

  Aiyetan, Olatunji Ayodeji; Das, Dillip (Journal of Construction Project Management and Innovation, 2016)

  Contractors play a vital role in construction projects. However, their lack of commitment is argued to be one of the major barriers against successful project delivery. This investigation was aimed at to explore how ...
• Influence of infrastructure on the economic perspectives of regional tourism development in Odisha State in India 

  Das, Dillip Kumar (The Indian Journal of Economics, 2015)
• Cluster analysis for exploring regional industrial scenario in Odisha state, India 

  Das, Dillip Kumar (Indian Journal of Regional Science, 2016)

  This study assesses the current industrial scenario using cluster analysis, and explores plausible perspectives for location of apposite industries in the geographical region bounded by the river valleys and flood plains ...
• An integrated approach for modeling the electricity value of a sugarcane production system 

  Mutanga, Shingirirai Savious; de Vries, Marne; Mbohwa, Charles; Kumar, Dillip Das (Elsevier: Applied Energy, 2016)

  The spatial system dynamics model (SSDM) of sugarcane industrial ecosystem presented in this paper is towards an integrated approach to simulate a bio refinery system suggesting directions for bagasse and trash-derived ...
• Shortcomings in the estimation of clay fraction by hydrometer 

  Stott, P; Theron, E (scielo: Journal of the South African Institution of Civil Engineering, 2016)

  The estimation of clay fraction is important for predicting the engineering properties of a soil. SANS 3001 GR3 (SANS 2011) specifies a procedure for clay fraction determination using a hydrometer. It has long been suspected ...
• multi-agent based distributed voltage control algorithm for Smart Grid Applications 

  Manditereza, Patrick; Bansal, Ramesh (Journal Electric Power Components and Systems, 2016)

  The integration of renewable energy generators in distribution networks has increased the complexity of the voltage control problem rendering traditional control methods ineffective. This article proposes a voltage control ...
• Renewable distributed generation: The hidden challenges – A review from the protection perspective 

  Manditereza, Patrick Tendayi; Bansal, Ramesh (Elsevier: Renewable and Sustainable Energy Reviews, 2016)

  This review paper is focused on the impact of distributed generation (DG) on distribution system protection. The integration of DG is transforming the traditional radial distribution system into a multi-source system that ...
• Derivation and verification of empirical catchment response time equations for medium to large catchments in South Africa 

  Gericke, O. J.; Smithers, J. C. (John Wiley & Sons: HYDROLOGICAL PROCESSES, 2016)

  Despite uncertainties and errors in measurement, observed peak discharges are the best estimate of the true peak discharge from a catchment. However, in ungauged catchments, the catchment response time is a fundamental ...
• Are estimates of catchment response time inconsistent as used in current flood hydrology practice in South Africa? 

  Gericke, O J; Smithers, J C (Journal of the South African Institution of Civil Engineering, 2016)

  Catchment response time parameters are one of the primary inputs required when design floods, especially in ungauged catchments, need to be estimated. The time of concentration (TC) is the most frequently used time parameter ...
• TENSILE PROPERTIES AND MICROSTRUCTURE OF DIRECT METAL LASER-SINTERED TI6AL4V (ELI) ALLOY 

  Moletsane, M G; Krakhmalev, Pavel; Kazantseva, N; du Plessis, Anton; Yadroitsava, I; Yadroitsev, I (Stellenbosch University Library and Information Service : The South African Journal of Industrial Engineering, 2016)

  Direct metal laser sintering (DMLS) is an additive manufacturing technology used to melt metal powder by high laser power to produce customised parts, light-weight structures, or other complex objects. During DMLS, powder ...
• Coordination control of robot manipulators using flat outputs 

  Markusa, Elisha D.; Yskander, Hamam; Ageeb, John T.; Jimoh, Adisa A. (Robotics and Autonomous Systems, 2016)

  This paper focuses on the synchronizing control of multiple interconnected flexible robotic manipulators using differential flatness theory. The flatness theory has the advantage of simplifying trajectory tracking tasks ...

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