Search Results - "Mativenga, Paul"

Critical factors in energy demand modelling for CNC milling and impact of toolpath strategy by Aramcharoen, Ampara, Mativenga, Paul T.

“…Reducing energy demand in manufacture is an urgent challenge. This challenge is driven by higher consumer demand for manufactured products, increasing…”
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Comparison of tool wear mechanisms and surface integrity for dry and wet micro-drilling of nickel-base superalloys by Imran, Muhammad, Mativenga, Paul T., Gholinia, Ali, Withers, Philip J.

“…The study focuses on the surface integrity and wear mechanisms associated with mechanical micro-drilling of nickel-base superalloy (Inconel 718) under dry and…”
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Structured and textured cutting tool surfaces for machining applications by Özel, Tuğrul, Biermann, Dirk, Enomoto, Toshiyuki, Mativenga, Paul

“…In the past few decades, there has been considerable advancement in developing and testing structured and textured cutting tools for different machining…”
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Water quality in a mining and water-stressed region by Mhlongo, S'phamandla, Mativenga, Paul T., Marnewick, Annlizé

“…The aim of this study was to evaluate trends in water quality and mineral footprint along the catchment of a dam located in a coal mining area and…”
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Modelling of energy demand from computer numerical control (CNC) toolpaths by Edem, Isuamfon F., Mativenga, Paul T.

“…It is important to accurately model the total electrical energy requirements in order to compare and select the least energy consumption toolpath in a…”
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Energy intensity and environmental analysis of mechanical recycling of carbon fibre composite by Howarth, Jack, Mareddy, Sada S.R., Mativenga, Paul T.

“…The increased usage of composites in industry coupled with European Union restrictions on landfill disposal has resulted in an urgent need to develop resource…”
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COVID-19 PPE plastic material flows and waste management: Quantification and implications for South Africa by Olatayo, Kunle Ibukun, Mativenga, Paul T., Marnewick, Annlizé L.

“…The COVID-19 pandemic has exposed the vulnerability of countries to resource constraints while highlighting the indispensability of plastic. Personal…”
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A comparative study on cutting performance of rake-flank face structured cutting tool in orthogonal cutting of AISI/SAE 4140 by Fatima, Anis, Mativenga, Paul T.

“…Surface structuring on cutting tools is a modern application of surface structuring that has shown improvements in tribological phenomena at tool-chip…”
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Impact of un-deformed chip thickness on specific energy in mechanical machining processes by Balogun, Vincent A., Mativenga, Paul T.

“…Energy demand reduction is a grand challenge for manufacturing sustainability in order to reduce the escalating cost of energy and to cut down on the carbon…”
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Pathways to zero plastic waste landfill: Progress toward plastic circularity in South Africa by Olatayo, Kunle Ibukun, Mativenga, Paul T., Marnewick, Annlizé L.

“…The accumulation of waste in landfill is currently a challenge globally and in South Africa. The primary motivation of this research was to contribute to…”
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Plastic value chain and performance metric framework for optimal recycling by Olatayo, Kunle Ibukun, Mativenga, Paul T., Marnewick, Annlizé L.

“…Despite the promotion of plastic recycling to sustainably manage plastic waste and advance the circular economy, existing plastic recycling systems globally…”
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Chilled Air System and Size Effect in Micro-milling of Nickel−Titanium Shape Memory Alloys by Zainal Abidin, Zailani, Tarisai Mativenga, Paul, Harrison, Gary

“…Although Nickel-Titanium Shape Memory Alloys (NiTi SMAs) are used in a variety of applications due to their shape memory and superelasticity properties, their…”
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Impact of feed axis on electrical energy demand in mechanical machining processes by Edem, Isuamfon F., Mativenga, Paul T.

“…To reduce energy demand in manufacturing, it is important to make products using the most energy efficient process plan and resources. In machining,…”
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Assessment of tool rake surface structure geometry for enhanced contact phenomena by Fatima, Anis, Mativenga, Paul T.

“…The tribological conditions for mating surfaces can be improved by surface structuring. For tool rake faces, this can lead to reduced frictional forces. This…”
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Specific energy based evaluation of machining efficiency by Balogun, Vincent A., Edem, Isuamfon F., Adekunle, Adefemi A., Mativenga, Paul T.

“…Rubbing and ploughing increase the tool tip energy demand in machining. An efficient set of cutting conditions would direct the energy into material shearing…”
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Measuring the performance and maturity of the plastic recycling value chain system: implications and prospects by Olatayo, Kunle Ibukun, Mativenga, Paul T., Marnewick, Annlizé L.

“…The sustainability of plastic materials and products requires the continuous improvement of the circular pathways for the material. A key strategy in the…”
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Environmental performance evaluation of different cutting environments when milling H13 tool steel by Mulyadi, Ismet Hari, Balogun, Vincent Aizebeoje, Mativenga, Paul T.

“…Limited availability of natural resources and the negative environmental burden of industrial processes are driving environmental awareness and resource…”
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High voltage fragmentation and mechanical recycling of glass fibre thermoset composite by Mativenga, Paul T., Shuaib, Norshah A., Howarth, Jack, Pestalozzi, Fadri, Woidasky, Jörg

“…Global increase of composite waste urgently requires innovative recycling technology. The three dimensional cross-linked structure makes melting and remoulding…”
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An investigation on the impact of toolpath strategies and machine tool axes configurations on electrical energy demand in mechanical machining by Edem, Isuamfon F., Balogun, Vincent A., Mativenga, Paul T.

“…Manufacturing sustainability and minimal environmental impacts of machining processes could be achieved by embracing energy demand reduction strategies. These…”
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Wear mechanisms analysis for turning Ti-6Al-4V—towards the development of suitable tool coatings by Jaffery, Syed H. Imran, Mativenga, Paul T.

“…Titanium alloys are materials of choice for a wide range of applications. Their high strength and low density make them suitable for aerospace applications…”
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