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Date: 2014
Type: Article
Identifier: uj:5020
Description: The drive for finding alternative energy to supplement fossil based fuel within the South African energy sector has led to research on waste to energy in particular biomethane as vehicular fuels. Biog ... More
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Date: 2013
Type: Article
Identifier: uj:4850
Description: Sandstones from Qwa Qwa in South Africa were characterised for their mineralogical and physical properties. Six samples (whitish, greenish, blackish, reddish, yellowish and greyish) were collected and ... More
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Date: 2013
Type: Article
Identifier: uj:4724
Description: In the bending operation, springback causes geometrical inaccuracies of bent parts. To curb springback, various factors such as bending parameters and material properties need to be considered. This p ... More
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Date: 2013
Type: Article
Identifier: uj:4830
Description: The detailed design of a clamping and support system for a reconfigured milling machine to produce friction stir welds is reported in this paper. Two different concepts were considered and subjected t ... More
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Date: 2013
Type: Article
Identifier: uj:4847
Description: Friction Stir Welding (FSW) is a solid state welding process used for welding similar and dissimilar materials. The process is widely used because it produces sound welds and does not have common prob ... More
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Date: 2013
Type: Article
Identifier: uj:6040
Description: This paper discusses the status of used oil derived biodiesel production in South African. It highlights the positives and shortcomings of the technology used and identifies the potential for improvem ... More
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Date: 2012
Identifier: uj:6272
Description: One of the main aims of telecommunication subsidies in developing countries is to extend the information and communication services to the information “have nots” through subsidized communication serv ... More
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Date: 2012
Type: Article
Identifier: uj:5333
Description: friction stir welds between 5754 aluminium alloy and C11000 copper. The Friction stir welds of 5754 aluminium alloy and C11000 copper were produced at different tool rotational speeds and feed rates. ... More
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