TUTDoR

Potgieter, J. H.

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Date: 2017/05/03
Language: en
Type: Text
Identifier: tut:5572
Description: Graphitized multi-walled carbon nanotubes (MWCNTGr) reinforced Ti6Al4V (Ti64) matrix composites prepared via the powder metallurgy route were synthesized by spark plasma sintering (SPS) technique. 1, ... More
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Date: 2015
Subject: Mine water | Corrosion
Language: en
Type: Text
Identifier: tut:3023
Description: WC-based cermet coatings have been considered as alternative replacements to the more traditional hard chrome plating for improved surface properties. Though these coatings are used in engineering app ... More
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Date: 2011/02/10
Language: en
Type: Text
Identifier: tut:5794
Description: The aim of the study is to investigate the influence of ruthenium (Ru) additions on the corrosion behaviour of WC–Co cemented carbides when exposed in a reducing acid medium. The study involved the ch ... More
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Date: 2010/01/20
Language: en
Type: Text
Identifier: tut:4845
Description: Galvanised iron is popular in many applications, particular as a roofing material. However, just like other materials, especially metallic ones, it is prone to degradation by corrosion. In this partic ... More
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Date: 2010/01/02
Language: en
Type: Text
Identifier: tut:4944
Description: The purpose of this paper is to supplement the scant previous investigations on the corrosion behaviour of 2205 and 2507 duplex stainless steels in selected organic acids containing chloride additions ... More
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Date: 2005/07/22
Language: en
Type: Text
Identifier: tut:5796
Description: The physical, chemical and biological nature of Vaal Dam water, the main source of water in Gauteng, South Africa, is often affected by underground water pollution (acid mine water) and industrial eff ... More
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Date: 2005/05/12
Language: en
Type: Text
Identifier: tut:5793
Description: Fly ash is the residue from the combustion of pulverised coal in thermal power stations. It consists of a variety of particle sizes of hollow silica-alumina spheres, which can be utilised as a custom ... More
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Date: 2005
Language: en
Type: Text
Identifier: tut:4199
Description: This paper describes the second part of an investigation into the removal of iron and manganese fromwater with a high dissolved organic carbon (DOC) loading. This investigation focused on the use of f ... More
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Date: 2004/11/01
Language: en
Type: Text
Identifier: tut:3425
Description: This paper describes an investigation to separate and selectively recover silver, gold and platinum from jewellery and laboratory wastes, and produce technical grade material suitable for training pur ... More
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Date: 2004/10/24
Language: en
Type: Text
Identifier: tut:2403
Description: Iron and manganese removal from water is considered a routine operation in most potable water treatment plants. However, when there is dissolved organic carbon (DOC) present in the water source, it ca ... More
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Date: 2004/09/16
Language: en
Type: Text
Identifier: tut:3307
Description: Research concerning the formation and removal of black crusts on various historical objects is approached from many different angles. The so-called “yellowing effect”, observed after laser treatment f ... More
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Date: 2004/06/22
Subject: Slip casting | Porosity
Language: en
Type: Text
Identifier: tut:3475
Description: Many industrial processes generate large amounts of waste. Typical examples include the fertiliser industry (phosphogypsum), ferro-alloy and steel producers (slag), as well as the power generating ind ... More
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Date: 2004/04/01
Language: en
Type: Text
Identifier: tut:4202
Description: This paper compares the plant performances of various synthetic gypsums used as set regulators in cement. The decision about the suitability of a specific gypsum was based on measurements and comparis ... More
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Date: 2004/04/01
Language: en
Type: Text
Identifier: tut:3317
Description: This paper describes the findings of an investigation into the preferred method of chloride analysis on South African cement, clinker and raw materials, with low levels of chloride. The investigation ... More
Date: 2004/01/22
Language: en
Type: Text
Identifier: tut:4986
Description: The simplified generalized standard additions method (GSAM) was investigated as an alternative method for the ICP-OES analysis of solid materials, introduced into the plasma in the form of slurries. T ... More
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