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Research Articles (Materials Science and Metallurgical Engineering)
Recent Submissions
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The effect of processing parameters on ferromanganese alloy carbon content in Mamatwan ore reduction (Taylor and Francis, 2017-01)Industrial production of medium carbon ferromanganese is accomplished by decarburization of high carbon ferromanganese in an oxygen blown converter. In this study, the possible in situ refinement of high carbon ferromanganese ...
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(Springer, 2017-11)This work extends the application of the well-established Estrin and Mecking (EM) work-hardening model in unstable low temperature austenite region. The interaction between work hardening, recovery and softening attributed ...
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(Mineralogical Society of America, 2017-10)The sustainability of a mineral resource depends, among other aspects, on what the mineral in question will be used for, price fluctuations, future resource requirements, and downstream manufacturing. A balance must be ...
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(Iron and Steel Institute of Japan, 2017)The roughing conditions required to avoid local heterogeneous regions in the final microstructure of high temperature processing (HTP) Nb linepipe steels have been investigated for quasi-compact strip production (CSP) ...
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(Springer, 2017-11)Please read abstract in the article.
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Influence of a carboxymethyl cellulose (CMC) binder on the mechanical properties of iron ore pellets (Southern African Institute of Mining and Metallurgy, 2017-04)Carboxymethyl cellulose is an organic binder used in the iron ore pelletizing industry. The basic principles of how carboxymethyl cellulose (CMC) solutions behave during the pelletizing process and how these principles ...
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(American Nuclear Society, 2013-04)The crushing strength (load at fracture) of coated particles was measured by compression between soft metal anvils. The method requires no sample preparation and can be used as a quality control method as well as a valuable ...
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(Springer, 2017-06)Plain carbon steels that are in service at elevated temperatures (typically 400-450 °C) for prolonged periods of time (typically in excess of 20 years) may experience graphitization, often in the heat affected zone (HAZ). ...
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(Springer, 2016-02)Crystals of a silico-ferrite of calcium and aluminium (SFCA) and an Al-free SFC were prepared from the melt by slow cooling of synthetically prepared mixtures and examined by single-crystal diffraction methods. Both ...
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(Elsevier Science Limited, 2016-12)A major obstacle to the hydrometallurgical treatment of ferromanganese slags is the way in which silica polymerisation is controlled during sulphuric acid digestion and water leaching. In an acidic medium, silica enters ...
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(Southern African Institute of Mining and Metallurgy, 2016-10)Metal injection moulding (MIM) is a near-net-shaping powder metallurgy technique suitable for the cost-effective mass production of small and complex components. In this paper, the effects of the metal powder particle size ...
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(Elsevier, 2010-07)The effect of Laves phase (Fe2Nb) formation on the Charpy impact toughness of the ferritic stainless steel type AISI 441 was investigated. The steel exhibited good room temperature toughness after solution treatment ...
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(Elsevier, 2011-01)Electrolytic extraction followed by XRD analysis of precipitates after isothermal annealing of an AISI 441 ferritic stainless steel between 600 and 850 ◦C produced the time–temperature–precipitation (TTP) diagram for the ...
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(American Chemical Society, 2016-09)The sintering of model TiO2-supported cobalt catalysts has been studied. The TiO2 supports used were anatase, P25 (85% anatase-15% rutile) and rutile. The catalysts were characterized at each stage of treatment. ...
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(Elsevier, 2016-09)The crystal structures of unknown phases found in slags from the production of low-carbon ferrochromium were studied by powder and single-crystal X-ray diffraction. Two phases of Na2−δ (Al, Mg, Cr)17O25 composition were ...
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(Springer, 2016-06)Furnace tap-holes vary in design depending on the type of furnace and process involved, but share one common trait: the tap-hole must be opened and closed periodically. In general tap-holes are plugged with refractory clay ...
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(Southern African Institute of Mining and Metallurgy, 2016-04)A petrochemical company experiences premature thermal fatigue failure of the casting moulds used in catalyst production. The aim of the project was to find an alternative alloy that would outperform the current low-alloy cast ...
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(Elsevier, 2016-05)The oxygen potential prevailing during iron ore sintering wasmeasuredwith a zirconia sensor in a series of sinter pot experiments. Thiswas done to get a better indication of the redox conditions during commercial sintering. ...
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(Southern African Institute of Mining and Metallurgy, 2015-10)The need to reduce weight while maintaining good mechanical properties in materials used in the automotive industry has over the years seen an increased exploitation of various steels to meet this new demand. In line with ...
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(Southern African Institute of Mining and Metallurgy, 2015-10)South Africa recently announced a resurgence in its commercial nuclear power programme. The implications for the development of the necessary high-level manpower within South Africa’s tertiary educational system and its ...