Browsing Research Articles (Materials Science and Metallurgical Engineering) by Type "Article"
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Browsing Research Articles (Materials Science and Metallurgical Engineering) by Type "Article"
Now showing items 1-20 of 105
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(Southern African Institute of Mining and Metallurgy, 2019-10)The mining industry of the 21st century needs a new kind of leader as certain leadership styles and most leadership models currently employed in the world, and also in South Africa, are not sustainable. This article ...
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(Southern African Institute of Mining and Metallurgy, 2017-07)Extraction of nickel from either laterite or sulphide ores involves various complex hydrometallurgical processes, the final step of which is often electrowinning to produce pure nickel metal. Methods to investigate, monitor, ...
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(Maney, 2009-12)Hulamin Rolled Products (Ltd) developed a high Mn and Si containing alloy, EN 4017 as a scrap consuming alloy from the waste generated in producing their range of clad products for brazing of inter alia automotive heat ...
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(Southern African Institute of Mining and Metallurgy, 2013-04)Ti-64, which accounts for more than 50% of the worldwide titanium tonnage, has found commercial importance in industries requiring components with high specific strength and resistance to corrosion. Investment casting ...
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(MDPI, 2022-05)Nickel alloying of carbon steel is used to enhance steel strength and toughness. Nickel alloying of the weld metal via solid weld wire presents several difficulties as highlighted previously, such as work hardening of ...
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(MDPI, 2022-02-24)Al assisted alloying of carbon steel in Submerged Arc Welding (SAW) by Al-Cr-Ti-Cu unconstrained metal powders is applied. A base case without metal powder additions is compared to two metal powder addition schedules, ...
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(MDPI, 2022-11-02)Unconstrained metal powders of chromium and nickel, in combination with aluminium, were used in the submerged arc welding (SAW) process to simplify weld metal alloying. Unconstrained metal powders refer to non-alloyed ...
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(Iron and Steel Institute of Japan, 2018-02-15)Please read abstract in the article.
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(IOP Publishing, 2019-09-09)In South Africa, forged wheels for rail cars are imported but cast wheels are manufactured locally, although recent developments indicate that forged wheels will in future be manufactured locally. The forged wheels are ...
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(MDPI Publishing, 2018-06-22)Global industrial adoption of laser-based powder bed fusion (LPBF) technology is still limited by the production speed, the size of the build envelope, and therefore the maximum part size that can be produced. The cost of ...
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(Southern African Institute of Mining and Metallurgy, 2020-06)Denel Dynamics, a South African armaments development and manufacturing company, is interested in introducing additive manufacturing (AM) in the fabrication of missile components. The practicality of using AM for industrial ...
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(MDPI, 2022-02-01)In submerged arc welding (SAW) of chromium containing steels, the chromium in the weld metal is usually sourced from weld wire. Manufacturing of precise weld wire compositions for alloying of the weld metal is expensive. ...
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(Southern African Institute of Mining and Metallurgy, 2015-03)In April 2013 a 48 MVA submerged arc furnace producing silicomanganese was excavated in South Africa. Since the high shell temperatures recorded in the tap-hole area resulted in the furnace being switched out for ...
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(Elsevier, 2023-12)The use of alternative low polycyclic aromatic hydrocarbon (PAH) binders in taphole clays is essential due to health and environmental concerns associated with PAHs. Binders that could potentially substitute for ...
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(Elsevier, 2023-12)Three different types of spent magnesia-carbon (MgO–C) bricks were chosen to evaluate the liberation of magnesia particles through high-voltage pulsed power technology (HVPPT) and conventional comminution (jaw and cone ...
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(Maney, 2010)The heat treatment response of semisolid metal high pressure die cast Al–7Si–Mg alloys A356 and F357 was studied and compared. It was found that the heat treatment behaviour of alloy F357 is influenced markedly by the ...
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(Maney, 2009)Several electric furnaces, which are used to melt down partially prereduced vanadiferous magnetite at Highveld Steel and Vanadium, have recently been converted from submerged arc furnaces (SAFs) to open slag bath furnaces ...
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Control of the grain size distribution of the raw material mixture in the production of iron sinter (Southern African Institute of Mining and Metallurgy, 2008-05)The aim of this study was to examine the effect of grain size distribution control of the raw material mixture on the permeability of the green sinter bed and the properties of the produced sinter. This was achieved by ...
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(Southern African Institute of Mining and Metallurgy, 2009-07)An experimental rig has been constructed to produce chloride stress corrosion cracks in Type 304L stainless steel tube samples. The samples are to be used to test possible in situ repair methods in future work. The factor ...
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(Universidad Nacional de Colombia, 2021-04)Copper slag flotation was studied on an industrial scale at a concentrator plant in the region of Atacama, Chile. This study consisted of the physical, chemical, and mineralogical characterization of the copper slag, along ...
Now showing items 1-20 of 105