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Materials Science and Metallurgical Engineering: Recent submissions
Now showing items 1-20 of 384
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(Taylor and Francis, 2023)Wear and rolling contact fatigue (RCF) are major causes of delays and unavailability of rail systems. The presence of lubricants at the rail and wheel interface influences wear and RCF. Lubricants include naturally occurring ...
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(Taylor and Francis, 2023-06-15)This paper presents the numerical and experimental results of the mechanical and microstructural properties of liquefied petroleum gas cylinders from local sources. The tensile strength, burst and fracture toughness of the ...
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(University of Pretoria, 2020-04)Slurry wear is a common problem in the minerals processing industry. Hydrocyclones are widely used in wet mineral classification applications and can be notoriously prone to wear. This study investigated wear in hydrocyclones, ...
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(University of Pretoria, 2020-08)Ferrovanadium can be produced in a DC arc furnace by reducing V2O3 by means of an aluminothermic reaction. Vanadium recovery is decreased by the formation of vanadium oxides within the slag, along with ferrovanadium droplet ...
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(Elsevier, 2023-10)Please read abstract in the article.
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(Elsevier, 2023-11)The oxidation of chromite pellets prior to smelting in a submerged arc furnace is key to ensuring that maximum benefit can be derived in the subsequent smelting step. Oxidized pellet feed material reduces operating costs ...
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(Elsevier, 2024-03)Nano-strands form in fluoride-based slag during submerged arc welding (SAW) due to the re-condensation of gas species formed at high temperatures in the arc cavity. The SAW process is complex due to gas-slag-metal reactions ...
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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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(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, 2023-02)Please read abstract in the article.
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(Elsevier, 2023-12)Applications and reports of unique properties displayed by layered double hydroxides (LDHs) are steadily increasing. Fundamental insight into LDH synthesis is essential to developing sustainable production processes, and ...
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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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(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, 2022-02-01)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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(MDPI, 2022-11-19)Aluminium metal is avoided as main reactant in submerged arc welding (SAW) because it is easily oxidised in this process. Aluminium is an effective de-oxidiser and can be used to prevent Cr and Co loss to the slag by ...
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(Elsevier, 2023-09)Please read abstract in the article.
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(Elsevier, 2023-09)The amalgamated effect of hot-rolling, rapid cooling and heat treatment on the grain refinement and the resultant mechanical properties of an intermetallic sheet of nominal composition Ti-48Al-2Nb-0.7Cr-0.3Si was investigated. ...
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(Springer, 2023-01)The opening of a furnace tap-hole with an oxygen lance is a complex phenomenon that is not well understood in a quantitative way. By means of a case study, the effect of lancing on flow in and around the tap-hole area at ...
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(MDPI, 2022-10-31)Chromium alloying of weld metal is usually accomplished via weld wire. This is done because chromium has a high affinity for oxygen and is therefore not easily transferred across the arc. The formation chromium (VI) is one ...
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(MDPI, 2022-05-11)Flux formulations are specified to target chemical and physico-chemical parameters. Chemical parameters set flux element transfer behaviours and weld metal oxygen contents. Physicochemical parameters such as slag viscosity, ...
Now showing items 1-20 of 384