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Sustainable nickel enabled by hydrogen-based reduction. [PDF]

open access: yesNature
Manzoor U   +3 more
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Constitutive Topics in Physical Chemistry of High-Temperature Nonferrous Metallurgy: A Review—Part 2. Reduction and Refining

JOM, 2019
In this Part 2 of the review, we demonstrate the roles of phase rule, free energy and activity in the reduction and refining of different nonferrous metals categorized as common, reactive, rare and refractory. Based on the discussions in the following sections, the reader will appreciate the contributions of phase rule, activity and free energy in the ...
M. Shamsuddin, H. Y. Sohn
openaire   +3 more sources

Technological Challenges in Extractive Metallurgy and Refining of Nb, Ta and Preparation of their Compounds & Alloys

Materials Today: Proceedings, 2016
Efforts have been put towards industrial adaptability of the useful knowledge gained from lab scale to reliable pilot scale for production of refractory metals like Ta & Nb. Electron beam refining is used for production of these refractory metals in their pure form.
N. Saibaba, K V Mirji, Sheela
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Ionic liquid metallurgy: novel electrolytes for metals extraction and refining technology

Mining, Metallurgy & Exploration, 2006
Ionic liquids (ILs) are molten salts that are liquid at or below room temperature. ILs have some unique properties compared to aqueous solution and regular organic liquids. These properties include very low vapor pressures and not emitting organic vapor to the environment; low melting points and wide temperature ranges for the liquid phase (up to 400°C)
Ramana G. Reddy   +2 more
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Selection of refining additions for powder metallurgy alloys of chromium

Soviet Powder Metallurgy and Metal Ceramics, 1990
A. B. Ol'shanskii   +3 more
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Microstructures and grain refinement performance of Al–Ti–B–C grain refiner via powder metallurgy [PDF]

open access: possibleRare Metals, 2015
The Al-5Ti-0.5B-0.5C grain refiner was prepared by powder metallurgy (PM). Microstructures of the grain refiner and its grain refinement performance in commercially pure aluminum (Al) were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), and differential scanning calorimetry (DSC).
Cong Xu   +4 more
openaire   +1 more source

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