Results 1 to 10 of about 22,225 (346)

Microstructure Control of Steels through Dispersoid Metallurgy Using Novel Grain Refining Alloys

ISIJ International, 2006
This paper describes how small inclusions (designated dispersoids) can be used to control the microstructure of steels. The term "dispersoids" refers to oxides, sulphides, nitrides and carbides which are in the 1 μm size range and capable of promoting grain refinement during solidification by a process of epitaxial nucleation or in the solid state ...
Leiv Kolbeinsen, Casper van der Eijk, Øystein Grong, Gabriella Tranell   +3 more
openaire   +4 more sources

Determination of RTD Curves for Aluminium Refining Process Conducted in Batch Reactor – Physical Modelling [PDF]

Archives of Metallurgy and Materials, 2018
It is really hard to determine the phenomena occurring during aluminum refining process using argon blowing through the liquid metal in industrial conditions. The solution of such problem is physical modelling. This kind of modelling gives possibility to
M. Saternus
doaj   +2 more sources

A Treatise on Electro-Metallurgy: Embracing the Application of Electrolysis to the Plating, Depositing, Smelting, and Refining of Various Metals, and to the Reproduction of Printing Surfaces and Art-work, etc [PDF]

Nature, 1911
THE work of revising the excellent treatise of the late Mr. W. G. McMillan has, on the whole, been admirably done by Mr. Cooper, although there still remain a few slight errors in the body of the work which might have been corrected. For example, it is manifestly an error to recommend for nickel deposition a solution of 8 pounds of nickel ammonium ...
Andrew McWilliam
openaire   +3 more sources

Hydrogen Plasma for Low-Carbon Extractive Metallurgy: Oxides Reduction, Metals Refining, and Wastes Processing

Journal of Sustainable Metallurgy
AbstractCarbon-rich sources, such as coal and carbon monoxide gas, have been extensively used in the metal industry as the reducing agent of metal oxides and as the energy source for metal production. Consequently, the extractive metal sector contributes to approximately 9.5% of global greenhouse gas emissions.
B. Satritama, C. Cooper, D. Fellicia, M. I. Pownceby, S. Palanisamy, A. Ang, R. Z. Mukhlis, J. Pye, A. Rahbari, G. A. Brooks, M. A. Rhamdhani   +10 more
openaire   +2 more sources

Enhanced Phosphorus Removal from Metallurgical Grade Silicon by the Combined Process of Si-Cu Solvent Refining and CaO-CaF₂-CaCl₂ Slag Treatment. [PDF]

Materials (Basel)
Wei X, Zhao Q, Li J, Li J.
europepmc   +2 more sources

Analysis of the financial stability of the Kazakhstan’s economy [PDF]

E3S Web of Conferences, 2020
The article provides an analysis of the financial stability of Kazakhstan’s economy. It was revealed that in our country, the presence of rich common resources and stable economic policy led to the formation of a favourable investment structure in the ...
Kurbanova Karlygash, Mukhametzhanova Zhanar, Saparbayev Abdizhapar, Supugalieva Gulnazym   +3 more
doaj   +1 more source

Thermal analysis and prediction of phase equilibria in ternary Pb-Zn-Ag system [PDF]

Journal of Mining and Metallurgy. Section B: Metallurgy, 2011
Ternary Pb-Zn-Ag system is typical for some physicochemical processes going on in refining phase in the extractive metallurgy of lead. Therefore, investigation of mentioned system is important from both theoretical and practical research of the ...
Živković D., Minić D., Manasijević D., Šestak J., Živković Ž.   +4 more
doaj   +1 more source

Analysis of Secondary Refining Slag Parameters with Focus on Inclusion Cleanliness [PDF]

Materials Research, 2018
Secondary refining slag samples with different chemical compositions (45-54 % CaO, 7-13 % Al2O3, 20-29 % SiO2, 9-16 % MgO, 0-5 % CaF2) were investigated to verify the influence of their effective viscosity on inclusion cleanliness of DIN 38MnS6 in a ...
Julio Aníbal Morales Pereira, Vinicius Cardoso da Rocha, Ayumi Yoshioka, Wagner Viana Bielefeldt, Antônio Cezar Faria Vilela   +4 more
doaj   +1 more source

Grain Refinement of Ti-15Mo-3Al-2.7Nb-0.2Si Alloy with the Rotation of TiB Whiskers by Powder Metallurgy and Canned Hot Extrusion [PDF]

Metals, 2020
In situ synthesized TiB whiskers (TiBw) reinforced Ti-15Mo-3Al-2.7Nb-0.2Si alloys were successfully manufactured by pre-sintering and canned hot extrusion via adding TiB2 powders. During pre-sintering, most TiB2 were reacted with Ti atoms to produce TiB. During extrusion, the continuous dynamic recrystallization (CDRX) of β grains was promoted with the
Wenzhen Chen, Jiabin Hou, Wenguang Tian, Lin Gao, Wencong Zhang, Guorong Cui   +5 more
openaire   +3 more sources

Highlighting the Role of Archaea in Urban Mine Waste Exploitation and Valorisation

Recycling, 2023
E-materials become e-waste once they have been discarded without the intent of reuse. Due to its rich content of metals, among which many are Critical Raw Materials (CRMs), e-waste can be considered an urban mine to exploit and valorise.
Annalisa Abdel Azim, Ruggero Bellini, Arianna Vizzarro, Ilaria Bassani, Candido Fabrizio Pirri, Barbara Menin   +5 more
doaj   +1 more source