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Optical Spectroscopy for Process Monitoring and Production Control in Ferrous and Non-Ferrous Industry (Invited)
By Willy Persson
A common feature of the kinds and amounts of impurities present most pyrometallurgical, processes is injection of oxygen to, remove various in the feed. The degree of success of a specific process ste
Jan 1, 2003
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A Study Of Thermodynamics And Kinetics Of Nitrogen Absorption And Its Removal From Liquid Ni-Cr Alloys Using The Sieverts Technique
By L. Petitnicolas
The experimental study of nitrogen absorption and its removal from a liquid Ni-20%Cr alloy at 1873 K has been undertaken, using an experimental, apparatus based on the Sieverts technique in order to d
Jan 1, 1996
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The Role of Nickel in Modern Technology
By J. P. Schde
The authors deal with nickel production and usage patterns, nickel's first-use and end-use, examples of nickel applications in modern technology, e.g., energy generation and conservation, environ
Jan 1, 1988
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Development and Application of Electrochemical Sensors for Molten Metals Processing
By S. Seetharaman, Du Siehen
"In the processing of molten metals, it is extremely important to monitor continuously the concentration levels of various minor elements. In the production of common metals like copper, iron and alum
Jan 1, 1996
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Applications of Doubly Polished Sections to the Study of Ore Deposits
By P. Heald-Wetlaufer
Doubly polished sections (i.e., sections polished on both sides) allow insights into complex paragenetic relationships, the interpretation of which is essential to understanding ore-forming processes.
Jan 1, 1982
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Izod Impact Energy of Polyester Matrix Composites Reinforced with Aligned Curaua Fibers
By Sergio N. Monteiro
Polymer matrix composites have been applied in components such as helmets and shielding for which toughness is a major requirement. Natural fiber presents interfacial characteristics with polymeric ma
Jan 1, 2009
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Effect of Test Temperature and Prior Straining on the Deformation Mode of Austenitic Stainless Steel during Tensile Testing
By S. Neogy, M. Gupta, D. Srivastava, V. Kain, S. Roychowdhury, R. C. Prasad, G. K. Dey
"Austenitic stainless steels are an important material of construction for Boiling Water Reactors (BWR). These stainless steels are amenable to strengthening by strain hardening. Various deformation m
Jan 1, 2011
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Micro Wave Reflection Loss of Ferric Oxide
By Xinli Wang, Matthew Andriese, Jiann-Yang Hwang, Zhiwei Peng, Byoung-Gon Kim
"The microwave reflection loss (RL) of ferric oxide is studied in the temperature range from 297 to approximately 1400 Kat frequencies of 915 and 2450 MHz. It is shown that the maximum microwave absor
Jan 1, 2013
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Mineralogical Characterization of Phosphorus in Fluorite Ores and Concentrates from Southern Africa (54224ce3-fc77-4939-9ee0-02a3f7c5bae1)
By Ari I. Kogut
Impurity minerals in fluorspar ores and concentrates from a deposit in Southern Africa have been studied by reflected light, transmitted light, and cathodoluminescence microscopy. The principal impuri
Jan 1, 1995
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Process Selection for the Olympias Refractory Gold Concentrate
By A. Kontopoulos
The Olympias Mine in Northern Greece is producing an extremely refractory gold-bearing arsenical pyrite concentrate, containing on the average 41 3 S, 40 3 Fe, 10-12 3 As, 25 ppm Au and 35 ppm Ag. Dur
Jan 1, 1989
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Modelling and Process Optimization for Functionally Graded Materials
By Ravi S. Bellur-Ramaswamy, Daniel A. Tortorelli, Robert Haber, Nahil A. Sobh
We optimize continuous quench process parameters to produce functionally graded aluminum alloy extrudates. To perform this task, an optimization problem is defined and solved using a standard nonlinea
Jan 1, 2001
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Electrokinetic Treatment of Contaminated Soils: Removal of Lead from Porous Kaolinite
By Thomas W. Chapman, Shi-Chern Yen, I-Min Lu
"An electric field was applied to a metal-bearing kaolinite specimen to investigate the efficiency of electro-osmosis in removing heavy metals from contaminated soils. The electric field induces a flo
Jan 1, 1996
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Substance Flow Analysis of Lead in China
By Guo Xueyi
The method of Substance Flow Analysis (abbreviated as SFA) provides a helpful tool for the study of the industrial metabolism of a certain metal within a regional level. In this work the flow of lead
Jan 1, 2009
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Sintering Of Pb{Zr,Ti,(Mg1/3Nb2/3)}O3 Ceramics By Spark Plasma Sintering And Their Compositional Distribution
By Kazuyuki Kakegawa
The sintering characteristics and the change in the compositional distribution in the PbTiO3-PbZrO3-Pb(Mg1/3Nb2/3)O3) system during the sintering process by spark plasma sintering (SPS) method were ex
Jan 1, 2003
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Liquidus Temperatures of Ferro-Nickel Smelting Slags
By Shengqi Chen
The reduction smelting of nickel laterites produces slag, consisting principally of the chemical components MgO, "FeO", SiO2, and A12O3, and ferro-nickel alloy. Despite the fact that the phase equilib
Jan 1, 2004
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Non-Traditional Use Of The Cupola Furnace
By Michael J. McGuire
Rostoker, Inc. has developed a process to smelt solid hazardous/non-hazardous inorganic wastes. Near seven hundred experiments were performed. Actual industrial wastes as well as reagent grade chemica
Jan 1, 1994
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Zirconium Purification in the Process of Metal Raw Materials Iodination
By Z. B. Moukhametshina
The process of various zirconium alloys iodination by the iodine vapor was investigated. The nature of impurities, conditions of iodination, iodine flow rate, and zirconium tetraiodide condensation ra
Jan 1, 1997
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Production Of Rare Earth Ferrosilicide Alloy
By Yavuz Ali Topkaya
Rare earth ferrosilicide is a versatile alloy mainly used to control the detrimental effects of sulfur in steel and to modify graphite structures in cast iron. The aim of this study was to determin
Jan 1, 2006
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Iron Segregation Roasting Processes
By P. Kerr
Iron segregation is pre-dated by copper and nickel segregation processes for which the experimental methodology and reaction chemistry were established. The accepted reaction sequence for segregation
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Scanning Electron Microscopic and Microprobe Analysis of Refractory Gold Ores ,and Process Implications of the Analysis
By H. D. Freeman
The occurrence of gold in refractory gold ores varies widely and affects the recovery process. The determination of gold and the composition of the associated minerals are important in selecting an ap
Jan 1, 1981