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Numerical Simulation of Solute Diffusion -Controlled Dendritic Growth with Cellular Automaton Method
By Miaoyong Zhu, Sen Luo
"A two-dimensional CAFD model was developed for simulating the solute diffusion-controlled dentritic growth in the low Peclet number regime. Mass conservation and local equilibrium at the solid/liquid
Jan 1, 2013
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Direct Examination of Surface Flaws in Alumina Ceramics and Their Relevance to Strength and Machining
By Kazuyoshi Sato, Keizo Uematsu, Nozomu Uchida
"Confocal fluorescence scanning laser microscope was applied to characterize the surface flaw of ceramics in great detail. A high potential -of the characterization technique is presented first. Then
Jan 1, 2000
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Effect Of Magnetic Field On The Rate Of Slag Reduction In An Electric Furnace
By V. Montenegro
Smelting of copper concentrates in Teniente Converter produces highly oxidized slag, containing from 4 to 10 % Cu and from 15 to 25 % of Fe304. Copper recovery requires magnetite reduction at a level
Jan 1, 2003
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Effect Of Magnetic Field On The Rate Of Slag Reduction In An Electric Furnace
By V. Montenegro
Smelting of copper concentrates in Teniente Converter produces highly oxidized slag, containing from 4 to 10 % Cu and from 15 to 25 % of Fe304. Copper recovery requires magnetite reduction at a level
Jan 1, 2003
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Flotation Separation Of Uranium From Contaminated Soils
By M. Misra
The volume of low-level contaminated soil at the. Department of Energy's Nuclear Weapon Sites are in the order of several million tons. Most of the contaminants are uranium, plutonium, other heav
Jan 1, 1995
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Transformation Of Sodium Jarosite To Hematite In Hydrothermal Iron Precipitation Process
By Chang Wei, Zhigan Deng, Yizhao WANG, Cunxiong Li, Gang Fan, Xingbin Li
During the process of hematite precipitation, the transformation of Na jarosite convert into hematite has been studied in a batch reactor at different temperatures, ranging from 170°C to 200°C with 3h
Jan 1, 2016
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Electrochemically Deposited LiCoO2 Film on Platinum Metal Substrate under Hydrothermal Condition
By K. S. Han, M. Yoshimuura, H. Fujita, Y. Sato, S. W. Song
"Film of LlCoO2 as cathode material for rechargeable lithium microbatteries has been fabricated on the platinum metal substrate by electrochemical-hydrothermal method in concentrated LiOH solution at
Jan 1, 2000
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Determination Of The Degree Of Oxidation Of Molten Copper Using An Electrochemical Cell
By J. Alberto Vázquez M.
A sensor employing yttria-stabilized zirconia (YSZ) was used to determine the oxygen activity of molten copper at laboratory scale at temperatures of 1200° and 1300 dc. The reference electrode was a N
Jan 1, 2003
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Microstructure Study of Rapidly Solidified TiAl-Cr-xNB-Y Alloys
Rapidly solidified TiAl-Cr-xNb-Y(x=2,4,6, at.%) alloys have been produced using a single roller melt spinning method. The microstructure of alloy ribbon was refined and component became more homogeneo
Jan 1, 2009
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Ozone Control of Casthouse Cooling Water in a Primary Aluminium Smelter
By David Rees
Tomago Aluminium, a 400,OO tonnes per annum primary aluminium smelter in Australia, has installed Ozone for biological control of its process water. The system was designed in Australia by Ionics Wate
Jan 1, 1999
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Analysis Of Steelmaking Reactions By Coupled Reaction Model
By Shin-ya Kitamura
Kinetic modeling is very important to understand steelmaking reactions. The coupled reaction model proposed by Prof. D.G.C Robertson is the best suited program, and therefore, the author has applied i
Jan 1, 2014
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Yield Strength Prediction for Rapid Age-Hardening Heat Treatment of Aluminum Alloys
By Timothy W. Skszek, Adrian S. Sabau, Hebi Yin, Gerard M. Ludtka, Xiaoping Niu
"A constitutive model has been developed to predict the yield strength aging curves for aluminum casting alloys during non-isothermal age-hardening processes. The model provides the specific relations
Jan 1, 2013
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Development Of A Thermodynamic Database For Mold Flux Applications To The Continuous Casting Process For Steelmaking
By Marie-Aline Van Ende, In-ho Jung
A thermodynamic database for the oxyfluoride system CaO-MgO-Al2O3-SiO2-Na2O-K2O-Li2OMnO- FeO-F has been developed based on the critical evaluation and optimization of all available experimental thermo
Jan 1, 2014
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Simulation of Microstructural Morphology Evolution of Ni-45wt. %Mo Droplets during Rapid Solidification Process
By Jie Ma, Shun-Li Zhao, Jian Zhao, Jie-Yu Zhang
"Microstructural morphology evolution of Ni-45wt.%Mo droplets during rapid solidification process was investigated using an advanced modified 3D cellular automaton-finite element(CAFE) model by CALCOS
Jan 1, 2013
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An Evaluation of the Multicomponent-Multisize Grinding Liberation Model Using Volumetric Grade Distribution
By C. L. Lin
Transformation of linear grade distribution to volumetric grade distribution has been used to estimate the actual mineral liberation during wet, batch, ball mill grinding of a copper ore. The degree o
Jan 1, 1987
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Cold Modelling Of Splashing Phenomena In Oxygen Steelmaking
By Shabnam Sabah, Geoffrey Brooks
In oxygen steelmaking, splashing and droplet formation play a key role in the kinetics of the process. Though splashing has been studied by previous investigators, there is only limited understanding
Jan 1, 2014
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Influence of Chemical Composition on Bake Hardening Effect for Hot Rolled Multiphase Steels
By H. Palkowski
Recent trends in the automotive industry lead to increasing interest in advanced high strength steels (AHSS). Those steels often have a high bake hardening potential (BH), giving additional contributi
Jan 1, 2008
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Object Based Quantitative Analysis of Complex Multiphase Microstructures in Steel
By Martin Fischer
A new method for the quantitative image analysis of complex microstructures in steel is presented. Microstructures in modern steel grades on the one hand become more and more complex while on the othe
Jan 1, 2009
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Numerical Simulation of Droplet Generation of the Buoyant Phase in Two-Phase Liquid Baths
By K. Krishnapisharody
A mathematical model has been developed to predict the interface dynamics and droplet generation of the buoyant phase in a two-fluid system. The model employs the well-known SIMPLE algorithm for obtai
Jan 1, 2008
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An Integrated Model for Microwave Thermal Processing
By J. Tang, B. Q. Li, R. Akarapu
"An integrated model is developed to represent the three-dimensional electromagnetic wave propagation and thermal phenomena during microwave heating of ceramics and dielectric/biological materials. Th
Jan 1, 2004