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Processing of Nickel-based High Temperature Materials
By S. G. Kumar
The performance of nickel based high temperature materials is directly related to their microstructure, which is controlled by the various processing steps. Nickel base alloys are melted and refined b
Jan 1, 1993
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Ultrasonic Inclusion Detection and Cleanliness Measurement in Molten Aluminum and Magnesium
By Y. Ono
In lightweight metal processing such as aluminum (AI) and magnesium (Mg), metal cleanliness is a crucial process parameter for refining, part manufacturing and recycling in order to obtain high qualit
Jan 1, 2003
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An Inverse Finite Element Evaluation of Roll Cooling in Hot Rolling of Steels
By Miroslav Raudensky, Kallol Bera, Jaroslav Horsky, Jee G. Chang, Ampere A. Tseng
"A combined experimental and finite element approach to study the local heat transfer coefficient is presented in this paper. The heat transfer coefficients at different cooling regimes in a roll are
Jan 1, 1994
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A Practical Model of the Imperial Smelting Zinc-Lead Blast Furnace
By Herbert H. Kellogg
A model of the ISF is described. which reproduces with accuracy the "normal" operation of three industrial furnaces. The model, written in Fortran, is based on detailed heat and material balances, and
Jan 1, 1990
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Synthesis of Ultrafine Intermetallic Particles by the Vapor-Phase Coreduction of Metal Chlorides with Hydrogen
By H. Y. Sohn, S. PalDey
"Fine particles of nickel aluminides and Ni4Mo were synthesized by reducing mixtures of, respectively, A1Cl3 + NiC12 and NiC12 + MoC12 vapors with hydrogen. Though thermodynamically favorable, the cor
Jan 1, 1998
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The Recovery of Manganese from the Boleo Project Using Leaching, Precipitation and Electrolytic Manganese Metal Production
By Thomas Gliick, Jianming Lu, David Dreisinger
"The recovery of manganese from the Boleo project of Baja Mining is via an acid oxidation and acid reduction process in seawater. Manganese as manganese dioxide is leached into solution as manganese s
Jan 1, 2012
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A State-of-the-Art Review of Solidification Modeling of Casting Processes
By G. Upadhya
Of late, solidification modeling has progressed considerably to emerge as a viable simulation tool for the foundry engineer. A wide variety of tools exist in the commercial market to cater to the vari
Jan 1, 1994
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Horizontal Mould Filling of a Tidn Wall Aluminium Casting
By L. Katgerman, R. Van Toi, H. E. A. Van den Akker
"Mould filling simulations are powerful tools for optimizing the characteristics of castings. The robustness of calculational methods for mould filling simulations is generally tested in simple geomet
Jan 1, 1999
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The Development of Matte Chlorine Leach Electrowinning in Sumitomo Nickel Refinery
By Yukio Ishikawa
Sumitomo Metal Mining Co,. Ltd. (SMM) has been producing 22,000 t/y of electrolytic nickel at Niihama by nickel matte electrorefining process since 1970. Although the matte electrorefining is an estab
Jan 1, 1992
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The Criteria Of Hydrogen And Oxygen Potentials In Copper Melt For Making A Sound Casting Of Bar And Rod The Guide Of The Effective Use Of An Electrochemical Gas Monitoring System (7936bf6e-94eb-4023-956a-f4f94bc9e248)
By Norihiko Fukatsu
In order to use effectively the previously reported new sensing system for hydrogen and oxygen potentials in molten copper, the criteria of the potentials for getting sound castings have been determin
Jan 1, 2003
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Computer Control in the Brenda Mines Ltd. Concentrator
By B. C. F1intoff, R. G. Bradburn, E. Groiss
"The concentrator at Brenda Mines Ltd. treats a copper - molybdenum porphyry ore with current head grades of 0.185% Cu and 0.036% Mo. The consistently low head grades provided the driving force to exp
Jan 1, 1989
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Aqueous Precipitation: Population Balance Modeling and Control in Multi-Cation Systems
By James A. Voigt
"The efficient separation of metal species from aqueous streams by precipitation techniques requires a fundamental understanding of the various processes that occur during precipitation. These process
Jan 1, 1996
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Application of Microscopic Techniques in the Evaluation of Coal-Coke and Related Products
By A. H. Rhoades
The modern polarizing microscope with such accessories as cameras, infrared devices, reflectance and/or transmission photometers, indention hardness, and heating stage is used to characterize coal, co
Jan 1, 1981
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Electrochemistry of T. Ferrooxidans Interactions With Pyrite
By Batric Pesic
The interactions of mineral-pyrite with T. ferrooxidans were studied by using a cyclic voltametry technique. The interactions with bacteria were carefully examined during the entire growth stage of ba
Jan 1, 1990
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A New Technology for the Processing of Precious Metal Containing Secondary Raw Materials
By M. A. Verhaege, Stanislav S. Naboychenko, Vladimir I. Skorohodov, Olga Yu. Goriaeva
A new technology for the processing of secondary raw materials containing precious and Platinum Group Metals (PGMs) has been designed at the Laboratory of Heavy Metals at USTU. The technology is based
Jan 1, 2000
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Gresik Copper Smelter And Refinery - Current Operation And Expansion Plan
By Moto Goto
PT Smelting, located in Gresik, East Java, is the first copper smelter and refinery in Indonesia. Since the first charging concentrate in December 1998, many equipment troubles have been systematicall
Jan 1, 2002
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Role Of Viscosity In Conversion Of Lead Slag Wastes Into Commercial Products
By Ramana G. Reddy
In the past, many lead-containing slags and wastes were stored in piles or landfills. However, shortages of landfill space as well as increased public, concern about the toxic nature of disposing lead
Jan 1, 1995
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Gas-Phase Hydrogenation Properties And Electrode Performance Of La(Ni, Al, Co, V)5 Alloys
By L. -C. Lai
A series of LaNi5-based alloys, with partial substitution of Ni by Al, Co, or V, were prepared The gas-phase hydrogen absorption kinetics and pressure-composition-temperature curves were measured The
Jan 1, 1997
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Fugitive Emission Factors For A Primary Copper Converter
By John O. Burckle
For years, the measurement of fugitive emissions from the primary copper converter has defied all attempts based on inferential measurements, It has been concluded by virtually all investigators that
Jan 1, 1983
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The Steps Required to Meet Production Targets at PT TNCO, Indonesia: A New Innovative Business Strategy
By Chris Doyle
From 1997-2000. PT INCO undertook the Fourth Line Expansion Project (FLEX) to increase annual production rates from 90-100 to 150 Mlbs Ni/year (68,000 MT Ni/yr). In 2003, PT INCO nickel production und
Jan 1, 2004