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Effect of Ordering on Cold Workability of Fe-6.5wt.%Si Alloy
By Y. F. Liang
Fe-6.5wt.%Si alloy has excellent soft magnetic properties compared with conventional silicon steel. It is very brittle at room temperature due to appearance of ordered phases, like B2 and DO3. In this
Jan 1, 2009
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Carbon-thermal Reduction Process for making Al-Si Alloys from Al2O3-SiO2 Containing Industrial Wastes
By Jilai Xue
Industrial wastes containing 30-50 wt.% Al2O3 and 40-60 wt.% SiO2 may serve as an alternative resource for producing Al-Si alloys. Various raw materials such as used refractory materials from metallur
Jan 1, 2010
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An Overview of Silver and Trace Metal Recovery Strategies in the Zinc Industry
By D. D. Rodier
Most zinc concentrates contain some silver and varying amounts of such valuable trace elements as gold, indium, germanium and gallium. With increasing similarities in plant installations, the predomin
Jan 1, 1990
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Heavy Mineral Provenance Studies in the Iditarod and Innoko Districts, Western Alaska
By T. K. Bundtzen
Placer gold in the Iditarod and Innoko mining camps of western Alaska is derived from a suite of comagmatic, Late Cretaceous to Early Tertiary, alkali-calcic, meta-aluminous. volcanic-plutonic complex
Jan 1, 1987
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Advances In Understanding Of Phenomena In The Blast Furnace Hearth
By Pinakin C. Chaubal
An industry ? university consortium was set up to develop advanced tools necessary to understanding of the various phenomena occurring in the hearth of the modern iron making blast furnace. The major
Jan 1, 2006
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Mathematical Modeling And Design Of Heat Pipe-Cooled Metallurgical Furnace Equipment
By Pietro Navarra
Cooling of critical furnace equipment to produce freeze lining is of particular interest as many metallurgical processes are intensified while attempting to prolong campaign life. This idea was combin
Jan 1, 2006
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Technological Characterization of Serpentinite Rock from Andorinha (Bahia/Brazil)
By Aline Maria dos Santos Teixeira
Serpentinite is an ultra basic and metamorphic rock consisting mainly of magnesium, calcium and silicon oxides. The rock under study is a host rock of chromite mine located in Andorinha, BA. The objec
Jan 1, 2010
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Preparation Of Monodispersed NiO Precursor Particles By Induced Precipitation Of Solid Oxalate Acid
By Huang Kai
By adding the solid oxalate acid powder into the solution of nickel chloride or its ammonia coordinated solution, the uniform compound particles were prepared and the precipitated particles were trans
Jan 1, 2005
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Effects of Solidification Rate and Alloy Composition on the Cast Microstructure of Aluminum Alloy 5182
By P. N. Anyalebechi
The effects of solidification rate (0.4-26.1 K/s) and alloying elements on the cast microstructures of aluminum alloy 5182 have been investigated with directionally cooled laboratory-size ingots. The
Jan 1, 2010
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A Comparative Electrochemical Study of Arsenic Removal from Organic and Inorganic Sources using Various Sacrificial Electrodes
By Jewel Andrew Gomes
Arsenic is considered as one of the toxic materials being controlled by Environmental Protection Agencies in several developed and developing countries. It is found in the nature as constituents of th
Jan 1, 2010
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Multidisciplinary Coupled Simulations of Investment Casting Processes Using CASTS?FLUENT
By J. Jakumelt
The coupled simulation of mold filling and solidification for an investment casting process presents difficult. This is due to the complexity of the carious physical process and the geometry, To achie
Jan 1, 2003
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Adsorption of Copper Ions in Aqueous Solution by a Submersed Aquatic Macrophyte Potamogeton Pectinatus L
By Licheng Zhou
The use of aquatic plants for the removal of heavy metals from wastewater has gained high interest. In this study, batch experiments were conducted to evaluate the adsorption of copper ions in aqueous
Jan 1, 2009
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Nanosecond Electrical Discharges between Semiconducting Sulfide Mineral Particles in Water
By Igor Zh. Bunin
A model for developing electric discharges between sulfide mineral (pyrite) particles under high-voltage nanosecond pulses in a liquid medium (water) is considered. A possibility of electrical breakdo
Jan 1, 2010
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Thermodynamics And Kinetics Of Cyclones Melting Of Metal Sulphides
By I. Barin
The thermodynamics of cyclone smelting of sulphidic copper ores is described using as example the production of copper matte with 75 wt % Cu. Equilibrium calcualtions and material and energy balances
Jan 1, 1983
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Solidification and Macrosegregation in Aluminum Alloys on Uneven Surfaces
By Nicholas Zabaras, Deep Samanta
"Solidification of metal aluminum and aluminum alloys is modeled on uneven surfaces characterized by sinusoidal curves. Wavelengths and amplitudes of these sinusoidal surfaces are varied to study thei
Jan 1, 2004
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Reduction Kinetics of Low Grade Hematite Ore
By Yongzhong Xiao, Tiejun Chun, Jian Pan, Zhen He, Deqing Zhu
"In this paper, the reduction kinetics of low grade hematite ore was calculated. Mineralogy shows that the ROM (run of mine) ore is of low grade hematite ore type, assaying 27.2 wt% Fetotal and with m
Jan 1, 2012
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Synthesis and Characterization of Pure and Doped Nanocrystalline Zinc Oxide
By Rashmi Ramesh
Zinc oxide nanoparticles and nanostructures form an active area of research in the recent years. It can be doped to modify electronic, optical and other properties. Synthesis and characterization of z
Jan 1, 2010
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Semi-Solid Processing of Hyper-Eutectic Cast Iron
By Masaru Imaizumi, Hiroyuki Nomura, Mitsuharu Takita
"Cast iron possesses many superior characteristics caused from precipitated graphite structure, for example, castability, wear resistance, solid lubrication, damping capacity. But the more graphite hy
Jan 1, 2000
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Tensile Properties of Epoxy Composites Reinforced with Continuous Curaua Fibers
By Felipe Perissé Duarte Lopes
The tensile properties of DGEBA/TETA epoxy matrix composites reinforced with different amounts of curaua fibers were evaluated. Tensile specimens with up to 35% in volume of long, continuous and align
Jan 1, 2010
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Immobilization of Pollutants in Waste Disposals by Forming Mineral Reservoirs
By Herbert Pöllmann
Waste disposals are needed for safe deposition of different kinds of materials which can not be used as secondary raw materials. Often high contents of heavy metals must be bonded tightly to cristalli
Jan 1, 1991