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Solid Oxide Membrane (SOM) Technology For Cost Effective And Environmentally Sound Production Of Metals And Alloys From Their Oxide Source
By A. Krishnan
Keywords: Tantalum extraction, SOM Technology, inert anode, membrane stability The Solid Oxide Oxygen Ion conducting Membrane (SOM) technology offers great potential for environment friendly and en
Jan 1, 2005
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Preparation of fibrillar nanocrystalline nickel powder by precursor thermal decomposition
By WU Jian-hui
Keywords: metallic material; nickel powder; thermal decomposition; precursor; fibrillar powder; nanometer scale; passivation treatment The precursor thermal decomposition process of fibrillar nano
Jan 1, 2005
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Onset of Void Coalescence Studied by X-Ray Computed Tomography
By Akihide Hosokawa
The void growth and coalescence in model materials involving a pre-existing three dimensional void array (i.e. multiple layers of a void array) was studied by X-ray computed tomography (XCT) coupled w
Jan 1, 2010
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Preparation Of Fibrous Ni-Co Alloy Precursor Articles By Modified Coprecipitation Method
By Zhang Chuanfu
Keywords: modified coprecipitation method, Ni-Co alloy powders, solid-solution oxalate, growth mechanism Homogeneous solid-solution oxalates of Ni2+ and Co2+ ions were synthesized by modified copre
Jan 1, 2005
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Reduction Kinetics Of Dusts And Pellets From Nickeliferous Laterite Rotary Kiln Treatment
By Emmanuel N. Zevgolis Ismene-Polyxeni Kostika
Keywords: reduction, kinetics, laterites, rotary kiln, dust In this work, the reduction kinetics of dust from nickeliferous Greek laterites is investigated. The dust is a by-product from laterite t
Jan 1, 2005
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Migration and Interaction Behavior of Electrical-Insulating Particles in a Conductive Melt Under Strong Magnetic Field With High Gradient
By Z. Sun
Magnetic fields have been used for inclusions removal from melt and preparation of materials with gradient compositions. Fundamental in these applications is that the induced magnetic forces on the pa
Jan 1, 2009
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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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Preliminary Water Modeling Study Of Fluid Mixing In An AOD Bath Under Conditions Of Side And Top Combined Blowing
By Ji-He Wei
Keywords: stainless steel, AOD refining, side and top combined blowing, mixing characteristics, water modeling The fluid mixing characteristics in the bath during the side and top combined blowing
Jan 1, 2005
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Characterization of Nanocrystalline CdS:In Thin Films Prepared by the Spray-Pyrolysis Technique
By Shadia J. Ikhmayies
Nanocrystalline CdS:In thin films with particle size in the range (3-36 nm) were produced by the spray pyrolysis technique on glass substrates. The films were characterized by investigating their X-ra
Jan 1, 2010
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CAD/CAM and Modeling Research Activities at Ohio University
By Jay S. Gunasekera
Since great emphasis is being placed on the manufacturing science and processing science programs in the Department of Defence and other government research agencies and industries; currently, extensi
Jan 1, 1990
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A Clean-Lead Factory Is Available For Lead-Acid Batteries Recycling By Means Of The ?Cleanlead Process?
By Carlos Frias
The lead-acid battery recycling is a major industrial activity (more than four million tonnes recycled lead per year) that generates large amounts of toxic wastes such as lead slag, mattes and acidic
Jan 1, 2006
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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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Unsteady State Heat Transfer Analysis Of Lower Parts Of Blast Furnace With Liquid Flow
By Tsunehisa Nishimura
Stable operation of the blast furnace needs adequate control of the lower part. To clarify the behavior of the lower part of the blast furnace with accurate consideration of the property of slag and i
Jan 1, 2006
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Numerical Simulations of Jet Break-up Phenomena for the High Pressure Die Casting Process
By Valerio Viti
In High Pressure Die Casting a molten metal is injected through a thin gate into the cast cavity. High injection pressures and high gate velocities create atomization phenomena which can negatively af
Jan 1, 2006
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Remediation of Chicken Processing Wastewater using Electrochemically Produced Layered Double Hydroxides
By Jewel A. G. Gomes
Green rust (GR) are layered Fe(II)-Fe(III) double hydroxides, having a pyroaurite-type structure consisting of positively charged hydroxide layers and hydrated ions in interlayers. This special featur
Jan 1, 2010
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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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Comparative Study Of The Effects Of Solidification Rate On The Cast Microstructures Of Aluminum Alloys 6016 And 6009
By P. N. Anyalebechi
The effects of solidification rate on the cast microstructures of aluminum alloys 6009 and 6016 have been investigated with directionally cooled laboratory-size ingots, at 0.2-10.1 K/s and 0.4- 23.1 K
Jan 1, 2006
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2D Imaging of Nano-Hardness and Phase Characterization in Steel by Noncontact Optical Photodeflection Microscopy
By Ulises Crossa Archiopoli
We describe a technique that allows rapid imaging of the thermal diffusivity of the sample by a modified photo-thermal technique. The thermal diffusivity in hardened steels strongly correlates to the
Jan 1, 2010
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Characterization of the Flexural Properties of Polyester Matrix Composites Reinforced with Continuous Jute Fibers
By Sergio N. Monteiro
Jute fiber reinforced polymer composites are among the most investigated and applied natural composites. In this past decade the mechanical properties of these composites has been assessed for various
Jan 1, 2010
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Preparation Of Al-Ti Master Alloys By Aluminothermic Reduction Of Tio₂ In Cryolite Melts At 960°C
By Junli Xu, Xianwei Hu, Kaiyu Xie, Liangxing Li, Zhongning Shi, Zhaowen Wang, Bingliang Gao, Aimin Liu
Al-Ti master alloys were prepared by aluminothermic reduction between the dissolved titanium dioxide and aluminum in cryolite melts at 960oC. The kinetic analysis by differential scanning calorimetry
Jan 1, 2015