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Ultrasonic Characterization of Copper using Wavelet Analysis
By S. Prasad
The effectiveness of ultrasonic velocity measurements and attenuation of the propagating pulse was evaluated as a means of Non-Destructive characterization of cold worked and annealed copper. Commerci
Jan 1, 2010
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The Properties and Uses of Granulated Non Ferrous Slags
By Michael P. Sudbury
Non-ferrous slags are granulated and stockpiled as an alternative to pit cooling or transporting molten slag to a dump. The chemical composition of such slag is determined by the pyrometallurgical pro
Jan 1, 2006
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Agent Based Modeling of Large-Scale Socio-Technical Metal Networks
By I. Nikolic
Twin-roll casting is an integrated casting and rolling process that involves the continuous solidification of a melt and the plastic deformation of the solidified metal between two rotating rolls. Com
Jan 1, 2010
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Mechanical And Structural Characterization Of Curaua Fibers
By Sergio N. Monteiro
Natural lignocellulosic fibers are successfully replacing synthetic fibers in many engineering applications. In addition to well-known conventional lignocellulosic fibers, others with promising proper
Jan 1, 2006
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Modelling, Control And Optimisation Of Chemistry And Viscosity Of Copper Converter Slag
By Pengfu Tan
The control of converter slag chemistry and slag viscosity has played an important role in optimizing converter operations. A thermodynamic model of copper P-S converter and a viscosity model of conve
Jan 1, 2006
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An Investigation On The High-Mg-Content Slag In linchuan Nickel Flash Smelting Furnace
By Wang Zhi
High-Mg-content concentrates are usually treated in Jinchuan flash smelting Furnace. Because the viscosities of high-Mg-content slag is very high, the operation of flash smelting becomes very difficul
Jan 1, 2003
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Improving Metallurgical Operations Through Application Of Systems Thinking Principles
By K. Narayana Swamy
The traditional approach to improving the operating efficiency of a metallurgical plant has been to study individual unit operations and focus on improving the poor-performing unit operations. The co
Jan 1, 2006
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Operational Improvements For RH-KTB Degasser Of Companhia Siderurgica De Tubarao (CST) Steel Plant Through A Physical Modeling Study (Invited) (24d39e1f-c171-4640-928f-ad9402b36024)
By Varadarajan Seshadri
A physical model based on similarity principles was constructed for simulating the RH degasser of CST (Companhia Siderurgica Tubarao, Vitoria, ES, Brazil) to evaluate the circulation rate of the metal
Jan 1, 2003
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Metal Separations Using Aqueous Biphasic Partitioning Systems
By D. J. Chaiko
Aqueous biphasic extraction (ABE) processes offer the potential for low-cost, highly selective separations. This countercurrent extraction technique involves selective partitioning of either dissolved
Jan 1, 1996
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Numerical Model Of The Temperature Field And Heterogeneity Of A Casting Of Ductile Cast-Iron
By F. Kavicka
An original application of ANSYS simulated the forming of the temperature field of a massive casting from ductile cast-iron during the application various methods of its cooling using chills. The nume
Jan 1, 2006
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Bubble Attachment Time Measurements For Select Rare-Earth Phosphate Minerals In Oleate Solutions
By W. M. Cross
Bubble attachment time measurements for the rare-earth phosphate minerals monazite and xenotime were made as a function of oleate concentration, sodium fluoride addition, and temperature. Results indi
Jan 1, 1989
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Application Of Sodium Carbonate Slag To Copper Refining
By Chikabumi Yamauchi
The comprehensive scientific development of conventional industrial technologies stimulates the creation of new ones in the next generation. Prof. Akira Yazawa has just accomplished such an important
Jan 1, 2003
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Stabilization (Precipitation) Of Mercury From Precious Metals Extraction Wastes Utilizing Trimercaptotriazine
By Ljiljana Solujic
The need for the removal of mercury from the precious metals extraction circuits may be influenced by process, environmental, as well as by occupational hazard reasons. In these circuits mercury is ma
Jan 1, 1996
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Comparison of Dislocation and Other Deformation Microstructures in As-Grown, Compression Tested, and Ballistically Penetrated W Single-Crystal Rods
By M. T. Baquera
A comparison of microstructures associated with W single-crystal ([001], [011], [111]) rods prior to deformation (as grown), and after quasi-static compression (at a strain rate of ~1/s) by transmissi
Jan 1, 2006
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Effect of Cross-Hatched Mold Surface Topography on Shell Morphology in the Solidification of an Aluminum Alloy
By P. N. Anyalebechi
The effects of a cross-hatched grooved mold surface topography, casting speed, and superheat on the morphology of solidifying shells of aluminum alloy 3003 have been characterized by a series of immer
Jan 1, 2008
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Adiabatic Shear Bands Associated with Plug Formation and Penetration in Ti-6Al-4V Targets: Formation, Structure, and Performance: A Preliminary Study
A series of electron beam, cold hearth, single melt Ti-6Al-4V plates (nominally 2.5 cm thick) impacted by 2cm diameter, 4340 steel projectiles (with 54g nominal mass) at velocities ranging from 0.633
Jan 1, 2006
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Characterization of Vitrified Tile Bodies with Kaolinitic Clay and Nepheline-Syenite
By C. M. F. Vieira
This work has as its objective to characterize ceramic bodies for vitrified tiles elaborated with the mixture of nepheline-syenite flux and kaolinitic clay. Formulations were prepared with 0, 30 and 5
Jan 1, 2010
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IN SITU SYNTHESIS OF Al-Tic-Al2O3 AND Al-Sic-Al2O3 COMPOSITES
By Napisporn Memongkol
Syntheses of Al-TiC-Al2O3 and Al-SiC-Al2O3 composites were obtained in situ by carbothermal reduction of mixtures of Al powder, TiO2 powder and activated carbon powders and Al powder, SiO2 powder and
Jan 1, 2006
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Fe-Mn-Al-C Austenitic Steels Treated by Ca and Ce
By S. N. Lekakh
Phosphorous segregated at grain boundaries during solidification and heat treatment dramatically decreases low temperature toughness of precipitation hardened Fe-Mn-Al-C austenitic steel. A thermodyna
Jan 1, 2010
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Recovery of Tellurium from Cadmium Telluride Photovoltaic Module Manufacturing Scrap and other Sources
By Wenming Wang
Recycling of retired cadmium telluride (CdTe) photovoltaic (PV) modules has attracted attention due to new European environmental regulations. Recycling tellurium from CdTe PV modules is becoming more
Jan 1, 2006