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Preliminary Evaluation of Spark Plasma Extrusion
By K. Morsi
The interest in spark plasma sintering has been growing considerable over the past few years. This has been brought about by the unique advantages of the process, which include reduced sintering tempe
Jan 1, 2009
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Thermodynamic Relation between Chromium and Sulfur in Fe-Cr Melts
By Young-Dae Kim, Dong-Sic Kim, Jong-Jin Pak, Kyung-Hyo Do
"Sulfur is one of the most harmful elements in stainless steel (SIS) products and the specification of sulfur content is getting more severe for high grade SIS. In order to accurately control the desu
Jan 1, 2014
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The Challenge of Allocation in LCA: The Case of Open-Loop Recycling
By Elsa Olivetti
Life cycle assessment (LCA) is used increasingly as a tool to provide quantitative metrics of environmental impact and inform early stage materials selection decisions. One common challenge in LCA ste
Jan 1, 2010
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Valorization Of Solid Wastes As Sorbents For Heavy Metals
By Luciano R. G. Santos
Keywords: biosorption, cadmium, copper, biomass, spent zeolite. The majority of the industrial activities produce some kind of solid wastes. In this work two industrial residues (spent zeolite and
Jan 1, 2005
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A Study Of Accuracy And Reproducibility Of High Temperature Differential Scanning Calorimetry
By Susan Jacob
The heat of fusion of silver was measured using high temperature differential scanning calorimetry (HTDSC). Heating rate, sample mass, calibration standard and cover gas flow rate were varied to dete
Jan 1, 2006
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Recovery of Gold From Leaching Residue of a Complex Sulfide Ore
By Hsing Kuang Lin
Ferric chloride leaching w.as applied to a complex sulfide ore from Tok, Alaska to dissolve zinc, lead, silver and copper. Gold in the leaching residue, as well as in the ore, is found to be refractor
Jan 1, 1989
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Temperature Measurements in Microwave Heating
By Xiang Sun
Microwave heating has been used in numerous industrial processes due to its great advantages when compared with conventional heating methods. However, microwave heated products can be affected by non-
Jan 1, 2006
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Using Transmittance Measurements to Investigate the Interdiffusion through the SnO2/CdS and CdS/CdTe interfaces in SnO2/CdS/CdTe Solar Cells
By Shadia J. Ikhmayies
The SnO2/CdS/CdTe thin film solar cells were fabricated on glass substrates by using the spray pyrolysis (SP) technique for the deposition of the SnO2 and CdS layers and vacuum evaporation for the CdT
Jan 1, 2010
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Practice on Exploration of Oxygen-Enriched Converting Industrial Production by Kaldo Furnace
By Zhihua Wang
Through metallurgical calculation and process analysis based on metallurgical theory, it is aimed to raise the concentration of smelting oxygen and improve the update speed of reaction interface, acce
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Metals Recover of Obsolete Mobile Electronics
By Viviane Tavares
The technology advance of mobile devices makes consumers of these equipment do more constant exchanges, with this the obsolete devices discarding becomes an environmental problem, due its landfill acc
Jan 1, 2009
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Simulation of bubble formation based on the Lattice Boltzmann Method
By Wilhelm Brandstätter, Johannes Steiner, Alois Triessnig, Christian Redl
"The results of numerical simulations of bubble detachment from an orifice in a horizontal plate submerged in liquid are presented. The bubbles are created by forcing gas through this orifice into sta
Jan 1, 2004
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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
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Synthesis and Chlorination of Titanium Oxycarbide
By Guangqing Zhang
The paper presents results of a systematic study of synthesis of titanium oxycarbide and its chlorination. Titanium oxycarbide was produced by carbothermal reduction of titania in hydrogen, argon and
Jan 1, 2009
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Multi-scale Solidification Model for Laser Engineered Net Shaping (LENS) Process
By Hebi Yin
A two-dimensional multi-scale solidification model was developed to study the heat transfer, fluid flow, and grain growth occurring in the molten pool during the laser engineered net shaping (LENS) pr
Jan 1, 2010
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Recycling of Steelmaking Slag Aiming at the Production of Thermo-Acoustic Insulation
By Joner Oliveira Alves
The aim of this work was to study the use of steelmaking slag as raw material to the production of rock wool and glass wool. Firstly, the chemical composition of the slag was analyzed. These results w
Jan 1, 2009
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Materials Characterization of Electrocoagulation by products using Al-Fe Combination Electrode System
By Jewel A. G. Gomes
Electrocoagulation (EC) has been performed with Al-Fe electrode system with changing polarity for the removal of arsenic from water. The removal process has been studied using ICP-AES and Anodic Strip
Jan 1, 2006
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Mathematical Modeling Of Molten Steel Flow During RH Refining Process
By Han-Tao Hu
Keywords: RH refining process, flow of molten steel, two-phase flow, gas holdup, circulation rate, mathematical modeling A three-dimensional mathematical model for the flow of the molten steel in
Jan 1, 2005
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Preparation of MgO Whisker from Magnesite Tailings
By Yue-yuan Li
China has abundant magnesite resource, but the low-grade and powder ores have always been rejected, which influences the comprehensive utilization of resource and often causes circumstance problems. T
Jan 1, 2010
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Synthesis of Nanosized Tungsten Powder by a Thermal Plasma Process and its Sintering Behavior
By Taegong Ryu
Nanosized tungsten powder was synthesized by the hydrogen reduction of ammonium paratungstate (APT) in thermal plasma. The effects of operating conditions on the product composition and particle size
Jan 1, 2009
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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