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Rodrigo Fernandes Magalhães de Souza
Department of Chemical and Materials Engineering, Pontifical Catholic University of Rio de Janeiro, Rio de Janeiro 22451-900, RJ, Brazil

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Journal article
Published: 16 August 2021 in Sustainability
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Brazil is the second largest producer of electronic waste in the Americas, with a production that grows each year and only 10% of it being treated in its own way. Additionally, given the typical chemical composition of this type of residue, it can be possible to recover valuable metals, such as copper, gold, silver, and platinum. Presently, Brazil does not have an industrial plant devoted to such extractive activity using electronic waste, with most of its treatment carried out abroad. The research hypothesis of this manuscript is that universities and their communities could develop sources of raw materials for such extraction processes and, therefore, deserve attention for the creation of collection points and partnerships. In this context, there is a need to understand this community behavior regarding the acquisition, storage, and disposal of electronic equipment, as well as information about topics related to electronic waste management and recycling. To implement such a study for the higher education community in Rio de Janeiro, a form was created covering several topics on the subject, which was disseminated among the teachers, students, employees, and family members of two main state universities. It was determined that the studied group has more than 16.96 million mobile phones in hibernation, in addition to other equipment, with an estimated stockpile value of USD 67.45 million for the studied group in the metropolitan area of Rio de Janeiro. If extrapolated to all of Brazil, this could be as high as USD 797.50 million for the studied group. This information will be used in future projects to assess the economic potential of an industrial plant dedicated to metal recovery in Brazil. However, the present study also identified an important lack of knowledge regarding proper waste disposal and solid waste policies among this well-educated group. It became clear that without appropriate information regarding collection points and knowledge on how to deal with obsolete devices, the access to this source of raw material could be a hinderance to future extraction projects in the area.

ACS Style

Felipe Seabra D’Almeida; Roberto Bentes de Carvalho; Felipe Sombra dos Santos; Rodrigo Fernandes Magalhães de Souza. On the Hibernating Electronic Waste in Rio de Janeiro Higher Education Community: An Assessment of Population Behavior Analysis and Economic Potential. Sustainability 2021, 13, 9181 .

AMA Style

Felipe Seabra D’Almeida, Roberto Bentes de Carvalho, Felipe Sombra dos Santos, Rodrigo Fernandes Magalhães de Souza. On the Hibernating Electronic Waste in Rio de Janeiro Higher Education Community: An Assessment of Population Behavior Analysis and Economic Potential. Sustainability. 2021; 13 (16):9181.

Chicago/Turabian Style

Felipe Seabra D’Almeida; Roberto Bentes de Carvalho; Felipe Sombra dos Santos; Rodrigo Fernandes Magalhães de Souza. 2021. "On the Hibernating Electronic Waste in Rio de Janeiro Higher Education Community: An Assessment of Population Behavior Analysis and Economic Potential." Sustainability 13, no. 16: 9181.

Journal article
Published: 24 July 2021 in Journal of Materials Research and Technology
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The present manuscript proposes the use of two different approaches for kinetic modeling to study the thermal decomposition of sulfates: a graphical one (sigmoid) and a stochastic one (particle swarm optimization - PSO). Three scenarios were analyzed: pure potassium alum, pure aluminum sulfate, and a mixture of potassium sulfate and aluminum sulfate using TGA under inert atmosphere (N2). The presence of potassium sulfate reduced the decomposition temperature of aluminum sulfate. The results of both methods agree with each other, despite not yielding the same values. The determined apparent orders were around 1.7 for all cases in the graphical method and varied from 1.02 (pure aluminum sulfate) and around 1.5 (potassium alum and mixture of sulfates) for the PSO method. The activation energies were in the range 209 - 264 kJ.mol-1 for the graphical method and 296 - 352 kJ.mol-1 for the PSO method, with the mixture of sulfates having the lowest activation energy values, and the pure aluminum sulfate having the highest ones.

ACS Style

Artur S.C. Rego; Carolina V.B. Marprates; Talita S.X. Silva; João G. Neto; Rogério C.S. Navarro; Rodrigo F.M. Souza; Eduardo A. Brocchi. KAl(SO4)2 thermal decomposition kinetics modeling through graphical and PSO methods. Journal of Materials Research and Technology 2021, 14, 1975 -1984.

AMA Style

Artur S.C. Rego, Carolina V.B. Marprates, Talita S.X. Silva, João G. Neto, Rogério C.S. Navarro, Rodrigo F.M. Souza, Eduardo A. Brocchi. KAl(SO4)2 thermal decomposition kinetics modeling through graphical and PSO methods. Journal of Materials Research and Technology. 2021; 14 ():1975-1984.

Chicago/Turabian Style

Artur S.C. Rego; Carolina V.B. Marprates; Talita S.X. Silva; João G. Neto; Rogério C.S. Navarro; Rodrigo F.M. Souza; Eduardo A. Brocchi. 2021. "KAl(SO4)2 thermal decomposition kinetics modeling through graphical and PSO methods." Journal of Materials Research and Technology 14, no. : 1975-1984.

Journal article
Published: 21 January 2020 in Journal of Aerospace Technology and Management
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The necessity for ever more efficient and compact power sources drives the development of more durable and more power-intensive sources. Electrochemical sources include primary batteries that support a single discharge cycle and secondary batteries that support a defined number of charge-discharge cycles. Such sources should be suitable for the intended application, such as emergency systems, military and aerospace apparatus, where they must have long shelf life, high current density and reliability. Thermal batteries work with LiCl-KCl eutectic electrolyte anodes and FeS2 cathodes. A pyrometallurgical synthesis route was studied for roasting reaction between Fe2O3 and vaporized sulfur to obtain FeS2. The results obtained showed a conversion close to 90% and a high dispersion of agglomerates sizes, which disaggregated generate particles suitable for cathode manufacturing.

ACS Style

Gabriel Evangelista Medeiros; Francisco José Moura; Rodrigo Fernandes Magalhães De Souza. Iron Disulfide Synthesis for Thermal Batteries Applications. Journal of Aerospace Technology and Management 2020, 11, 50 -53.

AMA Style

Gabriel Evangelista Medeiros, Francisco José Moura, Rodrigo Fernandes Magalhães De Souza. Iron Disulfide Synthesis for Thermal Batteries Applications. Journal of Aerospace Technology and Management. 2020; 11 (1):50-53.

Chicago/Turabian Style

Gabriel Evangelista Medeiros; Francisco José Moura; Rodrigo Fernandes Magalhães De Souza. 2020. "Iron Disulfide Synthesis for Thermal Batteries Applications." Journal of Aerospace Technology and Management 11, no. 1: 50-53.

Journal article
Published: 16 January 2020 in Journal of Materials Research and Technology
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Magnesium sulphate is commonly present in industrial wastes due to Mg’s presence in the structure of various minerals and the fact that sulphuric acid leaching is widely used. MgO appears as a possible pH neutralizing agent that can be obtained by decomposition of MgSO4. However, at 1500 K, the temperature where this decomposition occurs, the oxide formed cannot be used for this purpose. The thermodynamic study suggests that in the presence of reducing agents, such as carbon, decreasing the decomposition temperature makes the formed oxide viable for this use. The objective of the work is an evaluation of the behaviour of the reaction system constituted by MgSO4 and charcoal. The study also contemplates the obtained materials characterization to verify the MgO formation and evaluating how the properties of the material are suitable for its use as a pH regulator. Thus, in addition to the scanning and X-ray diffraction electron microscopy techniques, the quantification of the reactivity of the product in acid solutions is also expected. The analysis performed with the variables of excess reducing agent and temperature showed that temperature is the variable that most influences the decomposition of MgSO4. The experiments at 1173 K and 20, 25 and 30 min were the ones that indicated the best experimental results of conversion, reaching a conversion close to 100%. The characterization analysis, in XRD and SEM/EDS, indicated that MgO was formed at the end of the reaction. Reactivity test indicates that the obtained MgO can be used as a pH regulator.

ACS Style

Bruno Souza; Rodrigo Fernandes Magalhães de Souza; Iranildes Santos; Eduardo Brocchi. MgSO4 carbothermic reductive decomposition to produce a highly reactive MgO powder. Journal of Materials Research and Technology 2020, 9, 1847 -1855.

AMA Style

Bruno Souza, Rodrigo Fernandes Magalhães de Souza, Iranildes Santos, Eduardo Brocchi. MgSO4 carbothermic reductive decomposition to produce a highly reactive MgO powder. Journal of Materials Research and Technology. 2020; 9 (2):1847-1855.

Chicago/Turabian Style

Bruno Souza; Rodrigo Fernandes Magalhães de Souza; Iranildes Santos; Eduardo Brocchi. 2020. "MgSO4 carbothermic reductive decomposition to produce a highly reactive MgO powder." Journal of Materials Research and Technology 9, no. 2: 1847-1855.

Articles
Published: 01 January 2020 in Materials Research
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The sulfur related thermochemical water-splitting cycles are an important class of chemical processes considered for hydrogen production. Recently, the magnesium sulfate thermal decomposition has been reported as a potential unit operation in one of these cycles. Therefore, some interest has been observed in the use of catalysts to lower the activation energy of such reactions. In this context, the present manuscript reports the thermodynamics and kinetics modeling results associated with this reaction system in the presence of a Pd catalyst supported over γ-Al2O3. The presence of such species is responsible for shifting the decomposition temperature to lower values in at least 100 °C. It was observed that the magnesium content is still oriented towards MgO formation. The obtained results indicate that the Pd/Al2O3 catalyst could be a good alternative in reducing the thermal decomposition temperature as its presence was responsible for diminishing the process activation energy from 368.2 to 258.8 kJ.mol−1.

ACS Style

Nathalli M. Mello; Artur S. C. Rego; Eduardo A. Brocchi; José B. De Campos; Francisco J. Moura; Rodrigo F. M. Souza. Effect of an Alumina Supported Palladium Catalyst on the Magnesium Sulfate Decomposition Kinetics. Materials Research 2020, 23, 1 .

AMA Style

Nathalli M. Mello, Artur S. C. Rego, Eduardo A. Brocchi, José B. De Campos, Francisco J. Moura, Rodrigo F. M. Souza. Effect of an Alumina Supported Palladium Catalyst on the Magnesium Sulfate Decomposition Kinetics. Materials Research. 2020; 23 (6):1.

Chicago/Turabian Style

Nathalli M. Mello; Artur S. C. Rego; Eduardo A. Brocchi; José B. De Campos; Francisco J. Moura; Rodrigo F. M. Souza. 2020. "Effect of an Alumina Supported Palladium Catalyst on the Magnesium Sulfate Decomposition Kinetics." Materials Research 23, no. 6: 1.

Dissertation
Published: 12 April 2019
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ACS Style

Rodrigo Fernandes Magalhães de Souza. OBTENÇÃO DO MGO A PARTIR DA DECOMPOSIÇÃO DO MGSO4 NA PRESENÇA DE CARBONO. 2019, 1 .

AMA Style

Rodrigo Fernandes Magalhães de Souza. OBTENÇÃO DO MGO A PARTIR DA DECOMPOSIÇÃO DO MGSO4 NA PRESENÇA DE CARBONO. . 2019; ():1.

Chicago/Turabian Style

Rodrigo Fernandes Magalhães de Souza. 2019. "OBTENÇÃO DO MGO A PARTIR DA DECOMPOSIÇÃO DO MGSO4 NA PRESENÇA DE CARBONO." , no. : 1.

Journal article
Published: 30 October 2018 in Minerals Engineering
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Concentrates containing sulphide minerals are an important raw material source in the extractive metallurgy of nonferrous metals. This study aims to evaluate the pyrometallurgical processing of a sulphide concentrate with a relatively low copper content through an alternative methodology (roasting-leaching route), in order to selectively obtain CuSO4 and Fe2O3 for the chemical industry. The thermodynamic behaviour of the concentrate was evaluated in order to identify the conditions to fulfil the aforementioned selectivity. The presence of SO2(g) in the reaction system could be responsible for increasing CuSO4 stability without compromising FeSO4 dissociation. Subsequently, experiments were carried out to evaluate the temperature and chemical composition of the atmosphere. Both obtained products and raw materials were characterized using common techniques (e.g. X-Ray Diffraction and SEM/EDS). Finally, some roasting products were submitted to water solubilisation tests in order to verify, in practice, the selective conversion of copper and iron sulphides into CuSO4 and Fe2O3. The proposed methodology allowed for complete separation of Cu from Fe, roasting experiments conducted at 873 K (600 °C) and 923 K (650 °C). This was observed in praxis through the formation of a blue liquor, typically copper sulphate, and a brown solid residue which was deprived of Cu, as verified by the applied characterization methods.

ACS Style

Rodrigo Souza; Carlos Queiroz; José Brant; Eduardo Brocchi. Pyrometallurgical processing of a low copper content concentrate based on a thermodynamic assessment. Minerals Engineering 2018, 130, 156 -164.

AMA Style

Rodrigo Souza, Carlos Queiroz, José Brant, Eduardo Brocchi. Pyrometallurgical processing of a low copper content concentrate based on a thermodynamic assessment. Minerals Engineering. 2018; 130 ():156-164.

Chicago/Turabian Style

Rodrigo Souza; Carlos Queiroz; José Brant; Eduardo Brocchi. 2018. "Pyrometallurgical processing of a low copper content concentrate based on a thermodynamic assessment." Minerals Engineering 130, no. : 156-164.

Journal article
Published: 16 August 2018 in Journal of Materials Research and Technology
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Potassium sulfate (K2SO4) is a very important compound, mostly used as nutrient for plant growth. Potassium sulfate production can be accomplished through the Mannheim process. For potassium bearing silicate minerals, such as glauconite, one alternative is acid leaching followed by selective precipitation and thermal decomposition of potassium alum (KAl(SO4)2). This chemical process is responsible for the formation of soluble K2SO4 and insoluble Al2O3, which can be later separated after solubilization in water and filtration. In this pyrometallurgical reaction, the temperature control is very important. Through the addition of a reducing agent, the decomposition temperature could be significantly reduced. In the present work, the thermal behavior of synthetic samples of hydrated potassium alum (KAl(SO4)2·12H2O) is appreciated through thermogravimetric analysis (TGA), both in the absence as well as in the presence of a reducing agent (charcoal) under inert atmosphere (nitrogen) and dynamic analysis. The addition of a stoichiometric amount of the reducing agent stimulated considerably the decomposition, which started at a lower temperature in comparison with the pure alum sample. Based on the XRD characterization of selected samples, it is suggested that the decomposition process should happen in at least two stages, with Al2(SO4)3 as one of the intermediate reagents. After full decomposition, only Al2O3 and K2SO4 have been identified, as expected based on thermodynamic simulations. Finally, it was demonstrated that the K2SO4 formed could be totally transferred to aqueous solution after a solubilization carried out at 363 K for two hours; the remaining solid was characterized as pure aluminum oxide (Al2O3).

ACS Style

Rodrigo Souza; Rogério Navarro; Alexandre Vargas Grillo; Eduardo Brocchi. Potassium alum thermal decomposition study under non-reductive and reductive conditions. Journal of Materials Research and Technology 2018, 8, 745 -751.

AMA Style

Rodrigo Souza, Rogério Navarro, Alexandre Vargas Grillo, Eduardo Brocchi. Potassium alum thermal decomposition study under non-reductive and reductive conditions. Journal of Materials Research and Technology. 2018; 8 (1):745-751.

Chicago/Turabian Style

Rodrigo Souza; Rogério Navarro; Alexandre Vargas Grillo; Eduardo Brocchi. 2018. "Potassium alum thermal decomposition study under non-reductive and reductive conditions." Journal of Materials Research and Technology 8, no. 1: 745-751.

Dissertation
Published: 23 March 2018 in PROCESSAMENTO QUÍMICO DE CONCENTRADOS SULFETADOS COM ALTO E BAIXO TEOR DE COBRE
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ACS Style

Rodrigo Fernandes Magalhães de Souza. PROCESSAMENTO QUÍMICO DE CONCENTRADOS SULFETADOS COM ALTO E BAIXO TEOR DE COBRE. PROCESSAMENTO QUÍMICO DE CONCENTRADOS SULFETADOS COM ALTO E BAIXO TEOR DE COBRE 2018, 1 .

AMA Style

Rodrigo Fernandes Magalhães de Souza. PROCESSAMENTO QUÍMICO DE CONCENTRADOS SULFETADOS COM ALTO E BAIXO TEOR DE COBRE. PROCESSAMENTO QUÍMICO DE CONCENTRADOS SULFETADOS COM ALTO E BAIXO TEOR DE COBRE. 2018; ():1.

Chicago/Turabian Style

Rodrigo Fernandes Magalhães de Souza. 2018. "PROCESSAMENTO QUÍMICO DE CONCENTRADOS SULFETADOS COM ALTO E BAIXO TEOR DE COBRE." PROCESSAMENTO QUÍMICO DE CONCENTRADOS SULFETADOS COM ALTO E BAIXO TEOR DE COBRE , no. : 1.

Article
Published: 20 March 2017 in Metallurgical and Materials Transactions A
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Ferrous alloys are important raw materials for special steel production. In this context, alloys from the Fe-Cr system, with typical Cr weight fraction ranging from 0.45 to 0.95, are prominent, particularly for the stainless steel industry. During the process in which these alloys are obtained, there is considerable production of fine powder, which could be reused after suitable chemical treatment, for example, through coupling pyrometallurgical and hydrometallurgical processes. In the present study, the extraction of chromium from fine powder generated during the production of a Fe-Cr alloy with high C content was investigated. Roasting reactions were performed at 1073 K, 1173 K, and 1273 K (800 °C, 900 °C, and 1000 °C) with 300 pct (w/w) excess NaOH in an oxidizing atmosphere (air), followed by solubilization in deionized water, selective precipitation, and subsequent calcination at 1173 K (900 °C) in order to convert the obtained chromium hydroxide to Cr2O3. The maximum achieved Cr recovery was around 86 pct, suggesting that the proposed chemical route was satisfactory regarding the extraction of the chromium initially present. Moreover, after X-ray diffraction analysis, the final produced oxide has proven to be pure Cr2O3 with a mean crystallite size of 200 nm.

ACS Style

D. M. Torres; R. C. S. Navarro; Rodrigo Fernandes Magalhães de Souza; E. A. Brocchi. Chromium Extraction via Chemical Processing of Fe-Cr Alloys Fine Powder with High Carbon Content. Metallurgical and Materials Transactions A 2017, 48, 1533 -1538.

AMA Style

D. M. Torres, R. C. S. Navarro, Rodrigo Fernandes Magalhães de Souza, E. A. Brocchi. Chromium Extraction via Chemical Processing of Fe-Cr Alloys Fine Powder with High Carbon Content. Metallurgical and Materials Transactions A. 2017; 48 (3):1533-1538.

Chicago/Turabian Style

D. M. Torres; R. C. S. Navarro; Rodrigo Fernandes Magalhães de Souza; E. A. Brocchi. 2017. "Chromium Extraction via Chemical Processing of Fe-Cr Alloys Fine Powder with High Carbon Content." Metallurgical and Materials Transactions A 48, no. 3: 1533-1538.

Journal article
Published: 21 April 2015 in Metallurgical and Materials Transactions A
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This work covers initially a general thermodynamics assessment regarding the zinc ferrite (ZnFe2O4) behavior toward direct and reducing chlorination. Then, the use of alternative chlorination agents were also theoretically appreciated, before a set of experiments has been carried out with industrial residue (electric arc furnace dust). Besides identifying zinc ferrite (95.4 pct), the XRD analysis indicated the presence of ZnO (4.6 pct). Therefore, the main objective of the present work is related to a theoretical (thermodynamics) and experimental (kinetics) evaluation of the mentioned residue chemical behavior as submitted to chlorination methods. Several characterization methods were used, such as X-ray diffraction, scanning electron microscopy, X-ray fluorescence, mass spectroscopy (ICP-MS), and energy-dispersive X-ray spectroscopy (EDS). It was observed that zinc was present, mostly, in the form of zinc ferrite (franklinite). The thermodynamics study revealed that Zn has a more susceptible behavior regarding the oxides conversion into chlorides. However, this tendency is not necessarily associated with a selective reaction, as showed for the chlorination in the presence of carbon, as both iron and zinc chlorides formation is feasible. The experimental results have indicated that some reaction systems can be further studied in order to identify operational conditions that enable selective formations. So, it was observed that for the calcium chloride reaction conducted at 1273 K (1000 °C) for 30 minutes, the iron content in the residue slightly increases (with 15 pct removal), whereas the zinc content decreases from 20 to 12 pct (53 pct removal), suggesting complementary studies where this possible selectivity could be even more determinant. Such results have also indicated that the direct action of chlorine at 1073 K (800 °C) allowed complete removal of zinc, followed by conversion in the order of 40 pct in iron. Therefore, a complementary investigation over these alternatives is identified as a promising option in the field of electric arc furnace dust treatment, particularly when the Zn content is very low.

ACS Style

Felipe De Oliveira De Souza Santos; Eduardo Brocchi; Victor Araújo; Rodrigo Fernandes Magalhães de Souza. Behavior of Zn and Fe Content in Electric Arc Furnace Dust as Submitted to Chlorination Methods. Metallurgical and Materials Transactions A 2015, 46, 1729 -1741.

AMA Style

Felipe De Oliveira De Souza Santos, Eduardo Brocchi, Victor Araújo, Rodrigo Fernandes Magalhães de Souza. Behavior of Zn and Fe Content in Electric Arc Furnace Dust as Submitted to Chlorination Methods. Metallurgical and Materials Transactions A. 2015; 46 (4):1729-1741.

Chicago/Turabian Style

Felipe De Oliveira De Souza Santos; Eduardo Brocchi; Victor Araújo; Rodrigo Fernandes Magalhães de Souza. 2015. "Behavior of Zn and Fe Content in Electric Arc Furnace Dust as Submitted to Chlorination Methods." Metallurgical and Materials Transactions A 46, no. 4: 1729-1741.

Book chapter
Published: 20 February 2015 in 6th International Symposium on High-Temperature Metallurgical Processing
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ACS Style

Eduardo Brocchi; Douglas Torres; Rogério Navarro; Rodrigo Fernandes Magalhães de Souza; José Brant. Chemical Processing of a High Carbon FeCr Alloy Fine Powder. 6th International Symposium on High-Temperature Metallurgical Processing 2015, 223 -230.

AMA Style

Eduardo Brocchi, Douglas Torres, Rogério Navarro, Rodrigo Fernandes Magalhães de Souza, José Brant. Chemical Processing of a High Carbon FeCr Alloy Fine Powder. 6th International Symposium on High-Temperature Metallurgical Processing. 2015; ():223-230.

Chicago/Turabian Style

Eduardo Brocchi; Douglas Torres; Rogério Navarro; Rodrigo Fernandes Magalhães de Souza; José Brant. 2015. "Chemical Processing of a High Carbon FeCr Alloy Fine Powder." 6th International Symposium on High-Temperature Metallurgical Processing , no. : 223-230.

Journal article
Published: 30 October 2014 in Metallurgical and Materials Transactions A
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Iron-nickel alloys have been synthesized through thermal decomposition of nitrates aqueous solutions followed by H2 reduction. The effect of temperature [773 K to 973 K (500 °C to 700 °C)] over the oxide reduction kinetics has been studied. The results indicate that at 973 K (700 °C) and for a reaction time of 90 minutes, it was possible to obtain Fe-Ni alloys with distinct compositions. The X-ray diffraction analysis (XRD) of the initial oxide mixture has shown distinct peaks of iron and nickel oxides (Fe2O3, NiO, and Fe2NiO4). The same analysis for the reduced samples suggests that alloying has taken place. Indeed, the Rietveld analysis of the XRD patterns indicates the presence of two solid solutions—alpha (BCC) and FeNi3 (FCC), with varying mass percent depending on the initial Fe to Ni ratio, in accordance with the information contained in the Fe-Ni phase diagram. The calculated alloy average crystallite size has shown to be equal to 26 nm. Total magnetization measurements suggest a superparamagnetic behavior, which is a typical result for magnetic materials of considerable nanostructured content, in accordance with the expectation based on the quantitative evaluation of the XRD data.

ACS Style

Orfelinda Avalo Cortez; Francisco José Moura; Eduardo De Albuquerque Brocchi; Rogério Navarro Correia De Siqueira; Rodrigo Fernandes Magalhães De Souza. Fe-Ni Alloy Synthesis Based on Nitrates Thermal Decomposition Followed by H2 Reduction. Metallurgical and Materials Transactions A 2014, 45, 2033 -2039.

AMA Style

Orfelinda Avalo Cortez, Francisco José Moura, Eduardo De Albuquerque Brocchi, Rogério Navarro Correia De Siqueira, Rodrigo Fernandes Magalhães De Souza. Fe-Ni Alloy Synthesis Based on Nitrates Thermal Decomposition Followed by H2 Reduction. Metallurgical and Materials Transactions A. 2014; 45 (6):2033-2039.

Chicago/Turabian Style

Orfelinda Avalo Cortez; Francisco José Moura; Eduardo De Albuquerque Brocchi; Rogério Navarro Correia De Siqueira; Rodrigo Fernandes Magalhães De Souza. 2014. "Fe-Ni Alloy Synthesis Based on Nitrates Thermal Decomposition Followed by H2 Reduction." Metallurgical and Materials Transactions A 45, no. 6: 2033-2039.

Dissertation
Published: 03 April 2013 in USTULAÇÃO SELETIVA DE UM CONCENTRADO SULFETADO COM BAIXO TEOR DE COBRE
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ACS Style

Rodrigo Fernandes Magalhães De Souza. USTULAÇÃO SELETIVA DE UM CONCENTRADO SULFETADO COM BAIXO TEOR DE COBRE. USTULAÇÃO SELETIVA DE UM CONCENTRADO SULFETADO COM BAIXO TEOR DE COBRE 2013, 1 .

AMA Style

Rodrigo Fernandes Magalhães De Souza. USTULAÇÃO SELETIVA DE UM CONCENTRADO SULFETADO COM BAIXO TEOR DE COBRE. USTULAÇÃO SELETIVA DE UM CONCENTRADO SULFETADO COM BAIXO TEOR DE COBRE. 2013; ():1.

Chicago/Turabian Style

Rodrigo Fernandes Magalhães De Souza. 2013. "USTULAÇÃO SELETIVA DE UM CONCENTRADO SULFETADO COM BAIXO TEOR DE COBRE." USTULAÇÃO SELETIVA DE UM CONCENTRADO SULFETADO COM BAIXO TEOR DE COBRE , no. : 1.

Conference paper
Published: 18 May 2012 in Supplemental Proceedings
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ACS Style

Eduardo Brocchi; Marina Doneda; Rogério Navarro; Ana Cristina Wimmer; Rodrigo Fernandes Magalhães de Souza; Jose Brant de Campos. Synthesis and Characterization of Metallic Oxides. Supplemental Proceedings 2012, 179 -186.

AMA Style

Eduardo Brocchi, Marina Doneda, Rogério Navarro, Ana Cristina Wimmer, Rodrigo Fernandes Magalhães de Souza, Jose Brant de Campos. Synthesis and Characterization of Metallic Oxides. Supplemental Proceedings. 2012; ():179-186.

Chicago/Turabian Style

Eduardo Brocchi; Marina Doneda; Rogério Navarro; Ana Cristina Wimmer; Rodrigo Fernandes Magalhães de Souza; Jose Brant de Campos. 2012. "Synthesis and Characterization of Metallic Oxides." Supplemental Proceedings , no. : 179-186.