Search Results - "Freitas, Emmanuelle S."

EIS and potentiodynamic polarization studies on immiscible monotectic Al–In alloys by Osório, Wislei R., Freitas, Emmanuelle S., Garcia, Amauri

“…•The Al–In alloy microstructure is characterized by In droplets spread in an Al matrix.•The scale of phases forming the microstructure affect the…”
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Electrochemical behavior of a lead-free Sn–Cu solder alloy in NaCl solution by Osório, Wislei R., Freitas, Emmanuelle S., Spinelli, José E., Garcia, Amauri

“…•Microstructure array and Cu content affect corrosion of Sn–Cu alloys.•Microstructure has important role in current density and Cu content in electrochemical…”
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The effects of tertiary dendrite arm spacing and segregation on the corrosion behavior of a Pb–Sb alloy for lead-acid battery components by Osório, Wislei R., Freitas, Emmanuelle S., Peixoto, Leandro C., Spinelli, José E., Garcia, Amauri

“…► The tertiary arms permit the eutectic mixture to be more homogeneously distributed. ► Tertiary arrays associated with the antimony segregation have an…”
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The effects of Zn segregation and microstructure length scale on the corrosion behavior of a directionally solidified Mg-25 wt.%Zn alloy by Verissimo, Nathalia C., Freitas, Emmanuelle S., Cheung, Noé, Garcia, Amauri, Osório, Wislei R.

“…Biodegradable implants can be used in order to avoid removal surgery. Mg-Zn alloys are considered interesting alternatives for biomedical applications,…”
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Monotectic Al–Bi–Sn alloys directionally solidified: Effects of Bi content, growth rate and cooling rate on the microstructural evolution and hardness by Costa, Thiago A., Freitas, Emmanuelle S., Dias, Marcelino, Brito, Crystopher, Cheung, Noé, Garcia, Amauri

“…Al-based monotectic alloys can have interesting tribological characteristics with the solute acting as a solid lubricant, while the matrix provides required…”
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Directionally solidified dilute Zn-Mg alloys: Correlation between microstructure and corrosion properties by Vida, Talita A., Conde, Ana, Freitas, Emmanuelle S., Arenas, Maria A., Cheung, Noé, Brito, Crystopher, de Damborenea, Juan, Garcia, Amauri

“…Zinc–Magnesium (Zn–Mg) alloys have been addressed as potential biodegradable biomaterials. These alloys enable to overcome the main drawbacks of Mg, its high…”
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EIS parameters and cell spacings of an Al–Bi alloy in NaCl solution by Osório, Wislei R., Freitas, Emmanuelle S., Garcia, Amauri

“…•The cell spacings affect the electrochemical behavior.•Larger cell array is correlated to higher corrosion resistance.•The deleterious effect in…”
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Mechanical and corrosion resistances of a Sn-0.7 wt.%Cu lead-free solder alloy by FREITAS, Emmanuelle S, OSORIO, Wislei R, SPINELLI, José E, GARCIA, Amauri

“…Sn-Cu alloys are interesting lead-free solder alternatives, with particular interest in the eutectic/near-eutectic compositions. However, little is known about…”
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Thermal Parameters and Microstructural Development in Directionally Solidified Zn-Rich Zn-Mg Alloys by Vida, Talita A., Freitas, Emmanuelle S., Brito, Crystopher, Cheung, Noé, Arenas, Maria A., Conde, Ana, De Damborenea, Juan, Garcia, Amauri

“…Transient directional solidification experiments have been carried out with Zn-Mg hypoeutectic alloys under an extensive range of cooling rates with a view to…”
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Inter-relation of Microstructural Features and Dry Sliding Wear Behavior of Monotectic Al–Bi and Al–Pb Alloys by Freitas, Emmanuelle S., Silva, Adrina P., Spinelli, José E., Casteletti, Luiz C., Garcia, Amauri

“…Immiscible Al-based alloys of monotectic composition have a particular feature of minority phases embedded into the Al-rich matrix. The disseminated particles…”
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Electrochemical Impedance Spectroscopy and Potentiodynamic Polarization Studies Affected by the Microstructure Array of a Monotectic Al-Pb Alloy in a NaCl Solution by OSORIO, Wislei R, FREITAS, Emmanuelle S, GARCIA, Amauri

“…In this study, electrochemical impedance spectroscopy (EIS) plots and potentiodynamic polarization curves of tests carried out with monotectic Al-Pb alloy…”
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Corrosion Performance Based on the Microstructural Array of Al-Based Monotectic Alloys in a NaCl Solution by Osório, Wislei R., Freitas, Emmanuelle S., Garcia, Amauri

“…The aim of this study is to compare the electrochemical behavior of three monotectic Al-based alloys (Al-Pb, Al-Bi, and Al-In) in a 0.5 M NaCl solution at room…”
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Electrochemical Behavior of an Al-Fe-Ni Alloy Affected by Nano-Sized Intermetallic Particles by Osorio, Wislei R, Cante, Manuel V, Brito, Crystopher, Freitas, Emmanuelle S, Garcia, Amauri

“…The aim of this study is to determine the effect of the resulting microstructural array of an as-cast Al-1 wt% Fe-1 wt% Ni alloy on its electrochemical…”
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Growth of tertiary dendritic arms during the transient directional solidification of hypoeutectic Pb-Sb alloys by Freitas, Emmanuelle S., Rosa, Daniel M., Garcia, Amauri, Spinelli, José E.

“…Despite the importance of a complete characterization of dendritic patterns in castings, the availability of studies on the development of tertiary dendrite…”
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Microstructure, tensile properties and wear resistance correlations on directionally solidified Al-Sn-(Cu; Si) alloys by Bertelli, Felipe, Freitas, Emmanuelle S., Cheung, Noé, Arenas, Maria A., Conde, Ana, de Damborenea, Juan, Garcia, Amauri

“…The development of alloys suitable for engine bearings demands not only reducing the amount of wear as well as increasing the load carrying capability due to…”
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The effect of microstructure length scale on dry sliding wear behaviour of monotectic Al-Bi-Sn alloys by Costa, Thiago A., Dias, Marcelino, Freitas, Emmanuelle S., Casteletti, Luiz C., Garcia, Amauri

“…The addition of third elements to Al-based monotectic alloys can increase the alloy load capacity, and depending on the nature of the third element can also…”
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Electrochemical Corrosion Behavior of as-cast Zn-rich Zn-Mg Alloys in a 0.06M NaCl Solution by Vida, Talita A., Freitas, Emmanuelle S., Cheung, Noé, Garcia, Amauri, Osório, Wislei R.

“…The electrochemical corrosion behavior of as-cast samples of Zn-1.2 wt.% and Zn-2.0 wt.% Mg alloys, solidified under similar cooling rates, is investigated in…”
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Microstructure–wear behavior correlation on a directionally solidified Al–In monotectic alloy by Freitas, Emmanuelle S., Spinelli, José E., Casteletti, Luiz C., Garcia, Amauri

“…Al–In monotectic alloys are potential alternatives for application in the manufacture of wear-resistant automotive components, such as cylinder liners and…”
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Mechanical and corrosion resistances of a Sn–0.7wt.%Cu lead-free solder alloy by Freitas, Emmanuelle S., Osório, Wislei R., Spinelli, José E., Garcia, Amauri

“…•β-Sn cell and dendrite forms of Sn–0.7wt.%Cu alloy are characterized.•Cu6Sn5 interphase and cell/dendritic spacing are determined.•Solidification thermal…”
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Assessment of Electrochemical and Mechanical Behavior of Hot- Extruded Powders and As-Cast Samples of Al-Ni Alloys by Osório, Wislei R., Freitas, Emmanuelle S., Spinelli, José E., Canté, Manuel V., Afonso, Conrado R.M., Garcia, Amauri

“…The cellular or dendritic morphologies of the Al-rich matrix as well as the morphology, size, and distribution of the intermetallic particles can affect not…”
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