Search Results - "Isaac, Augusta"

Mechanical mixing of Mg and Zn using high-pressure torsion by Castro, Moara M., Montoro, Luciano A., Isaac, Augusta, Kawasaki, Megumi, Figueiredo, Roberto B.

“…•Composites having different proportions of Mg and Zn are synthesized at room temperature by mechanical mixing and alloying.•Structural characterization shows…”
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Three-Dimensional Stable Alginate-Nanocellulose Gels for Biomedical Applications: Towards Tunable Mechanical Properties and Cell Growing by Siqueira, Priscila, Siqueira, Éder, de Lima, Ana Elza, Siqueira, Gilberto, Pinzón-Garcia, Ana Delia, Lopes, Ana Paula, Segura, Maria Esperanza Cortés, Isaac, Augusta, Pereira, Fabiano Vargas, Botaro, Vagner Roberto

“…Hydrogels have been studied as promising materials in different biomedical applications such as cell culture in tissue engineering or in wound healing. In this…”
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Using high pressure torsion to process magnesium alloys for biological applications by Medeiros, Mariana P., Carvalho, Amanda P., Isaac, Augusta, Afonso, Conrado R.M., Janeček, Miloš, Minárik, Peter, Celis, Mayerling Martinez, Figueiredo, Roberto B.

“…The effect of high pressure torsion processing on mechanical properties and corrosion behavior of pure magnesium and Mg-Zn, Mg-Zn-Ca, Mg-Li-Y and Mg-Y-RE…”
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Probing the 3D molecular and mineralogical heterogeneity in oil reservoir rocks at the pore scale by Oliveira, Guilherme José Ramos, de Oliveira, Paula Campos, Surmas, Rodrigo, Ferreira, Leandro de Paulo, Markötter, Henning, Kardjilov, Nikolay, Manke, Ingo, Montoro, Luciano Andrey, Isaac, Augusta

“…Innovative solutions have been designed to meet the global demand for energy and environmental sustainability, such as enhanced hydrocarbon recovery and…”
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Magnesium-Based Bioactive Composites Processed at Room Temperature by Castro, Moara M, Lopes, Debora R, Soares, Renata B, Dos Santos, Diogo M M, Nunes, Eduardo H M, Lins, Vanessa F C, Pereira, Pedro Henrique R, Isaac, Augusta, Langdon, Terence G, Figueiredo, Roberto B

“…Hydroxyapatite and bioactive glass particles were added to pure magnesium and an AZ91 magnesium alloy and then consolidated into disc-shaped samples at room…”
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Development and application of a miniaturized tensile testing device for in situ synchrotron microtomography experiments by de Oliveira, André Fioravante, Isaac, Augusta Cerceau, Vitorino, Luisa Sá, de Oliveira, Paula Campos, Oréfice, Rodrigo Lambert, Brito, Pedro Paiva

“…The nondestructive nature of X-ray microtomography (µCT) associated with its suitable temporal resolution, obtained with the use of high energy polychromatic…”
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From nano- to micrometer scale: the role of microwave-assisted acid and alkali pretreatments in the sugarcane biomass structure by Isaac, Augusta, de Paula, Jéssica, Viana, Carlos Martins, Henriques, Andréia Bicalho, Malachias, Angelo, Montoro, Luciano A

“…To date, great strides have been made in elucidating the role of thermochemical pretreatments in the chemical and structural features of plant cell walls;…”
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Morphology Evolution during Stretching Investigated by in situ SAXS of Hybrids with Ceramic Nanoparticles Selectively Incorporated into a Highly Available Block Copolymer as a Model Material for Wearables by Dorneles, Matheus Figueiredo, de Oliveira, André Fioravante, Brito, Pedro Paiva, Neta, Augusta Cerceau Isaac, Oréfice, Rodrigo Lambert

“…Polystyrene-b-poly­(ethylene-co-butylene)-b-polystyrene-grafted maleic anhydride (SEBS-MA), a highly available block copolymer (BCP), was employed as a…”
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Inverse Hall–Petch Behaviour in an AZ91 Alloy and in an AZ91–Al2O3 Composite Consolidated by High‐Pressure Torsion by Castro, Moara M., Pereira, Pedro Henrique R., Isaac, Augusta, Langdon, Terence G., Figueiredo, Roberto B.

“…High‐pressure torsion (HPT) is a significant procedure for achieving substantial grain refinement but it may be used also to consolidate metallic particles to…”
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Development of a magnesium-alumina composite through cold consolidation of machining chips by high-pressure torsion by Castro, Moara M., Pereira, Pedro Henrique R., Isaac, Augusta, Figueiredo, Roberto B., Langdon, Terence G.

“…High pressure torsion offers unique conditions for the consolidation of metallic particles at room temperature owing to the high hydrostatic compressive…”
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Capturing 3D water layers and water-filled micropores in carbonate rock by high-resolution neutron tomography by Ramos de Oliveira, Guilherme José, Montoro, Luciano Andrey, Manke, Ingo, Kardjilov, Nikolay, Isaac, Augusta

“…Knowledge of micrometer-scale wetting layers and microporosity in rocks is crucial for a deeper understanding of immiscible fluid displacement, and especially…”
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Retrieving the configuration of grain boundary structure in polycrystalline materials by extraordinary X‐ray reflection analysis by Aarão-Rodrigues, Lorena, Isaac, Augusta, Figueiredo, Roberto B., Malachias, Angelo

“…The development of materials is strongly related to our capability of understanding thermal, mechanical and chemical processing on the nanoscale. Unravelling…”
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A magnesium-aluminium composite produced by high-pressure torsion by Castro, Moara M., Sabbaghianrad, Shima, Pereira, Pedro Henrique R., Mazzer, Eric M., Isaac, Augusta, Langdon, Terence G., Figueiredo, Roberto B.

“…A magnesium/aluminium composite was produced by room temperature consolidation through high-pressure torsion (HPT) processing. Half-discs of the pure metals…”
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Inverse Hall–Petch Behaviour in an AZ91 Alloy and in an AZ91–Al 2 O 3 Composite Consolidated by High‐Pressure Torsion by Castro, Moara M., Pereira, Pedro Henrique R., Isaac, Augusta, Langdon, Terence G., Figueiredo, Roberto B.

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Development of segregations in a Mg–Mn–Nd alloy during HPT processing by de Oliveira, Paula C., Montoro, Luciano A., Perez-Prado, Maria Teresa, Hohenwarter, Anton, Figueiredo, Roberto B., Isaac, Augusta

“…The present work evaluates the segregation of alloying elements during severe plastic deformation of a magnesium alloy. A Mg-1wt% Mn-1wt% Nd alloy was…”
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Designing ultrahard aluminum nanocomposites by severe mechanochemical processing by Silva, Clênio, Figueiredo, Roberto B., Gonzalez, Berenice M., Montoro, Luciano A., Isaac, Augusta

“…In this study, we deployed a severe mechanochemical approach to produce ultrahard Al–Nb nanocomposites. Two nanocomposites were fabricated by high-pressure…”
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Redox reaction in a Mg/Nb2O5 nanocomposite processed by high-pressure torsion by Caires, Anderson J., Castro, Moara M., Montoro, Luciano A., Isaac, Augusta, Figueiredo, Roberto B.

“…•High pressure torsion is used to consolidate a Mg matrix nanocomposite.•Ultrafine grained structure is formed in the matrix.•Nanoparticles are present within…”
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Evaluation of the conventional and synchrotron X-ray tomography applied to heterogeneous oil reservoir rocks by Ramos, Guilherme José, De Oliveira, Paula Campos, Surmas, Rodrigo, Ferreira, Leandro De Paulo, Markötter, Henning, Kardjilov, Nikolay, Manke, Ingo, Montoro, Luciano Andrey, Isaac, Augusta

“…Carbonate and sandstone reservoirs play an important role in oil industry as they host over 50% of the world’s hydrocarbon reserves. For an accurately…”
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Interface structures in Al-Nb2O5 nanocomposites processed by high-pressure torsion at room temperature by Silva, Clênio, Montoro, Luciano A., Martins, Débora A.A., Machado, Priscila A., Pereira, Pedro Henrique R., Gonzalez, Berenice M., Langdon, Terence G., Figueiredo, Roberto B., Isaac, Augusta

“…Extremely thin Nb2O5 nanowires and Al powder were successfully consolidated at room temperature by using high-pressure torsion (HPT), producing a novel metal…”
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From brittle‐to‐ductile fracture of polymer composites: The incorporation of energy dissipation mechanisms by carbon nanotubes‐based multilayered interface by Fioravante, André, Oliveira, Paula Campos, Siqueira, Eder José, Vitorino, Luísa Sá, Brito, Pedro Paiva, Oréfice, Rodrigo Lambert, Isaac, Augusta

“…Interfaces can have a great influence on the behavior and properties of polymer composites. In this work, the versatile and low‐cost layer‐by‐layer technique…”
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