Search Results - "Jardim, P.M"

Hydrogen sorption kinetics of ball-milled MgH2–TiO2 based 1D nanomaterials with different morphologies by Jardim, P.M., da Conceição, M.O.T., Brum, M.C., dos Santos, D.S.

“…The main purpose of this work was to compare the addition of two different TiO2 based one dimensional catalysts to verify which one enhances more the hydrogen…”
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Hydrogen sorption kinetics of ball-milled MgH2-TTNT nanotubes with different sodium contents by Jardim, P.M., da Conceição, M.O.T., Brum, M.C., dos Santos, D.S.

“…•Hydrogen sorption kinetics of MgH2+TTNT was investigated at 300 and 350 oC.•The effect of TTNT’s Na content on hydrogen sorption kinetics was evaluated.•This…”
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Composites of recycled nylon 11 and titanium based nanofillers by Medeiros, D.G., Jardim, P.M., de Tatagiba, M.K.V., d'Almeida, J.R.M.

“…Nanocomposites of recycled nylon 11 and titanium based nanofillers were manufactured and their thermal and mechanical behavior analyzed. The nanofillers used…”
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The use of one-dimensional Niobate to improve MgH2 hydrogen sorption by Brum, M.C., da Conceição, M.O.T., Jardim, P.M., dos Santos, D.S.

“…•The 1-D Niobate W and Niobate C catalysts were synthesized.•The composites MgH2+5wt.% catalysts were obtained by 20min of mechanical milling.•The synthesized…”
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Second phase formation in melt-spun Mg–Ca–Zn alloys by Jardim, P.M, Solórzano, G, Sande, J.B.Vander

“…Three ternary alloys based on the Mg–Ca–Zn system were produced by melt spinning in the form of ribbons. The alloys were analyzed by X-Ray diffraction (XRD),…”
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Negative thermal expansion in hydrated HZSM-5 orthorhombic zeolite by Marinkovic, B.A., Jardim, P.M., Saavedra, A., Lau, L.Y., Baehtz, C., de Avillez, R.R., Rizzo, F.

“…Orthorhombic HZSM-5 zeolite, in hydrated form and with the silica/alumina molar ratio of 30, exhibits a complex thermal expansion behavior over the temperature…”
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Young׳s modulus, hardness and thermal expansion of sintered Al2W3O12 with different porosity fractions by Jardim, P.M., Garcia, E.S., Marinkovic, B.A.

“…Owing to their unusual thermal expansion properties ceramic phases from A2M3O12 family have potential for applications as thermal expansion controlling fillers…”
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Hydrogen sorption kinetics of ball-milled MgH 2 –TiO 2 based 1D nanomaterials with different morphologies by Jardim, P.M., da Conceição, M.O.T., Brum, M.C., dos Santos, D.S.

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The influence of Y-TZP surface treatment on topography and ceramic/resin cement interfacial fracture toughness by Paes, P.N.G., Bastian, F.L., Jardim, P.M.

“…[Display omitted] •C(T) shows be a reliable indicator of the zirconia/cement bond quality.•Ra, Rsk and area variation were evaluated by AFM.•Weibull analysis…”
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Characterization and phase transitions of (Bi,Pb)2Sr2Ca2Cu3Ox–Ag composite powder obtained by spray pyrolysis by Marinkovic, B.A., Jardim, P.M., Rizzo, F., Mancic, L., Milosevic, O.

“…(Bi,Pb)2Sr2Ca2Cu3Ox–Ag (BPSCCO/Ag) composite precursor powder was prepared by spray pyrolysis. The as-prepared and thermally treated (750 °C (1 h) and 780 °C…”
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Thermal expansion of Cr2xFe2-2xMo3O12, Al2xFe2-2xMo3O12 and Al2xCr2-2xMo3O12 solid solutions by ARI, M, JARDIM, P. M, MARINKOVIC, B. A, RIZZO, F, FERREIRA, F. F

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Negative thermal expansion in Y2Mo3O12 by MARINKOVIC, B. A, JARDIM, P. M, DE AVILLEZ, R. R, RIZZO, F

“…The crystal structure of Y2Mo3O12 was refined by the Rietveld method for 130 deg C as orthorhombic with space group Pbcn (No. 60). It is isostructural to…”
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Thermal expansion of Cr{sub 2x}Fe{sub 2-2x}Mo{sub 3}O{sub 12}, Al{sub 2x}Fe{sub 2-2x}Mo{sub 3}O{sub 12} and Al{sub 2x}Cr{sub 2-2x}Mo{sub 3}O{sub 12} solid solutions by Ari, M., Jardim, P.M., Marinkovic, B.A., Rizzo, F., Ferreira, F.F.

“…The transition temperature from monoclinic to orthorhombic and the thermal expansion of the orthorhombic phase were investigated for three systems of the…”
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Thermal expansion of Cr 2 x Fe 2−2 x Mo 3O 12, Al 2 x Fe 2−2 x Mo 3O 12 and Al 2 x Cr 2−2 x Mo 3O 12 solid solutions by Ari, M., Jardim, P.M., Marinkovic, B.A., Rizzo, F., Ferreira, F.F.

“…The transition temperature from monoclinic to orthorhombic and the thermal expansion of the orthorhombic phase were investigated for three systems of the…”
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Hydrothermal synthesis of Na x Fe x Ti 2− x O 4 from natural ilmenite sand: A CaFe 2O 4 structure type compound by Marinkovic, B.A., Mancic, L., Jardim, P.M., Milosevic, O., Rizzo, F.

“…Na x Fe x Ti 2− x O 4 a compound from the CaFe 2O 4 structure type group, was obtained via hydrothermal route at a temperature lower than 200   ∘C for the…”
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Complex thermal expansion properties of Al-containing HZSM-5 zeolite: A X-ray diffraction, neutron diffraction and thermogravimetry study by Marinkovic, B.A., Jardim, P.M., Rizzo, F., Saavedra, A., Lau, L.Y., Suard, E.

“…Thermal expansion of re-hydrated, Al-containing HZSM-5 was studied by different diffraction techniques, as well as, through thermogravimetry. It is concluded…”
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Hydrothermal synthesis of NaxFexTi2-xO4 from natural ilmenite sand : A CaFe2O4 structure type compound by MARINKOVIC, B. A, MANCIC, L, JARDIM, P. M, MILOSEVIC, O, RIZZO, F

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Hydrothermal synthesis, crystal structure and thermal stability of Ba-titanate nanotubes with layered crystal structure by Marinkovic, B.A., Jardim, P.M., Morgado, E., de Abreu, M.A.S., Moure, G.T., Rizzo, F.

“…BaTi 3O 7· nH 2O nanotubes have been synthesized through a hydrothermal reaction between Na-rich trititanate nanotubes and Ba(OH) 2 within the pH range 12–8.2…”
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Characterization and phase transitions of (Bi,Pb) 2Sr 2Ca 2Cu 3O x –Ag composite powder obtained by spray pyrolysis by Marinkovic, B.A., Jardim, P.M., Rizzo, F., Mancic, L., Milosevic, O.

“…(Bi,Pb) 2Sr 2Ca 2Cu 3O x –Ag (BPSCCO/Ag) composite precursor powder was prepared by spray pyrolysis. The as-prepared and thermally treated (750 °C (1 h) and…”
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Sintering of nanoparticles of α-Fe2O3 using gelatin by de Menezes, A.S., Remédios, C.M.R., Sasaki, J.M., da Silva, L.R.D., Góes, J.C., Jardim, P.M., Miranda, M.A.R.

“…We have demonstrated in this work that single phase of α-Fe2O3 nanoparticle can be prepared using gelatin. It was characterized by X-ray powder diffraction…”
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