Search Results - "Hein, L.R.O"

Non-thermal atmospheric pressure plasma jet applied to inactivation of different microorganisms by Nishime, T.M.C., Borges, A.C., Koga-Ito, C.Y., Machida, M., Hein, L.R.O., Kostov, K.G.

“…Non-thermal atmospheric pressure plasma jets (APPJs) are capable of generating cold plasma plumes that are not confined by electrodes, which makes them very…”
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Surface modification of polymeric materials by cold atmospheric plasma jet by Kostov, K.G., Nishime, T.M.C., Castro, A.H.R., Toth, A., Hein, L.R.O.

“…•We investigate polymer surface modification by atmospheric pressure plasma jet APPJ.•Jet operation conditions for uniform surface modification were…”
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Study of polypropylene surface modification by air dielectric barrier discharge operated at two different frequencies by Kostov, K.G., Nishime, T.M.C., Hein, L.R.O., Toth, A.

“…In this work, air dielectric barrier discharge (DBD) operating at the line frequency (60Hz) or at frequency of 17kHz was used to improve the wetting properties…”
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An image processing method for morphology characterization and pitting corrosion evaluation by Codaro, E.N, Nakazato, R.Z, Horovistiz, A.L, Ribeiro, L.M.F, Ribeiro, R.B, Hein, L.R.O

“…A digital image processing and analysis method has been developed to classify shape and evaluate size and morphology parameters of corrosion pits. This method…”
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Effect of cold plasma treatment on mechanical properties of PET/PMMA composites by Cioffi, M.O.H., Voorwald, H.J.C., Hein, L.R.O., Ambrosio, L.

“…Mechanical strength of polyethylene terephthalate (PET) fibres and polymethyl methacrylate (PMMA) matrix composites were studied with particular interest on…”
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Fractal analysis along stretch zone for an aluminum alloy by Horovistiz, A.L., Hein, L.R.O.

“…The topography of fracture surface along stretch zone front for Al7050 is analyzed about its fractal behavior and compared against local distributions of…”
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Tunable capacitor-varistor response of CaCu3Ti4O12/CaTiO3 ceramic composites with SnO2 addition by Cotrim, G., Cortés, J.A., Moreno, H., Freitas, S.M., Rezende, M.V.S., Hein, L.R.O., Ramírez, M.A.

“…CaCu3Ti4O12/CaTiO3 (CCTO/CTO) composites with additions of x% SnO2 (x = 0, 1, 2, and 5%) were prepared using the low cost, nontoxic, and simple solid-state…”
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Sistema de baixo custo para nucleação de pré-trincas por fadiga em corpos de prova de tenacidade à fratura by Guimarães, V.A., Hein, L.R.O., Zangrandi Filho, J.

“…Fracture toughness testing becomes a very important parameter for mechanical design and maintenance of parts and structures. This work presents the design and…”
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Nonisothermal crystallization kinetic study and thermal stability of multiwalled carbon nanotube reinforced poly(phenylene sulfide) composites by Ribeiro, B., Hein, L.R.O., Costa, M.L., Pötschke, P., Burkhart, T., Botelho, E.C.

“…The aim of this work is obtain multiwalled carbon nanotube reinforced poly(phenylene sulfide) (PPS) nanostructured composites by melt mixing technique and…”
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Influence of chromate, molybdate and tungstate on pit formation in chloride medium by Silva, J.W.J., Codaro, E.N., Nakazato, R.Z., Hein, L.R.O.

“…It has been characterized and evaluated the 2024-T351 and 7050-T7451 aluminum alloys pitting corrosion in naturally aerated chloride aqueous solutions…”
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Morphological analysis of pits formed on Al 2024-T3 in chloride aqueous solution by Silva, J.W.J, Bustamante, A.G, Codaro, E.N, Nakazato, R.Z, Hein, L.R.O

“…It has been used a new image analysis method, based on segmentation by shape parameters, for pits morphology examination from Al 2024 aluminum–copper alloy in…”
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An image analysis study of pit formation on Ti–6Al–4V by Codaro, E.N, Nakazato, R.Z, Horovistiz, A.L, Ribeiro, L.M.F, Ribeiro, R.B, Hein, L.R.O

“…Metallographic techniques and digital image processing have been used to investigate heat-treated Ti–6Al–4V pitting corrosion, often used as aircraft…”
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Comparison of fracture surface and plane section analysis for ceramic grain size characterisation by Horovistiz, A.L., Frade, J.R., Hein, L.R.O.

“…A method has been developed to obtain quantitative information about grain size and shape from fractured surfaces of ceramic materials. One elaborated a…”
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Análise morfológica da corrosão por pites em aço inoxidável austenítico AISI 310S submetido à exposição em névoa salina by Ribeiro, R.B., Codaro, E.N., Hein, L.R.O., Rosa, J.L., Mariotto, S.F.F., Meraz, E.A.

“…O artigo teve como objetivo estudar a evolução do crescimento, distribuição e classificação dos pites em aços inoxidáveis austeníticos AISI 310S no estado como…”
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An image processing method for morphology characterization and pitting corrosion evaluation by Codaro, E N, Nakazato, R Z, Horovistiz, A L, Ribeiro, L.M.F., Ribeiro, R B, Hein, L.R.O.

“…A digital image processing and analysis method has been developed to classify shape and evaluate size and morphology parameters of corrosion pits. This method…”
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Análise morfológica da corrosão por pites em aço inoxidável austenítico AISI 310S submetido à exposição em névoa salina by Ribeiro, R.B., Codaro, E.N., Hein, L.R.O., Rosa, J.L., Mariotto, S.F.F., Meraz, E.A.

“…O artigo teve como objetivo estudar a evolução do crescimento, distribuição e classificação dos pites em aços inoxidáveis austeníticos AISI 310S no estado como…”
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Sistema de baixo custo para nucleação de pré-trincas por fadiga em corpos de prova de tenacidade à fratura by Guimarães, V.A., Hein, L.R.O., Zangrandi Filho, J.

Get full text