Search Results - "Rangel, E.C."

Growth Evolution of AZO thin Films Deposited by Magnetron Sputtering at Room Temperature by Ramos, R., Chaves, M., Martins, E., Durrant, Steven F., Rangel, E.C., Silva, T.F. da, Bortoleto, J.R.R.

“…Thin AZO films were grown by RF magnetron sputtering for different deposition times in argon plasmas. Optical, structural, and morphological properties,…”
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Multispecies biofilm onto plasma-treated titanium surface for dental applications by Matos, A.O, Ricomini-Filho, A.P, Beline, T, Ogawa, E.S, Oliveira, B.E.C, Rangel, E.C, Da Cruz, N.C, Sukotjo, C, Mathew, M.T, Barão, V.A.R

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Effect of the fluorination of DLC film on the corrosion protection of aluminum alloy (AA 5052) by Rangel, R.C.C., Souza, M.E.P., Schreiner, W.H., Freire, C.M.A., Rangel, E.C., Cruz, N.C.

“…It is presented a study conducted on the physical and electrochemical properties of fluorinated a-C:H films deposited onto a commercial aluminum alloy (AA…”
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Exploiting the effect of PEO parameters on the surface of AISI 1020 low-carbon steel treated in a TaOH-rich electrolyte by Marcuz, N., Ribeiro, R.P., Rangel, E.C., Cruz, N.C., Possato, L.G., Coan, K.S., Grandini, C.R., Correa, D.R.N.

“…This study used PEO treatment and a TaOH-rich electrolyte to coat AISI 1020 low-carbon steel to enhance its anti-corrosion and wear properties, targeting its…”
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Effect of temperature on thermal oxidation behavior of biomedical Ti-Zr-Mo alloys by Correa, D.R.N., Grandini, C.R., Rocha, L.A., Proença, J.P., Sottovia, L., Cruz, N.C., Rangel, E.C., Hanawa, T.

“…•Thermal oxidation was applied on Ti-15Zr-Mo alloys at distinct temperatures.•Morphology, phase, and chemical composition were affected by oxidation…”
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Bulk and surface design of MAO-treated Ti-15Zr-15Mo-Ag alloys for potential use as biofunctional implants by Torrento, J.E., Grandini, C.R., Sousa, T.S.P., Rocha, L.A., Gonçalves, T.M., Sottovia, L., Rangel, E.C., Cruz, N.C., Correa, D.R.N.

“…[Display omitted] •Ti-15Zr-15Mo were modified by bulk alloying and surface treatment.•Samples exhibited β phase, adequate mechanical properties, and porous…”
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Improvement of thermoplastic elastomer degradation resistance by low-energy plasma immersion ion bombardment by Resende, R.C., Ribeiro, R.P., Waldman, W.R., Cruz, N.C., Araujo, J.R., Rangel, E.C.

“…Thermoplastic elastomers (TPE) have been used instead of traditional elastomers, since they combine the low cost of raw material with easy processing and…”
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A tattoo-inspired electrosynthesized polypyrrole film: crossing the line toward a highly adherent film for biomedical implant applications by Borges, M.H.R., Nagay, B.E., Costa, R.C., Sacramento, C.M., Ruiz, K.G., Landers, R., van den Beucken, J.J.J.P., Fortulan, C.A., Rangel, E.C., da Cruz, N.C., Barão, V.A.R.

“…Polypyrrole (PPy) films have demonstrated promising application for implants due to their unique topographical and electronic properties. However, the limited…”
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Wettability and surface microstructure of polyamide 6 coated with SiOXCYHZ films by Vendemiatti, C., Hosokawa, R.S., Rangel, R.C.C., Bortoleto, J.R.R., Cruz, N.C., Rangel, E.C.

“…Polyamide, PA, is a thermoplastic very used in practical applications once it associates a series of convenient properties. However, its affinity towards water…”
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Plasma-polymerized acetylene nanofilms modified by nitrogen ion implantation by Santos, D.C.R., Mota, R.P., Honda, R.Y., Cruz, N.C., Rangel, E.C.

“…► Nitrogen PIII improved the hardness and elastic modulus of the PP acetylene films. ► Wettability of the films increased right after PIII, but it diminished…”
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Properties of hydrogenated amorphous carbon films deposited by PECVD and modified by SF6 plasma by Marins, N.M.S., Mota, R.P., Honda, R.Y., Nascente, P.A.P., Kayama, M.E., Kostov, K.G., Algatti, M.A., Cruz, N.C., Rangel, E.C.

“…Hydrogenated amorphous carbon (a-C:H) films were grown at room temperature on glass and polished silicon substrates using RF-PECVD (Radio-Frequency Plasma…”
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Effects of ion beam on nanoindentation characteristics of glassy polymeric carbon surface by Rodrigues, M.G., da Cruz, N.C., Rangel, E.C., Zimmerman, R.L., Ila, D., Poker, D.B., Hensley, D.K.

“…Glassy polymeric carbon (GPC) is a useful material for medical applications due to its chemical inertness and biocompatible characteristics. Mitral and aortic…”
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Nanohardness and contact angle of Si wafers implanted with N and C and Al alloy with N by plasma ion implantation by Ueda, M, Lepienski, C.M, Rangel, E.C, Cruz, N.C, Dias, F.G

“…Surfaces of silicon wafers implanted with N and C, respectively, and aluminum 5052 implanted with N alone by plasma immersion ion implantation (PIII) were…”
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Effect of helium implantation on the properties of plasma polymer films by Rangel, E.C., Cruz, N.C., Lepienski, C.M.

“…Polymer films, deposited from acetylene and argon plasma mixtures, were bombarded with 150 keV He + ions, varying the fluence, Φ, from 10 18 to 10 21 ions/m 2…”
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Argon ion implantation inducing modifications in the properties of benzene plasma polymers by Rangel, E.C., Cruz, N.C., Santos, D.C.R., Algatti, M.A., Mota, R.P., Honda, R.Y., Silva, P.A.F., Costa, M.S., Tabacniks, M.H.

“…Benzene plasma polymer films were bombarded with Ar ions by plasma immersion ion implantation. The treatments were performed using argon pressure of 3 Pa and…”
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Nanoindentation mechanical properties characterization of glassy polymeric carbon treated with ion beam by Rodrigues, M.G., da Cruz, N.C., Rangel, E.C., Zimmerman, R.L., Ila, D., Poker, D.B., Hensley, D.K.

“…Phenolic resins when heat treated in inert atmosphere up to 1000 °C become glassy polymeric carbon (GPC), a chemically inert and biocompatible material useful…”
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