Search Results - "Kiminami, C. S."

Microstructure evolution and mechanical properties of Al–Zn–Mg–Cu alloy reprocessed by spray-forming and heat treated at peak aged condition by Mazzer, E.M., Afonso, C.R.M., Galano, M., Kiminami, C.S., Bolfarini, C.

“…•We evaluated the influence of the spray forming in the microstructure.•Refined microstructure with low level of segregation was obtained.•It were provided…”
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Formation of Fe-based glassy matrix composite coatings by laser processing by Gargarella, P., Almeida, A., R.Vilar, Afonso, C.R.M., Peripolli, S., Rios, C.T., Bolfarini, C., Botta, W.J., Kiminami, C.S.

“…Coatings of a Fe43.2Co28.8B19.2Nb4Si4.8 alloy on AISI 1020 steel substrates were produced by laser cladding. By properly selecting the processing parameters…”
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Corrosion properties of Fe–Cr–Nb–B amorphous alloys and coatings by Koga, G.Y., Nogueira, R.P., Roche, V., Yavari, A.R., Melle, A.K., Gallego, J., Bolfarini, C., Kiminami, C.S., Botta, W.J.

“…In the present work, we report on the corrosion properties of the Fe60Cr8Nb8B24 (at.%) alloy produced using pure and commercial materials in the following…”
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The role of yttrium and oxygen on the crystallization behavior of a Cu–Zr–Al metallic glass by Coury, F.G., Botta, W.J., Bolfarini, C., Kiminami, C.S., Kaufman, M.J.

“…The crystallization behavior of Cu–Zr–Al alloys with different contents of oxygen and yttrium was studied. Three compositions were chosen based on the good…”
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Partial crystallization and corrosion resistance of amorphous Fe-Cr-M-B (M = Mo, Nb) alloys by Kiminami, C.S., Souza, C.A.C., Bonavina, L.F., de Andrade Lima, L.R.P., Suriñach, S., Baró, M.D., Bolfarini, C., Botta, W.J.

“…The present paper evaluates the corrosion resistance of four new amorphous Fe-Cr-based alloys containing Mo or Nb, as well as their thermal stability and the…”
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Corrosion resistance of Fe-Cr-based amorphous alloys: An overview by Souza, C.A.C., Ribeiro, D.V., Kiminami, C.S.

“…The present article focuses on the current status of research and development concerning corrosion resistance of Fe-Cr-based amorphous alloys and gives…”
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Microstructure and mechanical properties of Al–Si–Mg ribbons by Triveño Rios, C., Peres, M.M., Bolfarini, C., Botta, W.J., Kiminami, C.S.

“…In this study, the effect of the microstructural characteristics on the mechanical properties of rapidly solidified A359-type alloy was analyzed. As a result…”
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Crystallisation behaviours of Al-based metallic glasses: Compositional and topological aspects by Botta, W.J., Rios, C. Triveño, Sá Lisboa, R.D., de Andrade, A.R., de Oliveira, M.F., Bolfarini, C., Kiminami, C.S.

“…The different types of thermal crystallisation behaviours observed during continuous heating of Al-based metallic glasses have been successfully associated…”
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Crystallisation behaviour and glass-forming ability in Al–La–Ni system by Gargarella, P., Kiminami, C.S., de Oliveira, M.F., Bolfarini, C., Botta, W.J.

“…The crystallisation behaviour for alloys in the Al-rich corner in the Al–La–Ni system is reported in this paper. Alloys were selected based on the topological…”
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Topological instability as a criterion for design and selection of aluminum-based glass-former alloys by Sá Lisboa, R. D., Bolfarini, C., Botta F., W. J., Kiminami, C. S.

“…This letter proposes a criterion to quantitatively correlate chemical composition with crystallization behaviors of Al-based glass-former alloys. By extending…”
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Processing of Al matrix composites reinforced with Al-Ni compounds and Al2O3 by reactive milling and reactive sintering by FOGAGNOLO, J. B, PALLONE, E. M. J. A, MARTIN, D. R, KIMINAMI, C. S, BOLFARINI, C, BOTTA, W. J

“…Aluminum matrix composites reinforced with Al-Ni intermetallic compounds and Al2O3 were obtained by hot pressing of high-energy milled powders. Using the…”
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Mechanical behavior under nanoindentation of a new Ni-based glassy alloy produced by melt-spinning and copper mold casting by Santos, F.S., Sort, J., Fornell, J., Baró, M.D., Suriñach, S., Bolfarini, C., Botta, W.J., Kiminami, C.S.

“…An investigation was made into the thermal stability and mechanical behavior under nanoindentation of a new glassy alloy with composition Ni 50Nb 28Zr 22,…”
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Topological Instability as a Criterion for Design and Selection of Easy Glass-Former Compositions in Cu-Zr Based Systems by Kiminami, C. S., Lisboa, R. D. Sá, Oliveira, M. F. de, Bolfarini, C., Botta, W. J.

“…In the present work we propose a new approach for predicting the best glass-former composition(s) in multi-component metallic glasses. By applying the λ…”
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Sliding wear of spray-formed high-chromium white cast iron alloys by Matsuo, T.T., Kiminami, C.S., Fo, W.J. Botta, Bolfarini, C.

“…The sliding wear resistance of high-chromium white cast iron obtained by spray-forming was studied to determine how the refined microstructures produced by…”
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Topological instability and electronegativity effects on the glass-forming ability of metallic alloys by Botta, W. J., Pereira, F. S., Bolfarini, C., Kiminami, C. S., de Oliveira, M. F.

“…The glass-forming ability (GFA) of metallic alloys is associated with a topological instability criterion combined with a new parameter based on the average…”
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Evaluation of glass forming ability in the Ni–Nb–Zr alloy system by the topological instability ( λ) criterion by Santos, F.S., Kiminami, C.S., Bolfarini, C., de Oliveira, M.F., Botta, W.J.

“…Ni-based bulk metallic glasses (BMGs) usually exhibit high thermal stability, excellent mechanical properties, and superior corrosion resistance. Glass forming…”
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Glass formation of alloys selected by lambda and electronegativity criteria in the Ti–Zr–Fe–Co system by de Oliveira, M.F., Pereira, F.S., Ramasco, B.T., Kiminami, C.S., Botta, W.J., Bolfarini, C.

“…This work evaluates the glass formation of selected alloys based on the Ti–Zr–Fe–Co system, assuming the synergy of two distinct criteria: minimum topological…”
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Spray forming of glass former Fe63Nb10Al4Si3B20 alloy by AFONSO, C. R. M, BOLFARINI, C, BOTTA, W. J, KIMINAMI, C. S

“…In this study the Fe63Nb10Al4Si3B20 (at.%) alloy was processed by spray forming with the aim of investigate the formation of amorphous phases and novel…”
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Reassessment of the effects of Ce on quasicrystal formation and microstructural evolution in rapidly solidified Al–Mn alloys by Coury, F.G., Botta, W.J., Bolfarini, C., Kiminami, C.S., Kaufman, M.J.

“…[Display omitted] Rapidly solidified Al–Mn–Ce alloys have been reported to exhibit desirable properties due to the uniform distribution of quasicrystalline…”
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Effect of Dislocation Mechanisms during Extrusion of Nanostructured Aluminum Powder Alloy by Jorge, A. M., Peres, M. M., Kiminami, C. S., Bolfarini, C., Botta, W. J.

“…Nanostructured Al-3.0Fe-0.42Cu-0.37Mn powder alloy was deformed by extrusion over a temperature range of 375 °C to 425 °C, a ram speed range of 1 to 30 mm/s,…”
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