cnunes@usp.br
+55 12 3159 9912
Áreas de pesquisa:
Diagrama de Fases,
Metais Refratários,
Superligas à Base de Níquel,
Titânio e ligas,
Nióbio e ligas,
Intermetálicos,
Magnésio e ligas.
Info:
Professor Titular da Universidade de São Paulo (USP). Possui graduação em Engenharia Metalúrgica pela Universidade Federal de Ouro Preto (1988), mestrado em Engenharia Mecânica pela Universidade Estadual de Campinas (UNICAMP, 1991), doutorado em Engenharia Mecânica pela Universidade Estadual de Campinas (UNICAMP,1997) sendo o trabalho experimental de doutorado realizado na University of Wisconsin-Madison (EUA) entre 08/1994 e 09/1996. Realizou pós-doutorado na Technische Universitat Wien (Viena, Áustria). Professor Livre-Docente pela Escola de Engenharia de São Carlos da USP. Realizou estàgio sênior em ONERA ( Le centre français de recherche aérospatiale), trabalhando no desenvolvimento de ligas de nióbio para turbinas aeronàuticas. Atualmente é Professor da Escola de Engenharia de Lorena da Universidade de São Paulo (USP). Tem experiência na área de Engenharia de Materiais e Metalúrgica, com ênfase em Transformação de Fases, atuando principalmente nos seguintes temas: diagrama de fases, intermetálicos, ligas de metais refratários (Nb, Ta, Mo, W, Re), solidificação, superligas.
Publicações Recentes
2024
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Pinto da Silva, A.A.A., Ferreira, P.P., Dorini, T.T., Coelho, G.C., Nunes, C.A., & Eleno, L.T.F. (2024) Thermodynamic assessment of the Ta–Ge system supported
by ab initio calculations. Calphad, 84, 102669.
DOI: 10.1016/j.calphad.2024.102669
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Matos da Silva Costa, A., Machado Alves da Fonseca, F., Chaia, N., Baldan, R., Mellier, D., Faria, M.I.S.T., Cormier, J., & Nunes, C.A. (2024) B1914 Ni-Based Superalloy Properties After Solution Heat
Treatment and Long-Term Exposure at High Temperature. Journal of Materials Engineering and Performance, DOI: 10.1007/s11665-024-10456-z.
DOI: 10.1007/s11665-024-10456-z
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Cossu, C.M.F.A., Freitas, H.R.de, Conceição, M.O.T.da, Rodrigues, L.A., Berton, M.A.C., & Nunes, C.A. (2024) Production and Characterization of Pb-Carbon Composite for
Manufacturing Metal Grids Applied in Lead-Acid Batteries. Materials Research, 27.
DOI: 10.1590/1980-5373-mr-2024-0001
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Borowski, K.E., de Melo Silveira, V., Chaia, N., Wang, C., Zhao, J.-C., Nunes, C.A., & Coelho, G.C. (2024) Diffusion coefficients and atomic mobilities in the BCC
phase of the Al–Nb–V system. Calphad, 85, 102699.
DOI: 10.1016/j.calphad.2024.102699
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Barros, D.F., Nabil, C., Santos, J.C.P.dos, Abreu, D.A., Barros, C.S., Silveira, V.M., Nunes, C.A., & Coelho, G.C. (2024) Liquidus projection of the Al–V–Zr system. Calphad, 84, 102663.
DOI: 10.1016/j.calphad.2024.102663
2023
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de Abreu, D.A., Barros, D.F., Santos, J.C.P., Borowski, K.E., Silva, A.A.A.P.da, Chaia, N., Nunes, C.A., & Coelho, G.C. (2023) Liquidus Projection of the Al-Ta-V System. Journal of Phase Equilibria and Diffusion, 44, 137–149.
DOI: 10.1007/s11669-023-01026-2
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Fiorani, J.M., Badran, M., Joubert, J.M., Crivello, J.C., da Silva, A.A.A.P., Coelho, G.C., Nunes, C.A., David, N., & Vilasi, M. (2023) New approach to the compound energy formalism (NACEF) Part
II. Thermodynamic modelling of the Al–Nb system supported
by first-principles calculations. Calphad, 80, 102522.
DOI: 10.1016/j.calphad.2022.102522
2022
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Zaidan, D.W., de Freitas, B.X., Coelho, G.C., Nunes, C.A., dos Santos, C., Ramos, E.C.T., & Ramos, A.S. (2022) The 1300 °C Isothermal Section in the Al2O3-Y2O3-Nb2O5
System. Journal of Phase Equilibria and Diffusion, 43, 393–400.
DOI: 10.1007/s11669-022-00973-6
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Moraes, J.M., Chaia, N., Cotton, J.D., Coelho, G.C., & Nunes, C.A. (2022) A multi-principal element alloy combining high specific
strength and good ductility. Materials Letters, 325, 132905.
DOI: 10.1016/j.matlet.2022.132905
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Goulart, F.F., Ribeiro, A.A., Way, D.V., Alves, L.de S., Nunes, C.A., Ferreira, L.M., & Balestra, R.M. (2022) Study of the influence of titanium and niobium particle
size on the Ti35Nb alloy production with controlled
porosity. Matéria (Rio de Janeiro), 27.
DOI: 10.1590/1517-7076-rmat-2022-0072
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Ferreira, L.M., Chaia, N., Coelho, G.C., & Nunes, C.A. (2022) Oxidation behavior of STA β-21S alloy and variants
[Ti-xNb-yMo-5.6Al-0.5Si at%; x + y = 9.5]. Corrosion Science, 203, 110342.
DOI: 10.1016/j.corsci.2022.110342
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Costa, A.M.S., Oliveira, J.P., Escobar, J.D., Salvador, C.A.F., Monteiro, M.J., Poplawsky, J.D., Nunes, C.A., Ramirez, A.J., & Tschiptschin, A.P. (2022) On the effect of elemental partitioning to secondary
phases after solution and aging heat treatments in a
Co-Ni-based superalloy. Materials Letters, 309, 131377.
DOI: 10.1016/j.matlet.2021.131377
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Borborema, S., de Holanda Ferrer, V., Rocha, A.da C., Cossú, C.M.F.A., Nunes, A.R.V., Nunes, C.A., Malet, L., & de Almeida, L.H. (2022) Influence of Nb Addition on α″ and ω Phase Stability
and on Mechanical Properties in the Ti-12Mo-xNb
Stoichiometric System. Metals, 12, 1508.
DOI: 10.3390/met12091508
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Barros, D.F., Santos, J.C.P., Abreu, D.A., Silva, A.A.A.P., Borowski, K.E., Chaia, N., Nunes, C.A., & Coelho, G.C. (2022) Liquidus projection of the Al-Cr-V system. Journal of Alloys and Compounds, 899, 163258.
DOI: 10.1016/j.jallcom.2021.163258
2021
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dos Santos, J.C.P., da Silva, A.A.A.P., Ferreira, P.P., Dorini, T.T., de Barros, D.F., de Abreu, D.A., Eleno, L.T.F., Nunes, C.A., & Coelho, G.C. (2021) Thermodynamic modeling of the
Al–Nb–V system. Calphad, 74, 102321.
DOI: 10.1016/j.calphad.2021.102321
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de Freitas, B.X., Antonini, L.A., Cury, P.L.C.T., da Silva, V.L.F., Chaia, N., Tomachuk, C.R., Mathieu, S., Coelho, G.C., dos Santos, C., & Nunes, C.A. (2021) Microstructural Evolution and Electrochemical Behavior of
Solution Treated, Hot Rolled and Aged MgDyZnZr Alloy. Metals, 11, 1855.
DOI: 10.3390/met11111855
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Silva, A.A.A.P., Lamoglia, M.S., Silva, G., Fiorani, J.-M., David, N., Vilasi, M., Coelho, G.C., Nunes, C.A., & Eleno, L.T.F. (2021) Heat capacity measurements of the Fe2Nb and Fe7Nb6
intermetallic compounds. Journal of Alloys and Compounds, 878, 160411.
DOI: 10.1016/j.jallcom.2021.160411
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Salgado, M.V.S., Chaia, N., Silva, A.L.C.R., Freitas, B.X., Costa, A.M.S., Coelho, G.C., & Nunes, C.A. (2021) High-Temperature Oxidation Behavior of High-Aluminum
(Co,Ni)-Based Superalloys for Friction Stir Welding (FSW)
Tools. Oxidation of Metals, 95, 203–220.
DOI: 10.1007/s11085-020-10013-8
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Lourenço, J.C., Souza, L.P., Faria, M.I.S.T., Nunes, C.A., Tomachuk, C.R., & Baker, M.A. (2021) Influence of the iron content on the microstructure and
electrochemical behavior of as-cast modified Inconel 625. Corrosion Science, 193, 109892.
DOI: 10.1016/j.corsci.2021.109892
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Lourenc\co, J.C., and L.P Souza, Silva, G., Suzuki, P.A., Robin, A.L.M., Nunes, C.A., & Tomachuk, C.R. (2021) Effects of Solidification, Rotary Swaging and
Recrystallization on the Microstructure, Crystallographic
Orientation and Electrochemical Behavior of an Al-4.5
wt.% Cu Alloy. International Journal of Electrochemical Science, ArticleID:211054.
DOI: 10.20964/2021.10.43
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Gonsalves, T.C., de Freitas, B.X., Nunes, C.A., & Florenzano, F.H. (2021) Reduction of Magnesium Corrosion Rate by PMMA-co-PMAA
Films. Materials Research, 24.
DOI: 10.1590/1980-5373-mr-2020-0361
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Glória, R.F., Chaia, N., da Cruz, A.W., Alckmin, L.B., Nunes, C.A., & Rodrigues, G. (2021) Aluminide coating on Mar-M246 nickel superalloy by halide
activated pack cementation (HAPC). Surface and Coatings Technology, 411, 126999.
DOI: 10.1016/j.surfcoat.2021.126999
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Dorini, T.T., de Freitas, B.X., Ferreira, P.P., Chaia, N., Suzuki, P.A., Joubert, J.-M., Nunes, C.A., Coelho, G.C., & Eleno, L.T.F. (2021) T2 phase site occupancies in the
Cr–Si–B system: a combined
synchroton-XRD/first-principles study. Scripta Materialia, 199, 113854.
DOI: 10.1016/j.scriptamat.2021.113854
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Alkmin, L.B., Utada, S., Chaia, N., Reis, D.A., Coelho, G.C., Cormier, J., & Nunes, C.A. (2021) Creep behavior of conventional and Nb-modified as-cast
MAR-M246 superalloy. Materials Science and Engineering: A, 813, 141170.
DOI: 10.1016/j.msea.2021.141170
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Alkmin, L.B., Chaia, N., Utada, S., Cormier, J., Baldan, R., Coelho, G., & Nunes, C.A. (2021) High Temperature Oxidation Behavior of Conventional and
Nb-Modified MAR-M246 Ni-Based Superalloy. Metallurgical and Materials Transactions A, 52, 2589–2600.
DOI: 10.1007/s11661-021-06252-2
2020
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dos Santos, C., Habibe, A.F., Simba, B.G., Lins Jefferson Fabrı́cio Cardoso, de Freitas, B.X., & Nunes, C.A. (2020) CoCrMo-base Alloys for Dental Applications Obtained by
Selective laser melting (SLM) and CAD/CAM Milling. Materials Research, 23.
DOI: 10.1590/1980-5373-mr-2019-0599
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de Oliveira Fiorin, B., Holland, T., Ferreira, L.M., de Sousa Lucı́ola Lucena, Mariano, N.A., Nunes, C.A., Filgueira, M., & Ramos, A.S. (2020) Spark plasma sintering of Ti6Si2B-based Ti-Si-B alloys and
their corrosion resistance in artificial saliva and SBF
media. Materials Today Communications, 22, 100767.
DOI: 10.1016/j.mtcomm.2019.100767
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da Silva Salgado, M.V., de Freitas, B.X., da Silva Costa, A.M., Pereira, V.F., Chaia, N., Faria, M.I.S.T., Coelho, G.C., & Nunes, C.A. (2020) Processing and characterization of high aluminum
multicomponent (Co,Ni)-based superalloys for friction stir
welding (FSW) tools. Materials Today Communications, 25, 101282.
DOI: 10.1016/j.mtcomm.2020.101282
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Santos, J.C.P., Chaia, N., Borowski, K.E., da Silva, A.A.A.P., Barros, D.F., Abreu, D.A., Nunes, C.A., & Coelho, G.C. (2020) Liquidus projection of the Al–Nb–V
system. Calphad, 71, 102196.
DOI: 10.1016/j.calphad.2020.102196
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Santos, J.C.P., Chaia, N., Borowski, K.E., Silva, A.A.A.P., Barros, D.F., Abreu, D.A., Nunes, C.A., & Coelho, G.C. (2020) Experimental Investigation of Phase Equilibria at
1200 \textdegreeC in the Al-Nb-V System. Journal of Phase Equilibria and Diffusion, 41, 172–180.
DOI: 10.1007/s11669-020-00802-8
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Junior, L.A.B., da Silva, A.A.A.P., Coelho, G.C., & Nunes, C.A. (2020) Liquidus Projection of the Zr-Si-B Ternary System. Journal of Phase Equilibria and Diffusion, 41, 123–131.
DOI: 10.1007/s11669-020-00787-4
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Gigolotti, J.C.J., da Silva, A.A.A.P., Coelho, G.C., Nunes, C.A., & Joubert, J.-M. (2020) Experimental Study of the Cr-Hf-Nb System: Liquidus
Projection and 1200 \textdegreeC Isothermal Section. Journal of Phase Equilibria and Diffusion, 41, 702–721.
DOI: 10.1007/s11669-020-00838-w
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Costa, J.P.G.A., Barboza, M.J.R., Goldenstein, H., da Costa e Silva, A.L.V., & Nunes, C.A. (2020) Borocarbide coarsening and the effect of borocarbide
particle size on Charpy V-notch impact properties of
medium-carbon boron-containing steel. International Journal of Materials Research, 111, 833–841.
DOI: 10.3139/146.111952
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Chaia, N., Cury, P.L., Rodrigues, G., Coelho, G.C., & Nunes, C.A. (2020) Aluminide and silicide diffusion coatings by pack
cementation for Nb-Ti-Al alloy. Surface and Coatings Technology, 389, 125675.
DOI: 10.1016/j.surfcoat.2020.125675
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Chaia, N., Cossu, C.M., Parrisch, C.J., Cotton, J.D., Coelho, G.C., & Nunes, C.A. (2020) Growth Kinetics of TiAl3 Diffusion Coating by Pack
Cementation on Beta 21-S. Journal of Phase Equilibria and Diffusion, 41, 181–190.
DOI: 10.1007/s11669-020-00819-z
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Abreu, D.A., Silva, A.A.A.P., Santos, J.C.P., Barros, D.F., Barros, C.S., Chaia, N., Nunes, C.A., & Coelho, G.C. (2020) Liquidus projection of the
Al–Ti–Zr system. Journal of Alloys and Compounds, 849, 156463.
DOI: 10.1016/j.jallcom.2020.156463