cnunes@usp.br
+55 12 3159 9912
Research interests:
Phases diagram,
Refractory Metals,
Nickel-based Superalloys,
Titanium and alloys,
Niobium and alloys,
Intermetallics,
Magnesium and alloys.
Info:
Full Professor at the University of São Paulo (USP). He holds a degree in Metallurgical Engineering from the Federal University of Ouro Preto (1988), a Master’s degree in Mechanical Engineering from the State University of Campinas (UNICAMP, 1991), a PhD in Mechanical Engineering from the State University of Campinas (UNICAMP, 1997) / University of Wisconsin-Madison (USA) between 08/1994 and 09/1996. He has a postdoctoral degree from the Technische Universitat Wien (Vienna, Austria). . Senior internship at ONERA (Le center français de recherche aérospatiale), working on the development of niobium alloys for aeronautical turbines. Experience in the area of Materials Engineering and Metallurgy, with emphasis on Phase Transformation, working mainly on the following topics: phase diagram, intermetallics, refractory metal alloys (Nb, Ta, Mo, W, Re), solidification, superalloys.
Recent Publications
2022
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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
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
2019
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de Souza, M.A., de Oliveira Fiorin, B., Hashimoto, T.M., Rosifini, A.P., Nunes, C.A., Baptista, C.A.R.P., & Ramos, A.S. (2019) Influence of Niobium or Molybdenum Addition on
Microstructure and Tensile Properties of Nickel-Chromium
Alloys. Metals, 9, 589.
DOI: 10.3390/met9050589
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de Freitas, B.X., Nunes, C.A., & dos Santos, C. (2019) Sintering behaviour of Co-28%Cr-6%Mo compacted
blocks for dental prosthesis. Journal of Materials Research and Technology, 8, 2052–2062.
DOI: 10.1016/j.jmrt.2018.12.020
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de Freitas, B.X., Dorini, T.T., Coelho, G.C., Nunes, C.A., & Eleno, L.T.F. (2019) Thermodynamic assessment of the RE–Zn (RE
= Dy, Er, Ho, Tb) binaries as a starting step for a
Mg–Zn–Zr–Rare earth
multicomponent database. Calphad, 67, 101676.
DOI: 10.1016/j.calphad.2019.101676
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de Almeida, L.F.C.B., Lourenco, J.C., Faria, M.I.S.T., Vieira, D.L., Robin, A.L.M., & Nunes, C.A. (2019) Vibratory Stress Relief and Vibratory Weld Conditioning of
Flux cored arc welded CA6NM steel. Journal of Materials Science Research, 9, 32.
DOI: 10.5539/jmsr.v9n1p32
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da Silva, A.A.A.P., Coelho, G.C., Nunes, C.A., Fiorani, J.M., David, N., & Vilasi, M. (2019) Nb-Al Binary System: Reevaluation of the Solubility Limits
of the (Nb), Nb3Al, Nb2Al and NbAl3 Phases at High
Temperatures. Materials Research, 22.
DOI: 10.1590/1980-5373-mr-2019-0305
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Ferreira, N.D., Neto, R.M.L., Filgueira, M., Ferreira, L.M., Alves, M.F.R.P., Ramos, E.C.T., Nunes, C.A., dos Santos, C., & Ramos, A.S. (2019) Microstructure and Vickers hardness of mechanically
alloyed and spark plasma sintered Ti-2Zn-22Si-11B and
Ti-6Zn-22Si-11B alloys. Journal of Alloys and Compounds, 794, 615–624.
DOI: 10.1016/j.jallcom.2019.04.172
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Costa, A.M.S., Lopes, E.S.N., Contieri, R.J., Caram, R., Baldan, R., Fuchs, G.E., & Nunes, C.A. (2019) Microstructural and Mechanical Characterization of
Directionally Solidified Conventional and Nb-Modified
Mar-M247 Superalloy. Journal of Materials Engineering and Performance, 28, 2427–2438.
DOI: 10.1007/s11665-019-04014-1
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Cossú, C.M.F.A., Vicente, E.D., Cardoso, I.G.R., Schettini, Y.S., de Ataı́de Garcia Precioso João, Nunes, C.A., de Almeida, L.H., & Borborema, S. (2019) Mechanical and Microstructural Characterization of
AS-CAST Ti-12Mo-xNb Alloys for Orthopedic
Application. Materials Research, 22.
DOI: 10.1590/1980-5373-mr-2019-0178
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Correa, L.E., Nova, J.C.C., de Faria, L.R., Santos, F.B., de Lima, B.S., Nunes, C.A., Coelho, G.C., Rogl, P., Fisk, Z., & Machado, A.J.S. (2019) Evidence of multiband behavior in a new superconductor
Ta0.8Zr0.2B with FeB-prototype structure. Journal of Alloys and Compounds, 803, 597–600.
DOI: 10.1016/j.jallcom.2019.06.186
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Chaia, N., Cossu, C.M.F.A., Ferreira, L.M., Parrisch, C.J., Cotton, J.D., Coelho, G.C., & Nunes, C.A. (2019) Protective aluminide coating by pack cementation for Beta
21-S titanium alloy. Corrosion Science, 160, 108165.
DOI: 10.1016/j.corsci.2019.108165
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Chad, V.M., Chaia, N., Villela, T.F., Nunes, C.A., & Coelho, G.C. (2019) Experimental determination of liquidus projection in the
Cr rich region of the Cr-Si-B system. Journal of Alloys and Compounds, 772, 735–739.
DOI: 10.1016/j.jallcom.2018.09.139
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Bertoli, I.R., Filgueira, M., Ferreira, L.M., de Sousa Lucı́ola Lucena, Mariano, N.A., Ramos, A.S., Nunes, C.A., dos Santos, C., & Ramos, E.C.T. (2019) Microstructure and corrosion behavior in SBF medium of
spark plasma sintered Ti-xZr-20Si-10B (x = 5, 7, 10, 15,
20 at.-%) alloys. Journal of Alloys and Compounds, 797, 1157–1162.
DOI: 10.1016/j.jallcom.2019.05.196