ambulance bed bolt briefcase calendar chain chevron-left chevron-right clock-o commenting-o commenting comments diamond envelope-o envelope facebook feed flask globe group heart-o heart heartbeat hospital-o instagram leaf magnify image/svg+xml map-marker medkit pdf phone quote-left quote-right skype star-o star tint trophy twitter user-md user whatsapp youtube

Gilberto Carvalho Coelho

Gilberto Carvalho Coelho

:email: gilberto.coelho@usp.br
:telephone_receiver: +55 12 3159 9912

Áreas de pesquisa: Determinação experimental de diagramas de fases, Modelamento termodinâmico de diagramas de fases (método CALPHAD).

Info:

Possui graduação em Engenharia Metalúrgica pela Universidade Federal de Ouro Preto (1988), mestrado em Engenharia Mecânica pela Universidade Estadual de Campinas (1992), doutorado em Ciência dos Materiais - Universitat Stuttgart - Alemanha conduzido no Max-Planck Institut für Metallforschung (1997) e pós-doutorado na Universidade de Nancy I - França (2005). Atualmente é professor da Escola de Engenharia de Lorena - EEL/USP; revisor dos periódicos Calphad, Journal of Alloys and Compounds, Journal of Phase Equilibria and Diffusion, Materials Research, Metallurgical and Materials Transactions A, International Journal of Materials Research (ex Zeitschrift fuer Metallkunde) e Thermochimica Acta e assessor ad hoc da Fapesp e do CNPq. Tem experiência na área de Engenharia de Materiais e Metalúrgica, com ênfase em Estrutura dos Metais e Ligas, atuando principalmente nos seguintes temas: diagrama de fases, boretos, silicetos, termodinâmica computacional, intermetálicos, superligas e materiais estruturais para aplicação em altas temperaturas.

Publicações Recentes

2024

  1. 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

  2. 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

  3. 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

  1. 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

  2. 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

  1. 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

  2. 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

  3. 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

  4. 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

  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

Docentes