Valentino Anok Melo CRISTINO紀天龍
Assistant Professor

Academic Qualification

  • Ph.D in Mechanical Engineering , Instituto Superior Tcnico, Lisbon, Portugal (2012)
  • M.Sc. in Mechanical Engineering , Instituto Superior Tcnico, Lisbon, Portugal (2007)
  • B.Sc in Mechanical Engineering , Instituto Superior Tcnico, Lisbon, Portugal (2004)

Research

Research Interests

  • Additive manufacturing
  • Metal Forming
  • Metal Cutting
  • Material Characterization
  • Manufacturing
  • Expermentation

Selected Publications

Refereed Journal Papers 

  • Liu K., Chen X.M., Tam L.M., Lo K.H., Wang H.Z, Cristino V.A.M. and Kwok C.T., Combined influence of traverse and rotation speeds in friction stir processing of AlSi10Mg alloy produced by laser-powder bed fusion, Materials Chemistry and Physics, 323, 2024.
  • Wei Q.L., Tang Z.J., Wang A., Guo L.P., Yang H.H., Wu Y., Cristino V.A.M., Kwok C.T., Wang H.W. and Wang H.Z., Transient and steady models for blue laser directed energy deposition, Journal of Materials Processing Technology, 325, 118292, 2024.
  • Wang F., Yuan T., Li R., Lin S., Niu P. and Cristino V., Effect of Mo on the morphology, microstructure and mechanical properties of NbTa0.5TiMox refractory high entropy alloy fabricated by laser powder bed fusion using elemental mixed powders, International Journal of Refractory Metals & Hard Materials, 111, 106107, 2023.
  • Qiao Q., Tam L. M.,Cristino V.A.M. and Kwok C.T., Surface hardness and corrosion behavior of laser surface-alloyed Ti6Al4V with copper, Surface
    and Coatings Technology    , 444,128663, 2022 (SCIE)
  • Cristino V.A.M., PraganaJ.P.M., Bragança I.M.F., Silva C.M.A. and Martins P.A.F., Hybrid Manufacturing of Stiffening Grooves in Additive Deposited Thin
    Parts, Journal of Manufacturing and Materials Processing, 5(4), 140.
  • Cristino V.A., Magrinho J.P., Centeno G., Silva M.B. and Martins, P.A.F., A digital image correlation based methodology to characterize formability in tube forming, Journal of Strain Analysis for Engineering Design, 2019 (SCIE).  
  • Cristino V.A.M., Silva M.B., Pak Kin Wong and Martins, P.A.F, Determining the fracture forming limits in sheet metal forming: a technical note, Journal of Strain Analysis for Engineering Design, 52 (8), 467-471, 2017 (SCI).
  • Cristino V.A.M., Montanari L., Silva M.B. and Martins P.A.F., Towards asymmetric hole-flanging produced by single point incremental forming, J Materials: Design and Applications Proc IMechE Part L, 229(5), 380-388, 2015.
  • Cristino V.A.M., Montanari L., Silva M.B., Atkins A.G. and Martins P.A.F., Fracture in hole-flanging produced by single point incremental forming, International Journal of Mechanical Sciences, 83, 146-154, 2014.
  • Montanari L., Cristino V.A.M., Silva M.B. and Martins P.A.F., A new approach for deformation history of material elements in hole-flanging produced by single point incremental forming, Int. Journal of Advanced Manufacturing Technologies, 69, 1175-1183, 2013.
  • Montanari L., Cristino V.A.M., Silva M.B. and Martins P.A.F., On the relative performance of hole-flanging by incremental sheet forming and conventional press working, Proc. IMechE Part L: Journal of Materials: Design and Applications, 228(4), 312-322, 2014.
  • Centeno G., Silva M.B., Cristino V.A.M., Vallellano C. and Martins P.A.F., Hole-flanging by incremental sheet forming, International Journal of Machine Tools and Manufacture, 59, 46-54, 2012.
  • Cristino V.A.M., Rosa P.A.R. and Martins P.A.F., Revisting the calibration of friction in metal cutting, Tribology Transactions, 55, 2012.
  • Cristino V.A.M., Rosa P.A.R. and Martins P.A.F., The role of interfaces in the evolution of friction by ring compression test, Experimental Techniques, 2012.
  • Cristino V.A.M., Rosa P.A.R. and Martins P.A.F., Surface roughness and material strength of tribo-pairs in ring compression tests, Tribology International, 44(2), 134-143, 2010.
  • Cristino V.A.M., Rosa P.A.R. and Martins P.A.F., Cutting under active and inert gas shields: A contribution to the mechanics of chip flow, International Journal of Machine tools and Manufacture, 50, 892-900, 2010.
  • Rosa P.A.R., Cristino V.A.M., Silva C.M.A. and Martins P.A.F., On the fundamentals of orthogonal metal cutting, Journal of Machining and Forming Technologies, 50, 892-900, 2010.

Conferences Papers

  • Cristino V.A.M., Pragana J.P.M., Bragança I.M.F., Silva C.M.A., Martins P.A.F., Groove stiffening of sheets by single point incremental forming, EM2022: 1st International Conference on Engineering Manufacture, Porto, Portugal, 2022.
  • Cristino V.A.M., Pak Kin Wong, Lap Mou Tam, Zhixin Yang, Silva M.B. and Martins, P.A.F, Comparative Analysis of Cylindrical and Square Hole-flanging by Incremental Sheet Forming, Materiais 2015: VII International Materials Symposium, Faculdade de Engenharia da Universidade do Porto, Porto, Portugal, 2015.
  • Silva C.M.A., Cristino V.A. M., Rosa P.A.R. and Martins P.A.F., Modelação Teórica e Experimental da Fractura Dúctil em Modo II, CIBEM 2011 – 10º Congresso Iberoamericano de Engenharia Mecânica, Porto, Portugal, 2011.
  • Cristino V.A.M., Silva C.M.A., Rosa P.A.R. and Martins P.A.F., Efeito dos Filmes Finos de Óxidos no Coeficiente de Atrito, CIBEM 2011 – 10º Congresso Iberoamericano de Engenharia Mecânica, Porto, Portugal, 2011.
  • Rosa P.A.R., Cristino V.A.M., Silva C.M.A. and Martins P.A.F., Input Data for the Numerical Simulation of Metal Cutting, CIRP (The International Academy for Production Engineering / Collège International pour la Recherche en Productique), Sintra, Portugal, 2011.
  • Cristino V.A. M., Silva C.M.A., Rosa P.A.R. and Martins P.A.F., Análise do ensaio de pino-no-disco na quantificação do atrito no corte ortogonal, 6º Congresso Brasileiro de Engenharia de Fabricação, Caxias do Sul (RGS), Brazil, 2011.
  • Cristino V.A.M., Silva C.M.A., Rosa P.A.R. and Martins P.A.F., Influência do meio envolvente no mecanismo de escoamento da apara, 6º Congresso Brasileiro de Engenharia de Fabricação, Caxias do Sul (RGS), Brazil, 2011.
  • Cristino V.A.M., Silva C.M.A., Rosa P.A.R. and Martins P.A.F., Avaliação do coeficiente de atrito no corte ortogonal através do ensaio de pino-no-disco, 8º Congresso Nacional de Mecânica Experimental, Universidade do Minho, Guimarães, Portugal, 2010.
  • Silva C.M.A., Cristino V.A.M., Rosa P.A.R. and Martins P.A.F., Principais parâmetros de entrada para a modelação numérica do corte ortogonal, 8º Congresso Nacional de Mecânica Experimental, Universidade do Minho, Guimarães, Portugal, 2010.
  • Cristino V.A.M., Rosa P.A.R. and Martins P.A.F., Modelação Experimental da Condição Tribológica no Corte Ortogonal, 5º Congresso Brasileiro de Engenharia de Fabricação, Belo Horizonte-MG, Brazil, 2009.
  • Cristino V.A.M., Rosa P.A.R. and Martins P.A.F., Avaliação Experimental da Condição Tribológica no Corte Ortogonal, 7º Congresso Nacional de Mecânica Experimental, Universidade de Trás-os-Montes e Alto Douro, Vila Real, Portugal, 2008.

Book

  • Cristino V.A.M. and Martins P.A.F., Tecnologia Mecânica – Tecnologias de Deformação Plástica e Corte volume 4: Técnicas de Laboratório, Escolar Editora, Portugal, 2013.

Book chapters

  • Silva C.M.A., Cristino V.A.M., Rosa P.A.R. and Martins P.A.F., Cutting under gas shields: Phenomenological concepts versus industrial applications, Traditional Machining processes – Research advances, Springer, 2015.
  • Montanari L., Cristino V.A.M., Silva M.B. and Martins P.A.F., Formability and Simulative Tests in Modern Sheet Metal Forming Education, Modern Mechanical Engineering, Springer, 2014.
  • Cristino V.A.M., Rosa P.A.R. and Martins P.A.F., Chapter 23: Tribology in Metal Cutting, Tribology for Scientist and Engineers: From Basics to Advanced Concepts, Springer, 2013.

Contact Details

Faculty of Science and Technology
University of Macau, E11
Avenida da Universidade, Taipa,
Macau, China

Room: E11-4070
Telephone: (853) 8822-4891
Fax: (853) 8822-2426
Email: vcristino