Patrícia Almeida Carvalho

Fotografia: Patricia Almeida Carvalho

Tenured Professor of Materials Engineering

Member of ICEMS

nanolab.ist.utl.pt

microlab.ist.utl.pt

Doctor of Mathematics and Natural Sciences, with the dissertation 'Planar defects in ordered systems', University of Groningen, 2001

Scientific and Pedagogical Aptitude Examination (MSc), with the dissertation Laser alloying of zinc with aluminum, Instituto Superior Técnico, 1995

Degree in Metallurgical and Materials Engineering, with the dissertation Ductility of Electrolytical copper films, Instituto Superior Técnico, 1990

Telephone: +351 917404674 Room:5.19 (3rd floor, Civil Engeering Building)

Email-address: pac@ist.utl.pt

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Current courses

Scientific fields

The areas of scientific interest are currently centred on the production of nanostructured composites and on the mechanical behavior at the nm/pN scales.

Current research topics

  • Development and characterization of nanostructured metal matrix composites;
  • Deformation and wear processes at the micro and nanoscales

Former research topics include

  • Crystalline defects and plasticity
  • Development and charaterization of intermetallic compounds
  • Solid-state transformations;
  • Study and modelling of solidification processes;

Students

Scientific Publications in International Journals

  • R. Mateus, P.A. Carvalho, N. Franco, L.C. Alves, M. Fonseca, E. Alves, Carbon deposition on beryllium substrates and subsequent delamination, Materials Science Forum, 730-732 (2013) 179-184
  • Dias M, Carvalho PA, Vinaica U, Tougait O, Noël H, Gonçalves AP, Liquidus projection of the B-Fe-U diagram: Fe-rich corner, Journal of alloys and compounds, Metallurgical transactions (accepted for publication)
  • D. Nunes, V. Livramento, N. Shohoji, H. Fernandes, C. Silva, J.B. Correia, P.A. Carvalho, Multiscale copper-µdiamond nanostructured composites, Materials Science Forum 730-732 (2013) 925-930
  • Colaço R, Carvalho PA, Atomic Force Microscopy in Bioengineering Applications, Scanning Probe Microscopy in Nanoscience and Nanotechnology, B. Bhushan (ed.), Vol III Springer-Verlag, Heidelberg 2012, ISBN 978-3-642-25413-0
  • D. Nunes, A.P. Gonçalves, J.Th.M. De Hosson, P.A. Carvalho, Structural characterization of the YFe11Mo intermetallic compound, IEEE Transactions on Magnetics, (2012)
  • M. Dias M, P.A. Carvalho, U. Vinaica, O. Tougait, H. Noël, A.P. Gonçalves, Liquidus projection of the B-Fe-U diagram. Boron-rich corner, Metallurgical and Materials Transactions 44A (2012) 1-11
  • D. Nunes, V. Livramento, U. Mardolcar, J.B. Correia, P.A. Carvalho, Tungsten-nanodiamond composite powders produced by ball milling, Journal of Nuclear Materials 426 (2012) 115–119
  • D. Nunes, M. Vilarigues, J.B. Correia, P.A. Carvalho, Nickel-carbon nanocomposites: Synthesis, structural changes and strengthening mechanisms, Acta Materialia 60 (2012) 737–747
  • M. Dias, P.A. Carvalho, L.C.J. Pereira, I.C.Santos, O.Tougait, V.H. Tran, A.P. Gonçalves, Crystal structure and magnetism of UFe3B2, Journal of Magnetism and Magnetic Materials 324 (2012) 2649-2653
  • M. Correia, V. Michel, A.P. Matos, P. Carvalho, M.J. Oliveira, R.M. Ferreira, M. Huerre, R. Seruca, C. Figueiredo, J.C. Machado, E. Touati, Docosahexaenoic acid inhibits Helicobacter pylori growth in culture and mice gastric mucosa colonization, PlosOne 7 (2012) e35072
  • R. Colaço, P.A. Carvalho , Atomic Force Microscopy in Bioengineering Applications, Scanning Probe Microscopy in Nanoscience and Nanotechnology, B. Bhushan (ed.), Vol III Springer-Verlag, Heidelberg 2012, ISBN 978-3-642-25413-0
  • D. Nunes, V. Livramento, N. Shohoji, H. Fernandes, C. Silva, J.B. Correia, P.A. Carvalho, Copper-microdiamond nanostructured composites, Scripta Physica, T145 (2011)014069
  • D. Nunes, V. Livramento, R. Mateus, J.B. Correia, L.C. Alves, M. Vilarigues, P.A. Carvalho, Mechanical synthesis of copper-carbon nanocomposites: Structural changes, strengthening and thermal stabilization, Materials Science and Engineering A 528 (2011) 8610-8620
  • D. Nunes, V. Livramento, N. Shohoji, H. Fernandes, C. Silva, J.B. Correia, P.A. Carvalho, Multiscale copper-µdiamond nanostructured composites, Materials Science Forum 730-732 (2013) 925-930
  • L.C. Alves, E. Alves, N P Barradas, M. Dias, R. Mateus, P. Carvalho, J.P. Coad, A. M. Widdowson, J. Likonen, S. Koivuranta and JET-EFDA Contributors, Surface composition and morphology changes of JET tiles under plasma interactions, Fusion Engineering and Design 86 (2011) 2557-2560
  • R. Mateus, P.A. Carvalho, D. Nunes, L.C. Alves, N. Franco, J.B. Correia, H. Fernandes, C. Silva, R. Lindau, E. Alves, Microstructural characterization of the ODS Eurofer 97 EU-batch, Fusion Engineering and Design 86 (2011) 2386–2389
  • D. Nunes, J.B. Correia, P.A. Carvalho, R., N. Shohoji, H. Fernandes, C. Silva, L.C. Alves, K. Hanada, E. Osawa, Production of Cu/Diamond composites for first-wall heat sinks, Fusion Engineering and Design 86 (2011) 2589–2592 10.1016/j.fusengdes.2011.01.085
  • A.C.G.M. Manso, S. González-Lopez, V. Bolaños-Carmona, P.J.B.T.D. Maurício, S.A. Félix, P.A. Carvalho, Regional Bond Strength to Lateral Walls in Class I and II Ceramic Inlays Luted with Four Resin Cements and Glass-Ionomer Luting Agent, Journal of adhesive dentistry 13 (2011) 455–465 (doi:10.3290/j.jad.a19816)
  • V. Livramento, D. Nunes, J.B. Correia, P.A. Carvalho, U. Mardolcar, R. Mateus, K. Hanada, N. Shohoji, H. Fernandes, C. Silva, E. Alves, Tungsten-micro diamond composites for plasma facing components, Journal of Nuclear materials, 416 (2011) 45–48
  • D. Nunes, A.P. Gonçalves, L.C.J. Pereira, R. Colaço, P.A. Carvalho, Microstructures and magnetic domain configurations of NdFe11Ti and Nd2(Fe,Ti)17 aggregates, Applied Physics A 104 (2011) 1053–1060
  • S. Graça, P. A. Carvalho, R. Colaço, Dislocation structures in nanoindented ductile metals – a TEM direct observation, Journal of Physics D: Applied Physics 44 (2011) 335402 (8pp)
  • A. Miranda, E. Malheiro, P.Eaton, P.A. Carvalho, B. de Castro, E. Pereira, Synthesis of gold nanocubes in aqueous solution with remarkable shape-selectivity, Journal of Porphyrins and Phtalocyanins 15 (2011) 441-448
  • M.S. Henriques, D.Berthebaud, L.C.J. Pereira, E.B. Lopes, M.B.C. Branco, H. Noël, O. Tougait, E. Šantavá, L. Havela, P.A. Carvalho, A.P. Gonçalves, Structural and physical properties of the U9Fe7Ge24 uranium germanide, Intermetallics, 19 (2011) 841-847
  • A. Miranda, E. Malheiro, E. Skiba, P. Quaresma, P.A. Carvalho, P. Eaton, B. Castro, J. Shelnutt, E. Pereira, One-Pot Synthesis of Triangular Gold Nanoplates Allowing Broad and Fine Tuning of Edge Length, Nanoscale 2 (2010) 2209-2216 DOI: 10.1039/c0nr00337a
  • G.M. Wright, E. Alves, L.C. Alves, N.P. Barradas, P.A. Carvalho, R. Mateus, J. Rapp, Hydrogenic retention of high-Z refractory metals exposed to ITER divertor relevant plasma conditions, Nuclear Fusion, 50 (2010) 055004 (9pp)
  • C.S. Neves, P. Quaresma, P.V. Baptista, P.A. Carvalho, J.P. Araujo, E. Pereira, P. Eaton, New insights into the use of magnetic force microscopy to discriminate between magnetic and nonmagnetic nanoparticles, Nanotechnology 21 (2010) 305706 (9pp) (2010 Highlights Collection)
  • M.Dias, P.A. Carvalho, O.Sologub, O.Tougait, H.Noel, A.P Gonçalves, On the cascade of peritectic reactions in the U-Fe-B system, Journal of Phase Equilibria and Diffusion, 31 (2010) 104-112
  • M. Dias, P.A. Carvalho, O. Sologub, L.C.J. Pereira, I.C. Santos, A.P. Gonçalves, Studies on the new UFe2B6 phase, Jounal of Alloys and Compounds, 492 (2010) L13–L15
  • E. Alves, L.C. Alves, N P Barradas, R. Mateus, P.A. Carvalho, G.M. Wright, Influence of temperature and plasma composition on deuterium retention in refractory metals, Nuclear Instruments and Methods in Physics Research B 268 (2010) 2124–2128
  • L.C. Alves, E. Alves, N.P. Barradas, R. Mateus, P. Carvalho, J.P. Coad, A.M. Widdowson, J. Likonen, S. Koivuranta, Erosion and re-deposition processes in JET tiles studied with ion beams, Nuclear Instruments and Methods in Physics Research B, 268 (2010) 2124–2128
  • D. Nunes, V. Livramento, J.B. Correia, K. Hanada, P.A. Carvalho, R. Mateus, N. Shohoji, H. Fernandes, C. Silva, E. Alves, E.Osawa, Consolidation of Cu-nD nanocomposites; hot extrusion vs spark plasma sintering, Materials Science Forum, 636-637 (2010) 682-687
  • P. Quaresma, L. Soares, L. Contar, A. Miranda, I. Osório, P.A. Carvalho, R. Franco, E. Pereira, Green Photocatalytic Synthesis of Stable Au and Ag Nanoparticles, Green Chemisty Communications , 11 (2009) 1889-1893
  • D. Nunes, R. Colaço, J.Th.M. De Hosson, A.P. Gonçalves, L.C.J. Pereira, P.A. Carvalho, Magnetic microstructure of YFe11Ti aggregates, Journal of Alloys and Compounds, 487 (2009) 11–17
  • D. Nunes, A.P. Gonçalves, L.C.J. Pereira, R. Colaço, P.A. Carvalho, Magnetic domain morphologies and wall energy in YFe11Ti crystals, Materials Characterization, 60 (2009) 1607-1612
  • D. Nunes, R. Mateus, I.D. Nogueira, P.A. Carvalho, J.B. Correia, N. Shohoji, R.B. Gomes, H. Fernandes, C. Silva, N. Franco, E. Alves, Microstructural evolution in tungsten and copper probes under hydrogen irradiation at ISTTOK, Journal of Nuclear Materials 390-391 (2009) 1039-1042
  • F. Vale, A.P.A Matos, P. Carvalho, J.M.B, Vitor, Helicobacter Pylori phage screening, Microscopy and Microanalysis 14 (2008) (supp 3) 150-151
  • V. Livramento, J.Brito Correia, D. Nunes, P.A. Carvalho, H. Fernandes, C. Silva, K. Hanada, N. Shohoji and E.Osawa, Novel Approach to Plasma Facing Materials in Nuclear Fusion Reactors, Plasma and Fusion Science, 996 (2008)166-171
  • C. Silva, H. Fernandes, C.A.F. Varandas, D. Alves, P. Balan, B.B. Carvalho, I. Carvalho, P. Carvalho, P.A. Carvalho, R. Coelho, J. B. Correia, A. Duarte, P. Duarte, J. Ferreira, H. Figueiredo, J. Figueiredo, J. Fortunato, R. Galvão, R. Gomes, B. Gonçalves, C. Hidalgo, C. Ionita, O. Lielausis, V. Livramento, T. Lunt, A. Klyukin, I. Nedzelskij, A. Neto, T. Pereira, E. Platacis, V. Plyusnin, R. Schrittwieser, A. Sharakovski, I. Tale, D. Valcárcel, Overview of recent ISTTOK results, Plasma and Fusion Science, 996 (2008) 3-13
  • S. Graça, R. Colaço, P. Carvalho, R. Vilar, Determination of dislocation density by two independent methods: a comparative study, Materials Letters 62,(2008) 3812-3814
  • P.A. Carvalho, I.F. Machado, G. Solórzano, A.F. Padilha, on Cr2N precipitation mechanisms in high nitrogen austenite, Philosophical Magazine 88 (2008) 229-242
  • A.P. Alves de Matos, P. A. Carvalho, A. Almeida, L. Duarte, R. Vilar, J. Leitão, On the structural diversity of sialoliths, Microscopy and Microanalyis, Microscopy and Microanalysis, 13 (2007) 390-396 (doi: 10.1017/S1431927607070754)
  • J.B. Correia, M.T. Marques, P.A. Carvalho, R. Vilar, Hardening in copper based nanocomposites, Journal of Alloys and Compounds, 434-435 (2007) 301-303
  • D. Dias, P.A. Carvalho, A.C. Ferro, W. Lohwasser, On the performance of pyrolytic MnO2/tantalum capacitors: columnar vs nanocrystalline cathodic layer, Acta Materialia, 55 (2007) 3757-3763
  • R. Martins, P. Almeida , P. Barquinha, L. Pereira, A. Pimentel, I. Ferreira, E. Fortunato, Electron transport and optical characteristics in amorphous indium zinc oxide films, Journal of non-crystalline solids 352 (2006) 1471-1474
  • M. Dias, A.S. Cascais, P.A. Carvalho, O. Sologub, O. Tougait, H. Noël, A.P. Gonçalves, Isothermal section at 950ºC of the U-Fe-B ternary system, Intermetallics 15 (2006) 413
  • A. Almeida, F. Carvalho, P. A. Carvalho and R. Vilar, Microstructure, Mechanical and Wear Behaviour of Al-Mo Surface Alloys, Surface and Coatings Technology 200 (2006) 4782-4790
  • I.D. Nogueira, P.A. Carvalho, J.C. Pereira, R. Vilar, Complex and superlattice stacking faults in D019 Co3W, Philosophical Magazine, 86 (2006) 1763-1774
  • P.A. Carvalho, I. Fonseca, M.T. Marques, J.B. Correia, R. Vilar, Transmission electron microscopy study of a copper-carbon nanocomposite, Materials Science and Technology, 22 (2006) 673-678
  • A. Almeida, P.A. Carvalho, R. Vilar, Laser developed Al-Cr surface alloys: microstructure, mechanical and wear behaviour, Advanced Materials Forum III (PTS 1 and 2) 514-516 (2006) 490-494
  • D. Dias, P.A. Carvalho, A. Ferro, W. Lohwasser, TEM and XRD investigation of MnO2 microstructure and its influence on ESR of Ta capacitors, Advanced Materials Forum III (PTS 1 and 2) 514-516 (2006) 269-273
  • D. Dias, P.A. Carvalho, A. Ferro, W. Lohwasser, MnO2 counter-electrode structure in Ta capacitors: A TEM study, Acta Materialia 53 (2005) 4723-4732
  • P.A. Carvalho, I. Fonseca, M.T. Marques, J.B. Correia, A. Almeida, R.Vilar, Characterization of copper-iron carbide nanocomposite produced via mechanical alloying, Acta Materialia 53/4 (2005) 967-976
  • P.A Carvalho, D. Dias, A.C. Ferro, R. Monteiro, W. Lohwasser, TEM Investigation of Counter-electrode structure in Ta capacitors, Microscopy and Microanalysis,11 S2 (2005) 2098-2099
  • A.P. Alves de Matos, P.A. Carvalho, A. Almeida, L. Duarte, R. Vilar, J. Leitão, Ultrastructural and EDS Study of Sialoliths of the salivary glands, Microscopy and Microanaly, 11 S2 (2005) 152-153
  • P.A. Carvalho, P.M. Bronsveld, B.J. Kooi, J. Th. M. De Hosson, On the fcc - D019 transformation in Co-W alloys, Acta Materialia, 50 (2002) 4511-4526
  • P.A. Carvalho, J.Th.M. De Hosson, Stacking faults in the Co7W6 isomorph of the mu phase, Scripta Materialia, 45 (2001) 333-340
  • P.A. Carvalho, B.J. Kooi, J.Th.M. De Hosson, Identification of planar defects in D019 phases using high-resolution transmission electron microscopy, Philosophical Magazine Letters 81 (2001) 697-707
  • P.A. Carvalho, M. Sijbolts, B.J. Kooi, J.Th.M. De Hosson, High-Resolution transmission electron microscopy study of discontinuously precipitated Ni3Sn, Acta Materialia, 48 (2000) 4203-4215
  • P.A. Carvalho, H.S.D. Haarsma, B.J. Kooi, J.Th.M. De Hosson, HRTEM study of Co7W6 and its typical defect structure, Acta Materialia, 48 (2000) 2703 –2712
  • P.A. Carvalho, A.M. Deus, R. Colaço, R. Vilar, Laser Alloying of Zinc with Aluminum: Solidification Behavior, Acta Materialia, 46 (1998) 1781-1792
  • P.A. Carvalho, R. Vilar, Laser Alloying of Zinc with Aluminum: Solidification Structures, Surface and Coatings Technology, 91 (1997) 158-166
  • P.A. Carvalho, N. Braz, M.M. Pontinha, M.G.S. Ferreira, W.M.Steen, R. Vilar, K.G. Watkins, Automated workstation for variable composition laser cladding - Its use for rapid alloy scanning, Surface and Coatings Technology, 72 (1995) 62-70
  • M.M. Pontinha, P.A. Carvalho, M.G.S. Ferreira, R.M. Vilar, W.M. Steen, K.G. Watkins, ZnAl alloys produced by laser alloying with variable powder feed rates, Journal of High Temperature Chemical Processes, 3 (1994) 39-46