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Joana Rebelo Kornmeier

Instrument scientist at FRMII

Joana Rebelo Kornmeier Joana Rebelo Kornmeier Joana at the STRESS-SPEC Instrument. © Andreas Heddergott, Astrid Eckert, TUM

Can you tell us about your studies? What scientific field did you specialise in?

  • 2002-4 PhD in Technological Physics, University of Coimbra, Portugal:
    “Experimental study and numerical simulation of the physical process of
    Electro Discharge Machining (EDM)”
  • 1995-7 MSc in Technological Physics, University of Coimbra, Portugal
  • 1992-7 First degree in Physics Engineering, University of Coimbra, Portugal

Scientific field: Materials science

  • Application of X-ray and neutron diffraction to materials science problems:
  • Phase and structure analysis
  • Residual stress and texture analysis
  • Tomography and radiography

Tell us more about your neutron-scattering background

Since November 2002 as Postdoctoral Researcher and then since January 2005 as Instrument Scientist at the materials science diffractometer STRESS-SPEC at the research reactor FRM II in Munich, Germany.

Can you tell us step by step how you reached your current position?

  • Since Jan 2005 Instrument Scientist at research reactor Munich (FRM II), Technische Universität München (TUM) – Germany
  • Nov 2002 – Dec 2004 Postdoctoral position at the FRM II, Garching, Technische Universität München (TUM) – Germany
  • 1996-2002 During PhD scholarship: Assistant Professor of Technical Drawing, Industrial Engineering Course, Universidade Católica Portuguesa
  • 1994-1996 During Master scholarship: Assistant Professor of Mathematic and PC applications, Industrial Engineering and Human Resources Courses respectively, Instituto Superior de Matemáticas e Gestao, Marinha Grande, Portugal

Have you got any publications?

  • Rebelo Kornmeier, J., Gan, W.M., Marques, M.J., Batista, A.C., Hofmann, M., Loureiro, A.
    Texture Characterization of Stainless Steel Cladded Layers of Process Vessels, Materials Science Forum, 879, (2016), 1588-1593
  • Jens Gibmeier, Joana Rebelo-Kornmeier, Tobias Strauss
    Local Residual Stress Depth Distribution in the Inner Gearing of a Case Hardened Sliding Collar, Materials Science Forum, 879, (2016), 601-606
  • M. Afzali, F. Lefebvre, J. Hensel, T.N. Nitschke-Pagel, J. Rebelo Kornmeier, K. Dilger
    Experimental Investigation of Fatigue Crack Propagation in Residual Stress Fields, Procedia Engineering, 133, (2015), 244-254
  • V. Zinth, C. von Lüders, M. Hofmann, J. Hattendorff, I. Buchberger, J. Rebelo Kornmeier
    A. Jossen, R. Gilles
    Lithium plating in lithium-ion batteries at sub-ambient temperatures investigated by in situ neutron diffraction, Journal of Power Sources, 271, (2014), 152-159
  • H. Köhler, K. Partes, J. Rebelo Kornmeier, F. Vollertsen
    On the Influence of Laser Cladding and Post-processing Strategies on Residual Stresses in Steel Specimens, Physics Procedia, 56, (2014), 250–261
  • J.P. Nobre, A. Castanhola Batista, J. Rebelo Kornmeier, J.D. M. Costa, A. Loureiro, J.S. Jesus
    Neutron and X-Ray Diffraction Residual Stress Measurements in Aluminium Alloys MIG Welded T-Joints after Friction Stir Processing, Materials Science Forum, 996, (2014), 439 444
  • T. Ramjaun, H.J. Stone, L. Karlsson, J. Kelleher, S.W. Ooi, K. Dalaei, J. Rebelo Kornmeier, H.K.D.H. Bhadeshia
    Effects of dilution and baseplate strength on stress distributions in multipass welds deposited using low transformation temperature filler alloys, Science and Technology of Welding & Joining, 19(6), (2014), 461
  • T. Ramjaun, H.J. Stone, L. Karlsson, J. Kelleher, R.J. Moat, J. Rebelo Kornmeier, K. Dalaei, H.K.D.H. Bhadeshia
    Effect of interpass temperature on residual stresses in multipass welds produced using low transformation temperature filler alloy, Science and Technology of Welding & Joining, 19(1), (2014), 44
  • J. Rebelo Kornmeier, A. Ostermann, M. Hofmann, J. Gibmeier
    Optimization of a multi-channel parabolic guide for the material science diffractometer STRESS-SPEC at FRM II, Nuclear Instruments and Methods in Physics Research Section A, 736 (2014), 150–155
  • J. Saroun, J. R. Kornmeier, M. Hofmann, P. Mikula and M. Vrana
    Analytical model for neutron diffraction peak shifts due to the surface effect, J. Applied Crystallography, 46, (2013), 628-638
  • M. Hofmann, W. Gan, J. Rebelo Kornmeier, M. Schöbel
    Materials science at the diffractometer STRESS-SPEC at FRM II, Neutron News 24(3), (2013), 14
  • A.F. Mark, J.A. Francis, H. Dai, M. Turski, P.R. Hurrell, S.K. Bate, J.R. Kornmeier, P.J. Withers
    On the evolution of local material properties and residual stress in a three-pass SA508 steel weld, Acta Materialia, 60, Issue 8, (2012), 3268–3278
  • Henry Köhler, Knut Partes, J. Rebelo Kornmeier, F. Vollertsen
    Residual Stresses in Steel Specimens Induced by Laser Cladding and their Effect on Fatigue Strength, Physics Procedia, 39, (2012), 354–361
  • J. Rebelo Kornmeier, J. Gibmeier, M. Hofmann
    Minimization of spurious strains by using a Si bent-perfect-crystal monochromator: neutron surface strain scanning of a shot-peened sample, Measurement Science and Technology, 22, (2011), 065705
  • Joana Rebelo-Kornmeier, Jens Gibmeier, Michael Hofmann und Robert Charles Wimpory
    “Neutron surface residual stress scanning using optimisation of a Si bent perfect crystal monochromator for minimising spurious strains”, 2011, Materials Science Forum, vols.681, 399-404
  • Maria José Marques, António Castanhola Batista, Joana Rebelo-Kornmeier, Michael Hofmann, João Paulo Nobre und Altino Loureiro
    “Residual Stress Fields after Heat Treatment in Cladded Steel of Process Vessels”, 2011, Materials Science Forum, vols. 681, 364-369
  • R.C.Wimpory, U. Wasmuth, J. Rebelo-Kornmeier, M. Hofmann
    “The Effect of Grain Size on Strain Determination Using a Neutron Diffractometer”, 2010, Materials Science Forum, vols. 638-642, 2405-2410
  • J. Rebelo-Kornmeier, M. Hofmann, U. Garbe, C. Randau, J. Repper, A. Ostermann, W. Tekouo, G.A. Seidl, R.C. Wimpory et al.
    “New developments at materials science diffractometer STRESS-SPEC at FRM II”, 2009, Advances in X-Ray Analysis, 52:209-216
  • Jens Gibmeier, Joana Kornmeier and Michael Hofmann
    “Neutron diffraction stress analysis of near surface stress gradients of surface treated steel samples”, 2009, Advances in X-Ray Analysis, 52:279-286
  • J. Ruiz-Hervias, M. Hofmann, J. Rebelo-Kornmeier, V. Luzin, and M. Elices
    “Residual stresses in cold-drawn rods: effect of a novel post-drawing treatment”, 2009, Advances in X-Ray Analysis, 52:747-754
  • A. Hofmann, J. Rebelo-Kornmeier, U. Garbe, R.C. Wimpory, J. Repper, G.A. Seidl, H.G. Brokmeier und R. Schneider
    “Stress Spec: advanced materials science at the FRM II”, 2007, Neutron News, vol. 18:4, 27 30
  • J. Rebelo Kornmeier, M. Hofmann und S. Schmidt
    “Non-destructive testing of satellite nozzles made of carbon fibre ceramic matrix composite, C/SiC”, 2007, Materials Characterization, vol. 58, 922 – 927
  • M. Hofmann, G.A. Seidl, J. Rebelo-Kornmeier, U. Garbe, R. Schneider, R.C. Wimpory, U. Wasmuth und U. Noster
    “The New Materials Science Diffraktometer STRESS-SPEC at FRM II”, 2006, Materials Science Forum, vols. 524 – 525, 211 – 216.
  • M. Hofmann, R. Schneider, G.A. Seidl, J. Rebelo-Kornmeier, R.C. Wimpory, U. Garbe, H.G. Brokmeier
    The new materials science diffractometer STRESS-SPEC at FRM-II, Physica B, 385–386 (2006), 1035–1037.
  • J.C. Rebelo, M. Kornmeier, A. Castanhola Batista, A. Morão Dias
    “Residual stress after EDMFEM study and measurement results”, Proc. 6th European Conference on Residual Stresses ECRS 6, Coimbra, Portugal, July 2002, Edited by A.M. Dias et al., Materials Science Forum, 404-407, (2002), 159-164.
  • J.C. Rebelo, A. Morão Dias, R. Mesquita, P. Vassalo, M. Santos
    “An experimental study on electro discharge machining and polishing of high strength copper beryllium alloys”, Journal of Materials Processing Technology, 103, (2000), 389-397.
  • J.C. Rebelo, A. Morão Dias, D. Kremer, J.L. Lebrun
    “Influence of EDM Pulse Energy on the Surface Integrity of Martensitic Steels”, Journal of Materials Processing Technology, 84 (1-3), (1998), 90-96.

Contact details

Instrument Scientist
Technische Universität München
Forschungsneutronenquelle Heinz Maier-Leibnitz
Lichtenbergstr. 1
D-85747 Garching
STRESS-SPEC Instrument website
Phone: +49 (0)89 289 14710
Fax: +49 (0)89 289 14666

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