Publications

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Journal Article (7)

  1. 1.
    Journal Article
    Demir, E.; Raabe, D.; Roters, F.: The mechanical size effect as a mean-field breakdown phenomenon: Example of microscale single crystal beam bending. Acta Materialia 58, pp. 1876 - 1886 (2010)
  2. 2.
    Journal Article
    Demir, E.; Roters, F.; Raabe, D.: Bending of single crystal microcantilever beams of cube orientation: Finite element model and experiments. Journal of the Mechanics and Physics of Solids 58, pp. 1599 - 1612 (2010)
  3. 3.
    Journal Article
    Demir, E.; Raabe, D.: Mechanical and microstructural single-crystal Bauschinger effects: Observation of reversible plasticity in copper during bending. Acta Materialia 58 (18), pp. 6055 - 6063 (2010)
  4. 4.
    Journal Article
    Dmitrieva, O.; Svirina, J. V.; Demir, E.; Raabe, D.: Investigation of the internal substructure of microbands in a deformed copper single crystal: Experiments and dislocation dynamics simulation. Modelling Modelling and Simulation in Materials Science and Engineering 18 (085011), pp. 085011-1 - 085011-14 (2010)
  5. 5.
    Journal Article
    Demir, E.: A Taylor-based plasticity model for orthogonal machining of single-crystal FCC materials including frictional effects. International Journal of Advanced Manufacturing Technology 40 (9-10), pp. 847 - 856 (2009)
  6. 6.
    Journal Article
    Demir, E.; Raabe, D.; Zaafarani, N.; Zaefferer, S.: Investigation of the indentation size effect through the measurement of the geometrically necessary dislocations beneath small indents of different depths using EBSD tomography. Acta Materialia 57, pp. 559 - 569 (2009)
  7. 7.
    Journal Article
    Demir, E.: Taylor-based model for micro-machining of single crystal fcc materials including frictional effects—Application to micro-milling process. International Journal of Machine Tools and Manufacture 48 (14), pp. 1592 - 1598 (2008)

Talk (10)

  1. 8.
    Talk
    Raabe, D.; Roters, F.; Zaefferer, S.; Zambaldi, C.; Demir, E.; Zaafarani, N.; Diehl, M.; Lebensohn, R.; Eisenlohr, P.: Computational Crystal Plasticity. Korea Institute of Science and Technology (KIST), Seoul, South Korea (2011)
  2. 9.
    Talk
    Raabe, D.; Roters, F.; Zambaldi, C.; Demir, E.; Zaafarani, N.; Fabritius, H.; Petrov, M.; Friák, M.; Neugebauer, J.: Mechanical size effect analysis in metals and biological materials. Invited keynote lecture, Micromechanics Conference II, Oxford, UK (2010)
  3. 10.
    Talk
    Dmitrieva, O.; Svirina, J. V.; Demir, E.; Dondl, P. W.; Müller, S.; Raabe, D.: Orientation patterning in copper single crystals: Axperimental observation and laminate analysis in dislocation dynamics. Lehrstuhl für Allgemeine Mechanik, Ruhr-Universität Bochum, Bochum, Germany (2010)
  4. 11.
    Talk
    Raabe, D.; Zaefferer, S.; Konijnenberg, P.; Demir, E.; Khorashadizadeh, A.; Zaafarani, N.; Nestler, B.; Rohrer, G.; Rollett, A. D.: 3D EBSD: Tomographic orientation microscopy in a FIB SEM. E-MRS 2010 Spring Meeting, Strasbourg, France (2010)
  5. 12.
    Talk
    Roters, F.; Demir, E.; Eisenlohr, P.: On the calculation of the geometrically necessary dislocation density in crystal plasticity FEM models. 1st International Conference on Material Modelling (ICMM 1), Dortmund, Germany (2009)
  6. 13.
    Talk
    Raabe, D.; Roters, F.; Eisenlohr, P.; Zaefferer, S.; Tjahjanto, D. D.; Demir, E.; Ma, D.; Bieler, T. R.; Hantcherli, L.; Friak, M. et al.; Neugebauer, J.: Overview of the crystal plasticity finite element method. THERMEC 2009, Berlin, Germany (2009)
  7. 14.
    Talk
    Calcagnotto, M.; Ponge, D.; Demir, E.; Raabe, D.; Zaefferer, S.: 3D-EBSD Investigation on Orientation Gradients and Geometrically Necessary Dislocations Induced by the Martensitic Phase Transformation in Ultrafine Grained Dual-Phase Steels. Interdisciplinary Symposium on 3D Microscopy, Interlaken, Switzerland (2009)
  8. 15.
    Talk
    Demir, E.; Zaafarani, N.; Weber, F.; Ma, D.; Zaefferer, S.; Roters, F.; Raabe, D.: 3D EBSD analysis of mechanical size effects during indentation: EBSD tomography and crystal plasticity FEM. PLASTICITY 2009, St Thomas, Virgin Islands, USA (2009)
  9. 16.
    Talk
    Raabe, D.; Demir, E.; Zaefferer, S.: Experimental investigation of geometrically necessary dislocations beneath small indents of different depths using EBSD tomography. MRS 2009 Fall Meeting, Boston, MA, USA (2009)
  10. 17.
    Talk
    Demir, E.; Raabe, D.; Zaefferer, S.: Quantification of Geometrically Necessary Dislocations Beneath Small Indents of Different Depths Using EBSD Tomography. MRS Fall Conference 2008, Boston, MA, USA (2008)

Poster (2)

  1. 18.
    Poster
    Raabe, D.; Demir, E.; Roters, F.: Bending of Single Crystal Copper Micro Cantilever Beams with Cube Orientation: Finite Element Simulation and Experiments. MRS Fall Meeting 2009, Boston, MA, USA (2009)
  2. 19.
    Poster
    Raabe, D.; Demir, E.; Roters, F.: Size Dependence of Mechanical Strength Observed During Bending of Beams with Rectangular and Circular Cross Sections. MRS Fall Meeting 2009 , Boston, MA, USA (2009)

Teaching (1)

  1. 20.
    Teaching
    Raabe, D.; Roters, F.; Eisenlohr, P.; Zaefferer, S.; Zaafarani, N.; Demir, E.; Ma, A.; Ma, D.: Understanding the Elasto-Plasticity of Crystals. Lecture: MMM- Max-Planck Multiscale Simulation Conference, St. Feliu de Guixols [Spain], October 30, 2007
 
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