Search results

Journal Article (8)

1.
Journal Article
Han, C. S.; Ma, A.; Roters, F.; Raabe, D.: A Finite Element approach with patch projection for strain gradient plasticity formulations. International Journal of Plasticity 23, pp. 690 - 710 (2007)
2.
Journal Article
Ma, A.; Roters, F.; Raabe, D.: A dislocation density based constitutive law for BCC materials in crystal plasticity FEM. Computational Materials Science 39, pp. 91 - 95 (2007)
3.
Journal Article
Ma, A.; Roters, F.; Raabe, D.: On the consideration of interactions between dislocations and grain boundaries in crystal plasticity finite element modeling – Theory, experiments, and simulations. Acta Materialia 54 (8), pp. 2181 - 2194 (2006)
4.
Journal Article
Ma, A.; Roters, F.; Raabe, D.: A dislocation density based constitutive model for crystal plasticity FEM including geometrically necessary dislocations. Acta Materialia 54, pp. 2169 - 2179 (2006)
5.
Journal Article
Ma, A.; Roters, F.; Raabe, D.: Studying the effect of grain boundaries in dislocation density based crystal plasticity finite element simulations. International Journal of Solids and Structures 43, pp. 7287 - 7303 (2006)
6.
Journal Article
Ma, A.; Roters, F.: A constitutive model for fcc single crystals based on dislocation densities and its application to uniaxial compression of aluminium single crystals. Acta Materialia 52, pp. 3603 - 3612 (2004)
7.
Journal Article
Ma, A.; Roters, F.; Raabe, D.: Numerical study of textures and Lankford values for FCC polycrystals by use of a modified Taylor model. Computational Materials Science 29, 3, pp. 259 - 395 (2004)
8.
Journal Article
Ma, A.: Implicit scheme of RVE calculation for FCC polycrystals. Computational Materials Science 27, pp. 471 - 479 (2003)

Conference Paper (4)

9.
Conference Paper
Nikolov, S.; Lebensohn, R. A.; Roters, F.; Raabe, D.; Ma, A.: Micromechanical modeling of large plastic deformation in semi-crystalline polymers. 12th International Symposium on Plasticity 2006, Halifax, Nova Scotia (Canada), July 17, 2006 - July 22, 2006. (2006)
10.
Conference Paper
Roters, F.; Ma, A.; Raabe, D.: A dislocation density based constitutive model for crystal plasticity FEM. Dislocations, Plasticity, Damage and Metal Forming: Material Response and Multiscale Modeling, pp. 445 - 447 (2005)
11.
Conference Paper
Ma, A.; Roters, F.; Raabe, D.: Experiments and Simulations on the micromechanics of single- and polycrystalline metals. Numiform 2004, The Ohio State University, Columbus, Ohio, U.S.A., June 13, 2004 - June 17, 2004. Materials Processing and Design: Modeling, Simulation and Applications, pp. 78 - 83 (2004)
12.
Conference Paper
Roters, F.; Ma, A.; Raabe, D.: Kristallplastische Simulation in der Werkstoffprüfung. In: Proceedings of the 2004- Materials-Testing Conference of DGM in Neu-Ulm. DGM-Verlag (2004)

Talk (14)

13.
Talk
Ma, A.; Friák, M.; Neugebauer, J.; Raabe, D.: Ab initio based design of alloys. MS&T'08, Symposium: Discovery and Optimization of Materials Through Computational Design, David Lawrence Convention Center, Pittsburgh, PA, USA (2008)
14.
Talk
Ma, A.; Roters, F.; Raabe, D.: Introducing the Effect of Grain Boundaries into Crystal Plasticity FEM Using a Non Local Dislocation Density Based Constitutive Model. Theory and Application to FCC Bi-Crystals. Euromech Colloquium 463, MPI für Eisenforschung GmbH, Düsseldorf, Germany (2007)
15.
Talk
Bieler, T. R.; Crimp, M. A.; Ma, A.; Roters, F.; Raabe, D.: A Slip Interaction Based Measure of Damage Nucleation in Grain Boundaries. 3rd International Conference on Multiscale Materials Modeling, Freiburg, Germany (2006)
16.
Talk
Bieler, T. R.; Crimp, M. A.; Ma, A.; Roters, F.; Raabe, D.: Slip Interactions Leading to Damage Nucleation in Grain Boundaries. Plasticity Conference 2006, Halifax, Canada (2006)
17.
Talk
Nikolov, S.; Lebensohn, R. A.; Roters, F.; Raabe, D.; Ma, A.: Micomechanical Modeling of large plastic deformation in semi-crystalline polymers. Plasticity, Halifax, Canada (2006)
18.
Talk
Ma, A.; Roters, F.; Raabe, D.: A grain boundary mechanism for nonlocal constitutive laws in crystal plasticity finite element simulations. DPG Frühjahrstagung, Dresden, Germany (2006)
19.
Talk
Roters, F.; Ma, A.; Zaafarani, N.; Raabe, D.: Crystal plasticity FEM modeling at large scales and at small scales. GAMM annual meeting, Berlin, Germany (2006)
20.
Talk
Ma, A.; Roters, F.; Raabe, D.: A dislocation density based constitutive law for BCC materials in crystal plasticity FEM. 15th International Workshop on Computational Mechanics of Materials, MPI für Eisenforschung, Düsseldorf (2005)
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