Einrichtung | Kontinuumsmechanik und Materialtheorie |
---|---|
Sekretariat | MS2 |
Gebäude | Mechanische Schwingungslehre (MS) |
Raum | 304 |
Adresse | Einsteinufer 5 10587 Berlin |
n.V. |
1973 - 1974 | Studium in der Studienrichtung Physikalische Ingenieurwissenschaft an der TU Berlin, Diplom Dez. 1974 |
1975 - 1979 | Wissenschaftlicher Assistent bei Prof. R. Trostel im 2. Institut für Mechanik der TU Berlin |
21.2.1980 | Promotion zum Dr.-Ing. an der TU Berlin mit dem Thema: Materielle Systeme mit inneren Zwangsbedingungen |
1980 - 1988 | Hochschulassistent im 2. Institut für Mechanik der TU Berlin |
1983 - 1985 | Dozent an der Universidad Industrial de Santander, Bucaramanga, Kolumbien im Fachbereich Bauingenieurwesen |
7. - 9.1986 | Gastdozent an der University of Dar-es-Salaam, Tansania |
22.7.1987 | Habilitation, Titel der Habilitationsschrift: Versuch einer axiomatischen Einführung in die Kontinuumsmechanik basierend auf einem Leistungsfunktional. Privatdozent an der TU Berlin. |
7.1987 - 10.1987 | Forschungsaufenthalt im Maschinenbaudepartment der Pontificia Universidade Catolica in Rio de Janeiro, Brasilien |
1988 - 1995 | Wiss. Mitarbeiter der Bundesanstalt für Materialforschung und -prüfung, Referat Rechnerische Werkstoff- und Bauteilanalyse |
1.5.1995 | Ernennung zum Universitätsprofessor (C4) der Otto-von-Guericke Universität Magdeburg, Lehrstuhl Festigkeitslehre, Fakultät für Maschinenbau |
11.7.1995 | Ernennung zum außerplanmäßigen Professor der TU Berlin |
15.9.1998 | Ruferteilung auf Professur für Mechanik in der Fak. Maschinenbau der Universität Dortmund (nicht angenommen) |
2000 - 2016 | Geschäftsführender Herausgeber der Fachzeitschrift Technische Mechanik |
7.2001 - 2.2005 | Leiter des Instituts für Mechanik der Otto-von-Guericke-Universität Magdeburg |
2002 - jetzt | (Vize-)Sprecher des Graduierten-Kollegs Mikro-Makro-Wechselwirkungen in strukturierten Medien und Partikelsystemen |
3.2005 - 9.2005 | Gastprofessor an der Ecole des Mines in Paris |
2004 - 2012 | gewählter Fachkollegiat der DFG |
Febr. - März 2010 | Gastprofessor an der Universität von Havanna, Kuba |
April - July 2010 | Visiting Scholar der University of California at Berkeley |
2022
Bertram, A.: Compendium on Gradient Materials. Springer Verlag, 300 pages (2022)
O. Stahn, A. Bertram, W. H. Müller: The evolution of Hooke's law under finite plastic deformations for fiber reinforced materials. Continuum Mech. Thermodyn. (in press)
2020
A. Bertram, S. Forest (edts.): Mechanics of Strain Gradient Materials. Springer-Verlag, 171 pages (2020)
Reiher, J. C.; Bertram, A.: Finite Third-Order Gradient Elastoplasticity and Thermoplasticity.
J. Elasticity 138,2, 169–193 (2020)Bertram, A.: On viscous gradient fluids. Continuum Mech. Thermodyn. 32,5, 1385-1401, doi.org/10.1007/s00161-019-00853-4 (2020)
Stahn, O., Müller, W., Bertram, A.: Distances of Stiffnesses to Symmetry Classes. J. Elasticity 141, 349–361, (2020) doi.org/10.1007/s10659-020-09787-4
2019
E. Tohidlou, A. Bertram: Effect of strain hardening on subgrain formation during ECAP process. Mechanics of Materials 137 (2019)
A. Bertram (edt.): Compendium on Gradient Materials, TU Berlin June 2019, 253 pages.
Weber, M.; Glüge, R.; Bertram, A.: Distance of a stiffness tetrad to the symmetry classes of linear elasticity. Int. J. Solids Structures 48,156, 281-293 (2019)
2018
J. C. Reiher, A. Bertram: Finite Third-order Gradient Elasticity and Thermoelasticity, Journal of Elasticity 133, 223--252. (2018) DOI: 10.1007/s10659-018-9677-2
Makvandi, R.; Reiher, J. C.; Bertram, A.; Juhre, D.: Isogeometric analysis of first and second strain gradient elasticity. Computational Mechanics 61, 351–363 (2018)
2017
M. Weber, R. Glüge, A. Bertram: Material plasticity to track the elastic anisotropy at finite strains, Proceedings in Applied Mathematics and Mechanics 17, 481--82. (2017)
E. Tohidlou, A. Bertram: Effect of initial orientation on subgrain formation in nickel single crystals during equal channel angular pressing. Mechanics of Materials 114 (2017) 30-39.
A. Bertram, R. Glüge: Festkörpermechanik. Otto-von-Guericke-Universität Magdeburg 2017. ca. 295 Seiten.
A. Bertram (edt.): Compendium on Gradient Materials, TU Berlin December 2017, 237 pages. DOI: 10.13140/RG.2.2.36769.51045. Please note the new edition of June 2019
Reiher, J. C., Giorgio, I., Bertram, A.: Finite-Element Analysis of Polyhedra under Point and Line Forces in Second-Strain Gradient Elasticity. J. Eng. Mech. 143,2 10.1061/(ASCE)EM.1943-7889.0001184, 04016112 (2017)
2016
A. Bertram: Magdeburger Vorlesungen zur Technischen Mechanik (2016)
A. Bertram: Formelsammlung zur Technischen Mechanik (2016)
R. Glüge, J. Kalisch, A. Bertram: The eigenmodes in isotropic strain gradient elasticity. In Generalized Continua as Models for Classical and Advanced Materials. Edts.
H. Altenbach, S. Forest. Springer-Verlag, 163-178 (2016)
A. Bertram: Finite gradient elasticity and plasticity: a constitutive thermodynamical framework. Continuum Mech. Thermodyn. 28, 869–883 (2016)
A. Bertram; R. Glüge: Gradient Materials with Internal Constraints. Mathematics and Mechanics of Complex Systems 4,1, 1–15, DOI: 10.2140/memocs.2016.4.1 (2016)
A. Bertram (edt.): Compendium on Gradient Materials, Otto-von-Guericke-Universität Magdeburg 2016, version Oct. 2016, 181 pages. Please note the new edition of June 2019
Bertram, A.; Glüge, R.: Gradient Materials with Internal Constraints. Mathematics and Mechanics of Complex Systems 4,1, 1–15, DOI: 10.2140/memocs.2016.4.1 (2016)
2015
A. Bertram (edt.): Compendium on Gradient Materials, Otto-von-Guericke-Universität Magdeburg 2015, version 15.10.2015, 134 pages. Please note the new edition of June 2019
S. Dodla, P. Thiem, M. Krüger, D. Dietrich, A. Bertram: Microstructure, flow behavior, and bulk texture evolution of cold drawn copper–silver composites, Journal of Alloys and Compounds, 647, 519–527 (2015)
A. Bertram, R. Glüge: Festkörpermechanik. Otto-von-Guericke-Universität Magdeburg 2015, 2.Version, 296 Seiten.A. Bertram, R. Glüge: Solid Mechanics. Theory, Modeling, and Problems. Springer-Verlag (2015) 330 Seiten www.springer.com/de/book/9783319195650
S. Dodla, A. Bertram, M. Krüger: Finite element simulation of lamellar copper–silver composites, Computational Materials Science 101 (2015) 29–38
A. Bertram: Finite gradient elasticity and plasticity: a constitutive mechanical framework, Continuum Mech. Thermodyn., 27,6, 1039-1058 (2015)
S. Roy, R. Glüge, A. Bertram: Microscale modelling of multiple and higher-order deformation twinning, Acta Mechanica, 226,2, 371-384 (2015)
2014
A. Bertram, S. Forest: The thermodynamics of gradient elastoplasticity, Continuum Mech. Thermodyn. 26, 269–286 (2014)
A. Bertram: On the History of Material Theory - A Critical Review, The History of Theoretical, Material and Computational Mechanics - Mathematics Meets Mechanics and Engineering, Lecture Notes in Applied Mathematics and Mechanics Volume 1, Editor: Erwin Stein, Springer, pp 119-131 (2014)
2013
A. Bertram.: The Mechanics and Thermodynamics of Finite Gradient Elasticity and Plasticity. Preprint Otto-von-Guericke Universität Magdeburg (2013)
J. Kalisch, A. Bertram: Fast Alternatives to Taylor and Sachs Models for Rigid Perfectly Viscoplastic Polycrystals, Technische Mechanik 33, 104-118 (2013)
Y. Schneider, A. Bertram, T. Böhlke: Three-dimensional Simulation of Local and Global Behaviour of aFe-Cu Composites under Large Plastic Deformation, Technische Mechanik 33,1, 34-51 (2013)
A. Bertram, R. Glüge: Festkörpermechanik. Otto-von-Guericke-Universität Magdeburg 2013. ca. 295 Seiten. Please note the new edition.
2012
P. Pavan Kumar, A.K. Nallathambi, E. Specht, A. Bertram: Mechanical behaviour of mushy zone in DC casting using a viscoplastic material model . Technische Mechanik 32,2, 342-357 (2012)
A. Bertram, A. Krawietz: On the introduction of thermoplasticity. Acta Mechanica 223,10, 2257-2268, (2012)
R. Glüge, M. Weber, A. Bertram: Comparison of spherical and cubical statistical volume elements with respect to convergence, anisotropy and localization behavior, Computational Materials Science, (2012), 63, 91-104
A. Bertram: Elasticity and Plasticity of Large Deformations , ca. 343 Seiten, Springer-Verlag, Berlin, (2005), 3. Auflage (2012)
2011
S. Forest, A. Bertram: Formulations of strain gradient plasticity. In: Mechanics of Generalized Continua. Hrg.: H. Altenbach, G. A. Maugin, V. Erofeev, Springer, Berlin, 137-149 (2011)
T. Hoffmann, A. Bertram, J. Z. Tischler, B. C. Larson: Crystal plasticity model validation by single-grain indentation tests, Proc. 10th Int. Conf. on Technology of Plasticity ICTP. Edts.
G. Hirt, A. E. Tekkaya. Aachen, 897-900 (2011)
M. Schurig, A. Bertram: The torsional buckling of a cruciform column under compressive load with a vertex plasticity model. Int. J. Solids Structures 48, 1-11 (2011)
2010
J. Kalisch, A. Bertram: On the evolution of the crystallographic texture of cubic polycrystals in coaxial processes. Int. J. Mater. Form, 3,1, 57-60 (2010)
T. Hoffmann, J. Kalisch, A. Bertram, S. Shim, J. Z. Tischler, H. Bei, B. C. Larson: Experimental identification and validation of models in micro and macro plasticity.Technische Mechanik 30,1-3, 136 – 145 (2010)
A. K. Nallathambi, Y. Kaymak, E. Specht, A. Bertram: Sensitivity of material properties on distortion and residual stresses during metal quensching processes. Journal of Materials Processing Techn. 210, 204-211 (2010)
Y. Schneider, A.Bertram, T. Böhlke, C. Hartig: Plastic deformation behaviour of Fe–Cu composites predicted by 3D finite element simulations, Computational Materials Science 48, 456–465 (2010)
R. Glüge, A. Bertram, T. Böhlke, E. Specht: A pseudoelastic model for mechanical twinning on the microscale, ZAMM 90,7-8, 1-30 (2010) / DOI 10.1002/zamm.200900339
2009
V. Schulze, A. Bertram, T. Böhlke, A. Krawietz: Texture-Based Modeling of Sheet Metal Forming and Springback, Technische Mechanik, 29,2, 135-159 (2009)
A. K. Nallathambi, E. Specht, A. Bertram:Computational aspects of temperature-based finite element technique for the phase-change heat conduction problem, Computational Materials Science 47, 332-341 (2009)
A.K. Nallathambi, Y. Kaymak, E. Specht, A. Bertram:Optimum strategies to reduce residual stresses and distortion during the metal quenching process, Journal of ASTM Int. 6,4 (2009)
R. Glüge, A. Bertram, T. Böhlke: A Pseudoelastic Model for Mechanical Twinning on the Microscale, Preprint Nr. 1/2009 der Fakultät für Maschinenbau der Otto-von-Guericke-Universität Magdeburg (2009)
2008
A. Bertram, J. Tomas (Edts.): Micro-Macro-Interactions in Structured Media and Particle Systems. Springer (2008)
A.K. Nallathambi, Y. Kaymak, E. Specht, A. Bertram: Distortion and residual stresses during metal quenching process, Micro-Macro-Interactions in Structured Media and Particle Systems. Hrg. A. Bertram,
J. Tomas. Springer, 145-157 (2008)A. Bertram, G. Risy, T. Böhlke: On Different Strategies for Micro-Macro Simulations of Metal Forming, Micro-Macro-Interactions in Structured Media and Particle Systems. Hrg. A. Bertram, J. Tomas. Springer, 33-40 (2008)
T. Böhlke, G. Risy, A. Bertram: Eine mikromechanische Interpretation der v. Mises-Hill´schen Fließbedingung. In: Umformtechnik im Spannungsfeld zwischen Plastomechanik und Werkstofftechnik. Hrg. K. Steinhoff, R. Kopp. GRIPS media, Bad Harzburg, 11-17 (2008)
T. Böhlke, G. Risy, A. Bertram: A micro-mechanically based quadratic yield condition for textured polychristals, ZAMM 88,5, 379-387 (2008)
V. Schulze, A. Bertram, T. Böhlke, A. Krawietz: Simulation of texture development in a deep drawing process, Micro-Macro-Interactions in Structured Media and Particle Systems. Hrg. A. Bertram, J. Tomas. Springer, 41-52 (2008)
Y. Schneider, T. Böhlke, A. Bertram, C. Hartig: Plastic Deformation Behaviour of Fe-Cu Composites, Micro-Macro-Interactions in Structured Media and Particle Systems. Hrg. A. Bertram, J. Tomas. Springer, 63-76 (2008)
C. Brüggemann, T. Böhlke, A. Bertram: Modelling and simulation of the Portevin-LeChatelier Effect, Micro-Macro-Interactions in Structured Media and Particle Systems. Hrg. A. Bertram, J. Tomas. Springer, 53-62 (2008)
2007
A. Bertram, S. Forest: Mechanics based on an Objective Power Functional. Techn. Mechanik 27,1, 1-17 (2007)
G. Risy, T. Böhlke, A. Bertram: A micro-mechanically based quadratic yield condition for textured polycrystals, Continuum Mechanics Preprint No 2, Institut für Technische Mechanik, Universität Karlsruhe (TH), 17 Seiten (2007)
G. Risy, T. Böhlke, A. Bertram: A micro-mechanically based quadratic yield condition for textured polycrystals, Continuum Mechanics Preprint No 2, Institut für Technische Mechanik, Universität Karlsruhe (TH), (2007)
A. Bertram, T. Böhlke, A. Krawietz, V. Schulze: Finite element simulation of sheet metal forming and springback using a crystal plasticity approach, In: Materials Processing and Design: Modeling, Simulation and Applications. NUMIFORM 2007. Porto 17.-21.6.07, Hrg. J. M. A. César de Sá, A. D. Santos, 769-773 (2007)
G. Risy, T. Böhlke, A. Bertram: Modelling of the plastic anisotropy in sheet metals on different scales, Proceedings of IMPLAST 2007, 21.-24. Aug. 2007 in Bochum, Hrg. O. T. Bruhns, A. Meyers, The University Press Bochum, 449-45 (2007)
R. Pietzsch, M. Brzoza, Y. Kaymak, E. Specht, A. Bertram: Simulation of the distortion of long steel profiles during cooling. Journal of Applied Mechanics 74,3, 427-437 (2007)
T.Böhlke, R. Glüge, B. Klöden, W. Skrotzki, A. Bertram: Finite element simulation of texture evolution and Swift effect in NiAl under torsion. Modelling and Simulation in Materials Science and Engineering 15, 619-637 (2007)
M. Schurig, A. Bertram, H. Petryk: Micromechanical analysis of the development of a yield vertex in polycrystal plasticity. Acta Mechanica 194, 141-158 (2007)
A. Bertram, T. Böhlke, M. Silhavy: On the rank 1 convexity of stored energy functions of physically linear stress-strain relations. Journal of Elasticity 86, 235-243 (2007)
2006
T. Böhlke, G. Risy, A. Bertram: Finite element simulation of metal forming operations with texture based material models. Mod. Sim. Mat. Sci. Engn 14, 365-387 (2006)
Y. Kaymak, E. Specht, A. Bertram:Reducing the residual stresses and distortion by controlled quenching, Proceedings of 15th IFHTSE 25.-29 Sept. 2006, Wien, 403-408 (2006)
R. Glüge, T. Böhlke, A. Bertram: Texture evolution and Swift effect in NiAl, PAMM 6, 477-478 (2006)
2005
T. Böhlke, G. Risy, A. Bertram: A texture based model for polycrystal plasticity. Materials Schience Forum 495-497, 1091-1096 (2005) ICOTOM 14
R. Pietzsch, M. Brzoza, Y. Kaymak, E. Specht, A. Bertram: Minimizing the distortion of steel profiles by controlled cooling. Steel Research Int. 76, 399-407 (2005)
T. Kletschkowski, U. Schomburg, A. Bertram: A rate-dependent endochronic approach to thermoplastic materials: temperature and filler volume fraction dependence. Mechanics of Materials 37,6, 687-704 (2005)
T. Böhlke, G. Risy, A. Bertram: A texture component model for anisotropic polycrystal plasticity. Computational Materials Science 32, 284-293 (2005)
T. Kletschkowski, U. Schomburg, A. Bertram: Computational analysis of PTFE shaft seals, Computational Materials Science 32, 392-399 (2005)
2004
A. Bertam, B. Svendsen: Reply to Rivlin's Material symmetry revisid or Much Ado About Nothing, GAMM-Mitt. 27, 1, 88-93 (2004)T. Kletschkowski, U. Schomburg, A. Bertram: Was können Stoffgesetze für PTFE-Werkstoffe heute leisten? Tagungsband des V. Harburger Dichtungstechnischen Kolloquiums Dynamische Dichtungen, TU Hamburg-Harburg, Artikel Nr. 18 (2004)T. Kletschkowski, U. Schomburg, A. Bertram: The influence of the filler volume fraction on the mechanical behaviour of thermoplastic materials, PAMM 4,1, 223-224 (2004)T. Kletschkowski, U. Schomburg, A. Bertram: An Endochronic Viscoplastic Approach for Materials with Different Behavior in Tension and Compression. Mechanics of Time-Dependet Materials 8, 119-135 (2004)
2003
T. Böhlke, A. Bertram: The Reuss Bound of the Strain Rate Potential of Viscoplatic FCC Polycrystals, Technische Mechanik, 23,2-4, 184-194 (2003)
A. Bertram:Finite thermoplasticity based on isomorphisms, Int. J. Plast. 19, 2027-2050 (2003)
T. Böhlke, A. Bertram: Crystallographic texture induced anisotropy in copper: An approach based on a tensorial Fourier expansion of the CODF, J. Phys. IV France 105, 167-174 (2003)
T. Böhlke, A. Bertram: Asymptotic values of elastic anisotropy in polycrystalline copper for uniaxial and compression, Computational Materials Science 26, 13-19 (2003)
T. Böhlke, A. Bertram, E. Krempl: Modeling of deformation induced anisotropy in free-end torsion, Int. J. Plast. 19, 1867-1884 (2003)
A. Bertam, T. Böhlke, Y. Estrin, W. Lenz: Effect of Geometric Nonlinearity on large Strain Deformation: a Case Study, Proceeding of the 9th International Conference on the Mechanical Behaviour of Materials (ICM9), Genf 2003M. Schurig, A. Bertram: A rate independent approach to crystal plasticity with a power law, Computational Materials Science 26, 154-158 (2003)
T. Kletschkowski, U. Schomburg, A. Bertram:Numerische Untersuchung von PTFE-Manschettendichtungen mit einem werkstoffgerechten Materialmodell, Tagungsband des XIII. Dichtungskolloquium in Münster, Untersuchung und Anwendung von Dichtelementen, Vulkan-Verlag Essen (2003) 160-173
T. Kletschkowski, U. Schomburg, A. Bertram: Numerical Investigations on the plastic Memory Effect of PTFE Compounds, PAMM 3, 202-203 (2003)
2002
T. Kletschkowski, U. Schomburg, A. Bertram: An inelastic material model for filled polytetrafluorethylen, Archive of Applied Mechanics 72, 293-299 (2002)
M. Schurig, A. Bertram: Computation of deformation textures in copper with equlibrium in small grain neighbourhoods,Computational Material Science 25, 193-199 (2002)
T. Böhlke, A. Bertram: On the Ellipticity of Finite Isotropic Linear Elastic Laws, Preprint Nr. 1, Otto-von-Guericke-Universität Magdeburg, 15 Seiten (2002)
T. Kletschkowski, U. Schomburg, A. Bertram:An endochronic viscoplastic material model for filled PFTFE, Plasticity, Damage and Fracture at Macro, Micro and Nano Scales. Proceedings of Plasticity '02. Hrg.: A. S. Khan, O. Lopez-Pamies. Neat Press, Fulton, 135-137 (2002)
2001
A. Bertram, B. Svendsen: On material objectivity and reduced constitutive equations, Archives of Mechanics 53,6, 653-675 (2001)
T. Kletschkowski, U. Schomburg, A. Bertram: Viskoplastische Materialmodellierung am Beispiel des Dichtungswerkstoffs Polytetrafluorethylen, Technische Mechanik 21,3, 227-241 (2001)
T. Böhlke, A. Bertram: Bounds for the geometric mean of 4th-order elasticity tensors with cubic symmetry, ZAMM, 81, S2, S333-S334 (2001)
T. Böhlke, A. Bertram: The 4th-order isotropic tensor function of a symmetric 2nd-oder tensor with applications to anisotropic elasto-plasticity, ZAMM, 81, S1, S125-S128 (2001)
T. Böhlke, A. Bertram: The evolution of Hooke's law due to texture development in polycrystals,Int. J. Sol. Struct., 38(52), 9437-9459 (2001)
T. Böhlke, A. Bertram: Isotropic orientation distributions of cubic crystals, J. Mech. Phys. Solids, 49(11), 2459-2470 (2001)
A. Bertram, J. Olschewski:A phenomenological anisotropic creep model for cubic single crystals, Handbook of Materials Behavior Models. Hrg.: J. Lemaitre. Academic Press. Bd. 1, 303-307 (2001)
2000
W. Qi, W. Brocks, A. Bertram: An FE-analysis of anisotropic creep damage and deformation in the singel crystal SRR99 under multiaxial loads, Computational Material Science 19,1-4, 292-297 (2000)
T. Böhlke, A. Bertram: A minimum problem defining effective isotropic elastic properties,ZAMM, 80,S2, S419-S420 (2000)
A. Bertram, T. Böhlke, N. Gaffke, B. Heiligers, R. Offinger: On the generation of discrete isotropic orientation distributions for linear elastic crystals, J. Elast., 58, 233-248 (2000)
1999
A. Bertram, T. Böhlke: Simulation of texture induced elastic anisotropy of polycrystalline copper, Computational Materials Science 16, 2-9 (1999)
T. Böhlke, A. Bertram: Simulations of texture induced elastic anisotropy, 4. Int. Conf. on Constitutive Laws for Engineering Materials. 27.-30.7.99 Troy, Hrg.: R. C. Picu, E. Krempl, 221-224 (1999)
A. Bertram: Materials with isomorphic elastic ranges – an approach to finite plasticity, 4. Int. Conf. on Constitutive Laws for Engineering Materials. 27.-30.7.99 Troy, Hrg.: R. C. Picu, E. Krempl, 164-167 (1999)
A. Bertram: The dissipation-inequality of rate-independent thermoplasticity, ZAMM 79, S195-S198, (1999), teilweise identisch mit 71T. Böhlke, A. Bertram: An isotropy condition for discrete sets of cubic single crystals, ZAMM 79, S447-448 (1999)
B. Svendsen, A. Bertram: On frame-indifference and form-invariance in constitutive theory, Acta Mech. 132, 195-207 (1999)
W. Qi, A. Bertram: Anisotropic continuum damage modelling for F.C.C.-single crystals at high temperatures, Int. J. Plasticity 15(11), 1197-1215 (1999)
A. Bertram, M. Kraska:Finite-element simulation of texture development in polycrystalline metals, ICOTOM 12, Hrg. J. A. Szpunar, NRC Research Press, Ottawa, 273-278 (1999)
A. Bertram: On general frameworks for material modeling, 4. Int. Conf. on Constitutive Laws for Engineering Materials. 27.-30.7.99 Troy, Hrg.: R. C. Picu, E. Krempl, 46-49 (1999)
A. Bertram, T. Böhlke:On the evolution of anisotropic elastic properties during metal forming, ICOTOM 12, Hrg. J. A. Szpunar, NRC Research Press, Ottawa, 535-540 (1999)
A. Bertram: An alternative approach to finite plasticity based on material isomorphisms, Int. J. Plast. 15,3, 353-374 (1999)
1998
T. Böhlke, A. Bertram:Generierung von Orientierungsverteilungen für RVE-Simulationsrechnungen, In: D. Besdo: Numerische Methoden der Plastomechanik. Inst. für Mechanik der Universität Hannover, 15-25 (1998)
W. Qi, A. Bertram: Damage modeling of the single crystal superalloy SRR99 under monotonous creep, Comp. Mat. Sci. 13, 132-141 (1998)
G. Stadie, A. Bertram: Characterization of anisotropic damage by simulation of a microstructure with voids, Proc. Euromech-Mecamat Mechanics of materials with intrinsic length scale, 23.-26.Febr. 1998, Magdeburg. Hrg.: A. Bertram, F. Sidoroff, S. Forest. 379-384 (1998)
W. Qi, A. Bertram: Damage Modeling of the single crystal superalloy SRR99 under monotonous creep, Computational Material Science 13, 132-141 (1998)
A. Bertram: An alternative approach to finite plasticity, Report IFME 98/3, Otto-von-Guericke-Universität Magdeburg (1998)
T. Böhlke, A. Bertram: Simulation of texture development and induced anisotropy of f.c.c. polycrystals, Modeling and Simulation based Engineering, Vol. II, Hrg. S. N. Atluri, P. E. O’Donoghue. Tech Science Press, 1390-1395 (1998)
A. Bertram, T. Böhlke, M. Kraska: Texture development of aluminum polycrystals under finite plastic deformations, Proceedings of the IUTAM Symp. "Micro- and Macrostructural Aspects of Thermoplasticity", Bochum (1997), Hrg. O. T. Bruhns, E. Stein, Kluwer Acad. Publ., Dordrecht 1998, 127-136.
ältere
A. Bertram, J. Olschewski:Computational modelling of anisotropic materials under creep conditions, Math. Modelling Sci. Comp. 5, 2-4, 100-109 (1995)
A. Bertram, W. Qi: Anisotropic continuum damage modelling for F.C.C.-single crystals at high temperatures, Finite Plastic and Viscoplastic Deformation. Proceedings of Plasticity ´97, 13.-18.7.1997, Juneau, Alaska. Hrg. A. S. Khan. S. 231-232 (1997)
A. Bertram, T. Böhlke, M. Kraska: Numerical simulation of texture development of polycrystals undergoing large plastic deformations, Proceedings of „Computational Plasticity - Fundamentals and Applications 5", 17.-20.3.1997, Hrg. D. R. J. Owen, E. Onate, E. Hinton, CIMNE, Barcelona, S. 895-900 (1997)
A. Bertram, T. Böhlke, M. Kraska: Numerical simulation of deformation induced ansiotropy of polycrystals, Comp. Mat. Sci. 9, 158-167 (1997)
T. Böhlke, M. Kraska, A. Bertram: Simulation der einfachen Scherung einer polykristallinen Aluminiumprobe, Technische Mechanik, Sonderheft, 47-54 (1997)
W. Qi, A. Bertram: Anisotropic creep damage modeling of single crystal superalloys,Technische Mechanik 17,4, 313-322 (1997)
A. Bertram, J. Olschewski: Anisotropic Creep Modelling of the Single Crystal Superalloy SRR99, Comp. Mat. Sci. 5, 12-16 (1996)
P. Portella, A. Bertram, E. Fahlbusch, H. Frenz, J. Kinder: Cyclic behavior of the single crystal superalloy SRR99 at 980 °C, Proceedings of Fatigue ´96. Berlin, 6.-10. Mai, Hrg. G. Lütjering, H. Nowack, 795-800 (1996)
A. Bertram, M. Kraska: Beschreibung finiter plastischer Deformationen von Einkristallen mittels materieller Isomorphismen, ZAMM 75, S179-S180 (1995)A. Bertram, M. Kraska: Determination of Finite Plastic Deformations in Single Crystals, Archives of Mechanics 47, 2, 203-222 (1995)
M. Kraska, F. Duderstadt, A. Bertram: Repräsentatives Volumenelement mit periodischen Randbedingungen auf FE-Basis zur Simulation des Verhaltens von Vielkristallen, Tagungsband vom 5. Workshop Numerische Methoden der Plastomechanik. Hrg.: D. Besdo. IfM, Universittät Hannover, 115-124 (1995)
A. Bertram, M. Kraska: Beschreibung finiter plastischer Deformationen von Einkristallen mittels materieller Isomorphismen, ZAMM 75, S179-S180 (1995)
P. D. Portella, J. Kinder, H. Frenz, A. Bertram: Cyclic creep behaviour of the single crystal superalloy SRR99 at 980 °C, Proc. of 4th European Conference on Advanced Materials and Processes, 25-28 Sept. 1995, Padua/Venedig, AIM/FMS, Symp. D,2, 249-254 (1995)
A. Bertram, M. Kraska: Description of finite plastic deformations in single crystals by material isomorphisms, Proceedings of IUTAM Symposium on Anisotropy, Inhomogeneity and Nonlinearity in Solid Mechanics, 30.8.-3.9.1994 Nottingham, Kluwer Academic Publ., Hrg. D. F. Parker, A. H. England, Dordrecht/ Boston/London, 77-90 (1995)
J. Han, A. Bertram, J. Olschewski, W. Hermann, H.-G. Sockel: Identification of elastic constants of alloys with sheet and fibre textures based on resonance measurements and finite element analysis, Comp. Mat. Sci. A191, 105-111 (1995)
A. Bertram, J. Han, J. Olschewski, H.-G. Sockel: Identification of Elastic Constants and Orientation of Single Crystals by Resonance Measurements and FE-Analysis, Special Issue of Int. J. Computer Appl. in Techn., 7, 3/4, 284-291 (1994)A. Bertram, J. Olschewski, R. Sievert: Experimental and numerical investigations of thermal-mechanical behaviour of poly- and single-crystalline nickel-base superalloys, Archives of Mechanics 46,4, 413-429 (1994)
A. Bertram, J. Olschewski, R. Sievert:Berechnung des inelastischen Verhaltens von Superlegierungen im Hochtemperaturbereich, VDI Berichte 1021 vom "Werkstofftag '93", VDI Verlag, Düsseldorf, 165-172 (1993)
J. Han, A. Bertram, J. Olschewski, W. Hermann, H.-G. Sockel:Identification of elastic constants of directionally solidified superalloys based on resonance measurements and FE-analysis, Proceedings of "Conference on Scientific and Engineering Computing for Young Chinese Scientists", Aug. 16-21, 1993, Beijing, China, 138-143 (1993)
A. Bertram: What is the generalconstitutive equation? Beiträge zur Mechanik, Hrg.: C. Alexandru et al., TU Berlin, 28-37 (1993)
A. Bertram, J.Olschewski: Zur Formulierung anisotroper linearer anelastischer Stoffgleichungen mit Hilfe einer Projektionsmethode, ZAMM 73, 4-5, T401-T403 (1993)
A. Bertram, P.D. Portella, C. Herzog: Modellierung des Kriechverhaltens und des Versagens von einkristallinen Superlegierungen, VGB-Konferenz "Restlebensdauer 1992" (6.-7. Juli 1992), Bd. 2, 24.1-24.10, Mannheim (1992)
A. Bertram: Kriechmodellierung und Lebensdauerermittlungbei Hochtemperaturlegierungen, Plastizitätstheorie IV, Heft 1/91, 51-67, TU Dresden (1991)
A. Bertram, J. Olschewski, M. Zelewski: Zur Problematik von Torsionsversuchen bei anisotropen Materialien, ZAMM 71,4, T387-T390 (1991)
A. Bertram, J. Olschewski, M. Zelewski, R. Sievert: Anisotropic creep modeling for f.c.c. single crystals, in: IUTAM Symp. "Creep in Structures IV" (Hrg.: Zyczkowski, M.) 29-36, Springer-Verlag (1991)
A. Bertram, J. Olschewski, M. Zelewski:Constitutive modeling of primary and secondary creep of single crystals at high temperatures, Advanced Materials and Processes. (Hrg.: H. E. Exner, V. Schumacher) Vol 1. 493-498. DGM Informationsgesellschaft Verlag. Oberursel (1990)
A. Bertram: Axiomatische Einführung in die Kontinuumsmechanik, BI-Wissenschaftsverlag. Mannheim, Wien, Zürich (1989) (beim Autor erhältlich)A. Bertram, R. Sampaio: A constitutive theory of frictional systems, in: Mechanik - Beiträge zu Theorie und Anwendungen. (Hrg.: A. Bertram, S. M. Nasseri, R. Sievert) 12-26 (1988)
A. Bertram: Symmetry properties of fourth-order tensors with applications in continuum mechanics, Investigaciones ciencias e ingenierias, Revista de la Universidad Industrial de Santander, 15,1, 41-55 (1985)
A. Bertram: An Axiomatic Approach to Classical Dynamics Based on an Objective Power Functional, Forschungsbericht Nr. 1, Hrg.: 2. Institut für Mechanik, TU Berlin (1983)
A. Bertram: Thermo-mechanical Constitutive Equations for the Description of Shape Memory Effects in Alloys, Nuclear Engng. Design, 74, 173 - 182 (1982)
A. Bertram: Material Systems - a Framework for the Description of Material Behavior, Arch. Rat. Mech. Anal., 80.2, 99 - 133 (1982)
A. Bertram: An Introduction of Internal Constraints in a Natural Way,ZAMM 60, T100-T101 (1980)