Wanner_01

Prof. Dr. rer. nat. Alexander Wanner

  •   

Wissenschaftlicher Werdegang und Tätigkeiten

ab 06/2013 Vizepräsident für Lehre und akademische Angelegenheiten des KIT
10/2008 - 08/2012 Studiendekan und Vorsitzender des Promotionsausschusses der Fakultät für Maschinenbau
seit 2003 Professor für Werkstoffkunde an der Universität Karlsruhe (TH), Fakultät für Maschinenbau
2001 Forschungsaufenthalt an der Shanghai Jiao Tong University
auf Einladung des State Key Laboratory for Metal Matrix Composites, Shanghai, China
1998 "Eshbach Distinguished Visiting Scholar Award” der Eshbach Society, Evanston, Illinois

Forschungsaufenthalt an der Northwestern University, Evanston, IL., USA und an der Advanced Photon Source, Argonne National Laboratory, Argonne, IL., USA, als Stipendiat der Max Kade Foundation, New York
1996 - 2003 Akademischer Rat bzw. Oberrat am Institut für Metallkunde der Universität Stuttgart (Lehrstuhl Prof. Dr. E. Arzt)
1992 - 1995   Wissenschaftlicher Mitarbeiter am Max-Planck-Institut für Metallforschung, Stuttgart
1991 Promotion zum Dr.rer.nat. an der Fakultät für Chemie, Universität Stuttgart, über Struktur und Eigenschaften von keramischen Faserverbundwerkstoffen (Doktorvater: Prof. Dr. V. Gerold)
1988 - 1991 Wissenschaftlicher Mitarbeiter Doktorand am Institut für Metallkunde der Universität Stuttgart
1982 - 1988  Studium an der Universität Stuttgart
(Abschluss: Dipl-Ing. Metallkunde)

Forschungsfelder

  • Struktur-Eigenschafts-Beziehungen von Werkstoffen für den Leichtbau (Metallmatrix-Verbundwerkstoffe, Leichtmetalllegierungen, Metallschäume, keramische Verbundwerkstoffe),
  • Entstehung, Ermittlung und Bewertung von Eigenspannungen in Strukturwerkstoffen und maschinenbaulichen Bauteilen,
  • Entwicklung von Synchrotron-basierten Methoden zur Spannungs- und Phasenanalyse unter thermischer und mechanischer Beanspruchung
  • Entwicklung ultraschallspektroskopischer Methoden zur zerstörungsfreien Werkstoffcharakterisierung.

Veröffentlichungen


2022
Maurya, P.; Kota, N.; Gibmeier, J.; Wanner, A.; Roy, S. (2022). Review on study of internal load transfer in metal matrix composites using diffraction techniques. Materials Science and Engineering A, 840, Art.-Nr.: 142973. doi:10.1016/j.msea.2022.142973
2019
Roy, S.; Gibmeier, J.; Schell, K. G.; Bucharsky, E. C.; Weidenmann, K. A.; Wanner, A.; Hoffmann, M. J. (2019). Internal load transfer in an interpenetrating metal/ceramic composite material studied using energy dispersive synchrotron X-ray diffraction. Materials science and engineering / A, 753, 247–252. doi:10.1016/j.msea.2019.03.049
Roy, S.; Schell, K. G.; Bucharsky, E. C.; Weidenmann, K. A.; Wanner, A.; Hoffmann, M. J. (2019). Processing and characterization of elastic and thermal expansion behaviour of interpenetrating Al12Si/alumina composites. Materials science and engineering / A, 743, 339–348. doi:10.1016/j.msea.2018.11.100
2017
Kostov, V.; Gibmeier, J.; Wanner, A. (2017). Spatially resolved temporal stress evolution during laser surface spot hardening of steel. Journal of materials processing technology, 239, 326–335. doi:10.1016/j.jmatprotec.2016.08.035
2016
Reeb, A.; Wanner, A.; Weidenmann, K. A. (2016). Mechanical characterization and damage evolution of a Cu/SiC - Interpenetrating metal matrix composite manufactured by a squeeze-cast infiltration method. 17th European Conference on Composite Materials, München, Germany, 26. - 30. June, 2016, European Conference on Composite Materials.
2015
Kümmel, J.; Braun, D.; Gibmeier, J.; Schneider, J.; Greiner, C.; Schulze, V.; Wanner, A. (2015). Study on micro texturing of uncoated cemented carbide cutting tools for wear improvement and built-up edge stabilisation. Journal of Materials Processing Technology, 215, 62–70. doi:10.1016/j.jmatprotec.2014.07.032
2014
Kostov, V.; Gibmeier, J.; Wanner, A. (2014). Time-Resolved X-Ray Diffraction Stress Analysis during Laser Surface Hardening of Steel - Impact of the maximum process temperature. HTM - journal of heat treatment and materials, 69 (6), 360–367. doi:10.3139/105.110241
Kümmel, J.; Gibmeier, J.; Schulze, V.; Wanner, A. (2014). Effect of built-up edge formation on residual stresses induced by dry cutting of normalized steel. Advanced materials research, 996, 603–608. doi:10.4028/www.scientific.net/AMR.996.603
Kostov, V.; Gibmeier, J.; Lichtenberg, K.; Wanner, A. (2014). Effect of preloading on local residual stresses induced by laser surface hardening of steel. Advanced materials research, 996, 562–567. doi:10.4028/www.scientific.net/AMR.996.562
Malecki, A.; Potdevin, G.; Biernath, T.; Eggl, E.; Willer, K.; Lasser, T.; Maisenbacher, J.; Gibmeier, J.; Wanner, A.; Pfeiffer, F. (2014). X-ray tensor tomography. epl, 105 (3), 38002. doi:10.1209/0295-5075/105/38002
Kümmel, J.; Gibmeier, J.; Müller, E.; Schneider, R.; Schulze, V.; Wanner, A. (2014). Detailed analysis of microstructure of intentionally formed built-up edges for improving wear behaviour in dry metal cutting process of steel. Wear, 311 (1-2), 21–30. doi:10.1016/j.wear.2013.12.012
Kostov, V.; Gibmeier, J.; Wanner, A. (2014). Laser surface hardening of steel: Effect of process atmosphere on the microstructure and residual stresses. 6th International Conference on Mechanical Stress Evaluation by Neutrons and Synchrotron Radiation, MECA SENS VI 2011; Hamburg; Germany; 7 September 2011 - 9 September 2011. Ed.: H.G. Brokmeier, 149–153, Trans Tech Publications. doi:10.4028/www.scientific.net/MSF.772.149
Roy, S.; Gibmeier, J.; Kostov, V.; Weidenmann, K. A.; Nagel, A.; Wanner, A. (2014). Load partitioning study in a 3D interpenetrating AlSi12/Al2O3 metal/ceramic composite. Mechanical stress evaluation by neutrons and synchrotron radiation VI : selected, peer reviewed papers from the 6th International Conference on Mechanical Stress Evaluation by Neutrons and Synchrotron Radiation (MECA SENS VI 2011), September 7-9, 2011, Hamburg, Germany. Ed.: H.G. Brokmeier, 103–107, Trans Tech Publications. doi:10.4028/www.scientific.net/MSF.772.103
2013
Roy, S.; Albrecht, P.; Przybilla, L.; Weidenmann, K. A.; Heilmaier, M.; Wanner, A. (2013). Effect of Phase Architecture on the Thermal Expansion Behavior of Interpenetrating Metal/Ceramic Composites. Processing and Properties of Advanced Ceramics and Composites V, 33–43, John Wiley and Sons. doi:10.1002/9781118744109.ch4
Sinchuk, Y.; Roy, S.; Gibmeier, J.; Piat, R.; Wanner, A. (2013). Numerical study of internal load transfer in metal/ceramic composites based on freeze-cast ceramic preforms and experimental validation. Materials Science and Engineering A, 585, 10–16. doi:10.1016/j.msea.2013.07.022
Kümmel, J.; Gibmeier, J.; Müller, E.; Schneider, R.; Schulze, V.; Wanner, A. (2013). Effect of built-up edges and transfer layers on the wear state during dry cutting of steel with cemented carbide tools. Proceedings. WTC V. 5th World Tribology Congress, Torino, September 8-13, 2013.
Roy, S.; Schell, K. G.; Bucharsky, E. C.; Weidenmann, K. A.; Wanner, A.; Hoffmann, M. J. (2013). Characterization of Elastic Properties in Porous Silicon Carbide Preforms Fabricated Using Polymer Waxes as Pore Formers. Journal of the American Ceramic Society, 96 (7), 2269–2275. doi:10.1111/jace.12341
2012
Ohl, A.; Kümmel, J.; Poser, K.; Schulze, V.; Wanner, A. (2012). Metallographische Untersuchung von Randschichten bei der Zerspanung von normalisierten C45E Stahl mit Hartmetallwerkzeugen. Fortschritte in der Metallographie. Hrsg.: O. Keßler, 319–324, Deutsche Gesellschaft für Materialkunde e.V. (DGM).
Siddhartha, R.; Gibmeier, J.; Weidenmann, K. A.; Wanner, A. (2012). Mechanical properties of innovative metal/ceramic composites based on freeze-cast ceramic preforms. Materials Challenges and Testing for Supply of Energy and Resources. Ed.: T. Böllinghaus, 213–220, Springer-Verlag. doi:10.1007/978-3-642-23348-7_19
Roy, S.; Schell, K. G.; Bucharsky, E. C.; Hettich, P.; Dietrich, S.; Weidenmann, K. A.; Wanner, A.; Hoffmann, M. J. (2012). Processing and non-destructive characterisation of porous silicone carbide preforms for metall/ceramic composite fabrication. CELLMAT 2012: Proceedings of the Conference on Cellular Materials, Dresden, November 7-9, 2012, 1 CD-Rom, Dresden.
Roy, S.; Gibmeier, J.; Kostov, V.; Weidenmann, K. A.; Nagel, A.; Wanner, A. (2012). Internal load transfer and damage evolution in a 3D interpenetrating metal/ceramic composite. Materials Science and Engineering A, 551, 272–279. doi:10.1016/j.msea.2012.05.016
Roy, S.; Schell, K. G.; Bucharsky, E. C.; Hettlich, P.; Dietrich, S.; Weidenmann, K. A.; Wanner, A.; Hoffman, M. J. (2012). Processing and Elastic Property Characterization of Porous SiC Preform for Interpenetrating Metal/Ceramic Composites. Journal of the American Ceramic Society, 95 (10), 3078–3083. doi:10.1111/j.1551-2916.2012.05347.x
Kostov, V.; Gibmeier, J.; Wilde, F.; Staron, P.; Rössler, R.; Wanner, A. (2012). Fast in situ phase and stress analysis during laser surface treatment: A synchrotron x-ray diffraction approach. AIP Review of Scientific Instruments, 83 (11), 115101/1–11. doi:10.1063/1.4764532
Strauß, T.; Meier, H.; Gibmeier, J.; Schulze, V.; Wanner, A. (2012). Local residual stress distribution at the tooth root surface of a broached steel component. Materials Science Forum, 706-709 (2012), 1731–1736. doi:10.4028/www.scientific.net/MSF.706-709.1731
Dietrich, S.; Gebert, J. M.; Stasiuk, G.; Wanner, A.; Weidenmann, K. A.; Deutschmann, O.; Tsukrov, I.; Piat, R. (2012). Microstructure Characterization of CVI-Densified Carbon/Carbon Composites with Various Fiber Distributions. Composites science and technology, 72 (15), 1892–1900. doi:10.1016/j.compscitech.2012.08.009
Strauß, T.; Gibmeier, J.; Wanner, A. (2012). Local analysis of process induced residual stress distributions for complex geometries - example: internal gearing of a gearshift sleeve. Proceedings of the Summer School 2011. Graduate School 1483. Process Chains in Production: Interaction, Modelling and Assessment of Process Zones. Ed.: R. Pabst, 33–36, KIT Scientific Publishing.
2011
Merzkirch, M.; Reeb, A.; Weidenmann, K. A.; Wanner, A.; Schulze, V. (2011). Acoustic Emission Response Of Reinforced Lightweight Metal Matrix Composites During Tensile And Cyclic Loading. Journal of Acoustic Emission, 29, 317–328.
Roy, S.; Gibmeier, J.; Kostov, V.; Weidenmann, K. A.; Nagel, A.; Wanner, A. (2011). Internal load transfer in a metal matrix composite with a three-dimensional interpenetrating structure. Acta Materialia, 59 (4), 1424–1435. doi:10.1016/j.actamat.2010.11.004
Weidenmann, K. A.; Wanner, A. (2011). Werkstoffauswahl für den Leichtbau. Handbuch Leichtbau: Methoden, Werkstoffe, Fertigung. Hrsg.: F. Henning, 161–190, Carl Hanser Verlag.
Altenkirch, J.; Gibmeier, J.; Kostov, V.; Kromm, A.; Kannengiesser, T.; Doyle, S.; Wanner, A. (2011). Time- and temperature-resolved synchrotron X-ray diffraction: observation of phase transformation and strain evolution in novel low temperature transformation weld filler materials. The journal of strain analysis for engineering design, 46 (7), 563–579. doi:10.1177/0309324711413190
Roy, S.; Stoll, O.; Weidenmann, K. A.; Nagel, A.; Wanner, A. (2011). Elastic properties of an interpenetrating metal matrix composite. Tagungsband zum 18. Symposium Verbundwerkstoffe und Werkstoffverbunde - Chemnitz, 30.03. bis 01.04.2011. Hrsg.: B. Wielage, 139–144, TU Chemnitz.
Roy, S.; Gebert, J.-M.; Stasiuk, G.; Piat, R.; Weidenmann, K. A.; Wanner, A. (2011). Complete determination of elastic moduli of interpenetrating metal/ceramic composites using ultrasonic techniques and micromechanical modelling. Materials Science and Engineering: A, 528 (28), 8226–8235. doi:10.1016/j.msea.2011.07.029
Sinchuk, Y.; Piat, R.; Roy, S.; Gibmeier, J.; Wanner, A. (2011). Inelastic behavior of the single domain of metal-ceramic composites with lamellar microstructure. Proceedings in applied mathematics and mechanics, 11 (1), 285–286. doi:10.1002/pamm.201110134
Roy, S.; Wanner, A.; Beck, T.; Studnitzky, T.; Stephani, G. (2011). Mechanical properties of cellular solids produced from hollow stainless steel spheres. Journal of Materials Science, 46 (16), 5519–5526. doi:10.1007/s10853-011-5496-6
Roy, S.; Stoll, O.; Weidenmann, K. A.; Nagel, A.; Wanner, A. (2011). Analysis of the elastic properties of an interpenetrating AlSi12-Al2O3 composite using ultrasound phase spectroscopy. Composites Science and Technology, 71 (7), 962–968. doi:10.1016/j.compscitech.2011.02.014
Rögner, J.; Müller, M.; Maisenbacher, J.; Lang, K.-H.; Kraft, O.; Wanner, A.; Schulze, V. (2011). Prozess-Gefüge-Eigenschaftsbeziehungen urgeformter Mikroproben aus Siliziumnitrid. Kolloquium Mikroproduktion und Abschlusskolloquium SFB 499, 11. - 12. Oktober 2011, Karlsruhe. Hrsg.: O. Kraft, 49–56, KIT Scientific Publishing.
2010
Eswara Prasad, N.; Vogt, D.; Bidlingmaier, T.; Wanner, A.; Arzt, E. (2010). Low cycle fatigue and creep–fatigue interaction in short fibre reinforced aluminium alloy composite. Materials Science and Technology, 26 (11), 1363–1372. doi:10.1179/026708309X12506933873620
Okolo, B.; Rögner, J.; Kerscher, E.; Beck, T.; Schulze, V.; Wanner, A.; Löhe, D. (2010). Size Effects in Aluminium Bronze Cast Specimens. Smart systems integration and reliability: honorary volume on the occasion of Herbert Reichl’s 65th birthday. Ed.: B. Michel, 740–747, Goldenbogen.
Wanner, A. (2010). Minimum-weight materials selection for limited available space. Materials and Design, 31 (6), 2834–2839. doi:10.1016/j.matdes.2009.12.052
Piat, R.; Stasiuk, G.; Böhlke, T.; Gebert, J.-M.; Dietrich, S.; Wanner, A.; Tsukrov, I.; Deutschmann, O.; Gross, T. (2010). Influence of the preform architecture on the effective elastic material properties of carbon/carbon composites. ECCM 2010: IV European Conference on Computational Mechanics - Solids, Structures and Coupled Problems in Engineering, Paris, France, May 16-21, 2010, 1 CD-Rom.
Gebert, J. M.; Reznik, B.; Piat, R.; Viering, B.; Weidenmann, K.; Wanner, A.; Deutschmann, O. (2010). Elastic constants of high-texture pyrolytic carbon measured by ultrasound phase spectroscopy. Carbon, 48 (12), 3647–3650. doi:10.1016/j.carbon.2010.06.002
Piat, R.; Dietrich, S.; Gebert, J.-M.; Stasiuk, G.; Weidenmann, K.; Wanner, A.; Böhlke, T.; Drach, B.; Tsukrov, I.; Bussiba, A. (2010). Micromechanical Modeling of CFCs Using Different Pore Approximations. High temperature ceramic materials and composites - Proceedings 7th International Conference on High Temperature Ceramic Matrix Composites (HT-CMC 7), Bayreuth, Germany, September 20-22, 2010. Ed.: W. Krenkel, 590–597, AVISO Verl.-Ges.
Piat, R.; Roy, S.; Wanner, A. (2010). Material parameter identification of interpenetrating metal-ceramic composites. Key Engineering Materials, 417-418, 53–56. doi:10.4028/www.scientific.net/KEM.417-418.53
2009
Brandl, E.; Malke, R.; Beck, T.; Wanner, A.; Hack, T. (2009). Stress corrosion cracking and selective corrosion of copper‐zinc alloys for the drinking water installation. Materials and Corrosion, 60 (4), 251–258. doi:10.1002/maco.200805079
Kasanická, B.; Okolo, B.; Baumeister, G.; Auhorn, M.; Beck, T.; Wanner, A.; Haußelt, J.; Löhe, D.; Schulze, V. (2009). On the relationship between microcasting process, material states and mechanical properties in the gold alloy Stabilor® G. Materials science and engineering / A, 501 (1/2), 70–80. doi:10.1016/j.msea.2008.09.070
Klaska, A. M.; Beck, T.; Wanner, A.; Löhe, D. (2009). Residual stress and damage development in the aluminium alloy EN AW-6061 particle reinforced with Al2O3 under thermal fatigue loading. Materials Science and Engineering: A, 501 (1-2), 6–15. doi:10.1016/j.msea.2008.10.009
Rögner, J.; Okolo, B.; Schneider, J.; Lang, K.-H.; Wanner, A.; Schulze, V. (2009). Charakterisierung und Prüfung von Mikrobauteilen. 4. Kolloquium Mikroproduktion - Beiträge der vier SFB der Mikrotechnik, Bremen, 28. - 29. Oktober 2009. Hrsg.: F. Vollertsen, 105–110, BIAS.
Roy, S.; Gibmeier, J.; Wanner, A. (2009). Residual stresses in novel metal/ceramic composites exhibiting a lamellar microstructure. Powder Diffraction, Suppl. 24 (S1), 59–66.
Ziegler, T.; Neubrand, A.; Roy, S.; Wanner, A.; Piat, R. (2009). Elastic constants of metal/ceramic composites with lamellar microstructures: Finite element modelling and ultrasonic experiments. Composites science and technology, 69 (5), 620–626.
2008
Erbacher, T.; Wanner, A.; Beck, T.; Vöhringer, O. (2008). X-ray diffraction at constant penetration depth – a viable approach for characterizing steep residual stress gradients. Journal of Applied Crystallography, 41 (2), 377–385. doi:10.1107/S0021889807066836
Roy, S.; Wanner, A. (2008). Metal/ceramic composites from freeze-cast ceramic preforms: Domain structure and elastic properties. Composites science and technology, 68 (5), 1136–1143.
Kienzler, A.; Okolo, B.; Wanner, A.; Schulze, V.; Löhe, D. (2008). A Reliable Tool for the Improvement of Micro Powder Injection Moulds Made of Steel. Advanced engineering materials, 10 (7), 661–665.
Erbacher, T.; Wanner, A. (2008). X-ray analysis of steep residual stress gradients: The 2θ-derivative method. International journal of materials research, 99 (10), 1071–1078.
Rossoll, A.; Otto, C.; Moser, B.; Weber, L.; Wanner, A.; Mortensen, A. (2008). Measurement of damage evolution in continuous ceramic fibre-reinforced metals by acoustic emission. Scripta materialia, 59 (8), 842–845.
Gruber, P. A.; Böhm, J.; Onuseit, F.; Wanner, A.; Spolenak, R.; Arzt, E. (2008). Size effects on yield strength and strain hardening for ultra-thin Cu films with and without passivation: A study by synchrotron and bulge test techniques. Acta materialia, 56 (10), 2318–2335.
Gebert, J.-M.; Wanner, A.; Piat, R.; Guichard, M.; Rieck, S.; Paluszynski, B.; Bohlke, T. (2008). Application of the micro-computed tomography for analyses of the mechanical behavior of brittle porous materials. Mechanics of advanced materials and structures, 15 (6), 467–473.
2007
Garces, G.; Bruno, G.; Wanner, A. (2007). Load transfer in short fibre reinforced metal matrix composites. Acta materialia, 55 (16), 5389–5400.
Schulte-Fischedick, J.; Seiz, S.; Lützenburger, N.; Wanner, A.; Voggenreiter, H. (2007). The crack development on the micro- and mesoscopic scale during the pyrolysis of carbon fibre reinforced plastics to carbon/carbon composites. Composites / Part A, 38 (10), 2171–2181.
Okolo, B.; Pérez-Willard, F.; Hawecker, J.; Gerthsen, D.; Wanner, A. (2007). Focused Ion Beam Study of the Effects of Shot Peening on the Subsurface Microstructure of Normalised Pearlitic Steel. Journal of materials processing technology, 183 (2-3), 160–164.
2006
Okolo, B.; Wanner, A. (2006). Grinding-induced microstructural gradients and residual stresses in the surface layers of carbon steel and pure tungsten. International journal of materials research, 97 (10), 1415–1424.
Garces, G.; Bruno, G.; Wanner, A. (2006). Residual stresses in random-planar aluminium/Saffil® short fibre composites deformed in different loading modes. International journal of materials research, 97 (10), 1312–1319.
Garces, G.; Bruno, G.; Wanner, A. (2006). Residual Stresses in Deformed Random-planar Aluminium/Saffil® Short Fibre Composites. Materials Science and Engineering: A, 417 (1-2), 73–81.
Garces, G.; Bruno, G.; Wanner, A. (2006). Internal Stress Evolution in a Random-planar Short Fibre Aluminium Composite. Scripta materialia, 55 (2), 163–166.
Merkel, J.; Schulze, V.; Wanner, A.; Löhe, D.; Vöhringer, O. (2006). Stability of residual stresses in longitudinally and transversally deep rolled sintered iron under quasistatic and cyclic loading. International journal of materials research, 97 (10), 1304–1311.
2005
Gebert, J.-M.; Wanner, A. (2005). Intrinsische Risse und Poren in CVI-CFC-Laminatwerkstoffen. Ceramic forum international, 82, 55–60.
Mohrdieck, C.; Wanner, A.; Roos, W.; Roos, A.; Roth, A.; Sackmann, E.; Spatz, J. P.; Arzt, E. (2005). A theoretical description of elastic pillar substrates in biophysical experiments. ChemPhysChem, 6 (8), 1492–1498.
Sonnweber-Ribic, P.; Wanner, A.; Roser, M.; Weingart, D.; Arzt, E. (2005). Fatigue failure of titanium implants for mandibular reconstruction. International journal of materials research, 96 (8), 894–901. doi:10.3139/ijmr-2005-0155
2004
Böhm, J.; Gruber, P.; Spolenak, R.; Stierle, A.; Wanner, A.; Arzt, E. (2004). Tensile Testing of Ultrathin Polycrystalline Films: A New Synchrotron-based Technique. Review of scientific instruments, 75 (4), 1110–1119.