Igor Altenberger, PhD

Lawrence Berkeley National Laboratory
1 Cyclotron Road, MS 62-203
University of California
Berkeley, CA 94720
Telephone: (510)-486-5946
Fax: (510)-486-4995
E-Mail:I_Altenberger@lbl.gov
 

Education

Since 6/2000 Postdoc at the LBNL
9/1999-4/2000 Postdoc at the Institute of Materials Technology, University Gh Kassel, Germany
University Gh Kassel, Institute of Materials Technology, Germany
PhD in Mechanical Engineering and Materials Technology, Sept. 1999
Friedrich-Alexander University of Erlangen-Nürnberg, Germany
M.S. in Materials Science, April 1994
 

Skills

Microanalytical Methods: Electron Microscopy (SEM, TEM), Atomic Force Microscopy, Scanning Tunneling Microscopy, EDA (Energy dispersive
analysis),
WDA (wavelength dispersive analysis), Metallography, Light Microscopy
EBSD (Electron Backscattering Diffraction)
Mechanical Testing: Servohydraulic Fatigue Testing, Microhardness Testing
X-ray-methods: Residual stress analysis, phase analysis, structure analysis, texture analysis, profile analysis (Warren-Averbach, dislocation density
determination)
 

Publications

[1] S. Kraft, I. Altenberger, H. Mughrabi, Thermomechanische Ermüdung der einkristallinen Gasturbinen-Nickelbasissuperlegierung CMSX-6 (In
German), DGM-Hauptversammlung, Göttingen, 1994, p. 132.

[2] S. Kraft, I. Altenberger, H. Mughrabi, Directional coarsening in a mono-crystalline Nickel-base superalloy during low-cycle thermomechanical
fatigue, Scripta Metallurgica et Materialia 32 (1995), p. 411.

[3] U. Martin, I. Altenberger, B. Scholtes, K. Kremmer, H. Oettel, Characterization of the defect depth profile of shot peened steels by transmission
electron microscopy, Proc. 6th Int. Conf. On Shot Peening (Ed. J. Champaigne), San Francisco 1996, p. 142.

[4] I. Altenberger, B. Scholtes, U. Martin, K. Kremmer, H. Oettel, Mikrostruktur und Wechselverformungsverhalten mechanisch
randschichtverfestigter Stähle (In German), DGM-Hauptversammlung, Braunschweig, 1997, p. 55.

[5] U. Martin, I. Altenberger, B. Scholtes, K. Kremmer, H. Oettel, Cyclic Deformation and near surface microstructures of
normalized shot peened steel SAE 1045, Materials Science and Engineering 246 A (1998), p. 69.

[6] U. Martin, I. Altenberger, K. Kremmer, B. Scholtes, H. Oettel, Charakterisierung des Mikrostruktur-Tiefenprofils
kugelgestrahlter Stähle (In German), Praktische Metallographie 35 (1998), p. 327.

[7] I. Altenberger, B. Scholtes, U. Martin, H. Oettel, Mikrostruktur und Wechselverformungsverhalten des mechanisch
randschichtverfestigten Stahls Ck 45 (In German), Härtereitechnische Mitteilungen 53 (1998), p. 395.

[8] I. Altenberger, S. Jägg, B. Scholtes, Einfluss mechanischer Ober- flaechenbearbeitungen auf das
Wechselverformungsverhalten der Magnesiumbasislegierung AZ 31 (In German), In: Werkstoffprüfung 1998, DVM, Bad
Nauheim, 1998, p. 55.

[9] I. Altenberger, B. Scholtes, U. Martin, H. Oettel, Cyclic deformation and near surface microstructures of shot peened or deep
rolled austenitic stainless steel AISI 304, Materials Science and Engineering 264 A (1999), p. 1.

[10] I. Altenberger, U. Martin, B. Scholtes, H. Oettel, Near surface micro- structures in mechanically surface treated materials and
their consequences on cyclic deformation behaviour, Proc. 7th Int. Conf. On Shot Peening, (Ed. A. Nakonieczny), Warsaw, 1999, p.79
 
[11] I. Altenberger, B. Scholtes, Improvement of fatigue lifetime of mechani- cally surface treated materials in the low cycle fatigue
regime, In: Surface Treatment IV (Eds. J. Kenny, S. Brebbia), Southampton, WIT press, 1999, p. 281.

[12] I. Altenberger, B. Scholtes, Improvement of fatigue behaviour, of mechanically surface treated materials by annealing, Scripta
Materialia 41 (1999), p. 873.

[13] I. Altenberger, B. Scholtes, Recent developments in mechanical surface optimization, Materials Science Forum (Proc. 5th
European Conf. On Residual Stresses, Delft, 1999), 2000, in press.

[14] I. Altenberger, Mikrostrukturelle Untersuchungen mechanisch rand-schichtverfestigter Bereiche schwingend beanspruchter
metallischer Werkstoffe (In German), In: Forschungsberichte aus dem Institut für Werkstofftechnik der Universität GH Kassel
(Ed.: B. Scholtes), Kassel, 2000.

[15] G. Zöltzer, I. Altenberger, B. Scholtes, Einfluss von Eigenspannungen aud die Mikrohärte überelastisch gebogener
C80-Proben (In German), Materialprüfung, 2000, in press.

[16] B. Scholtes, I. Altenberger, U. Noster, Cyclic deformation behaviour of mechanically surface treated materials, Proc.
THERMEC 2000, Las Vegas, 2000, in press.

[17] J. Nobre, U. Noster, J. Gibmeier, I. Altenberger, M. Kornmeier, A. Dias, B. Scholtes, Mechanical Behavior and Residual
stresses in AZ31 Wrought Magnesium Alloy Subjected to Four Point Bending, In: Proc. Conf. Magnesium Alloys and their
Applications, Munich 2000, in press.

[18] U. Noster, I. Altenberger, B. Scholtes, Isothermal Fatigue of Magnesium Wrought Alloy AZ 31, In: Proc. Conf. Magnesium
Alloys and their Applications, Munich, 2000, in press.
 

Awards

Young Researcher `s Award of the DGM 1998 (German Society for Materials Science)
Humorous Metallography 1997
 

Interests

Jogging, reading, progressive music (King Crimson, Genesis, Yes, Cream), cinema (classic horror movies), history, chess, electric bass,
English humour (monty python)