Dehm, G.; Inkson, B. J.; Wagner, T. A.: Growth and microstructural stability of epitaxial Al films on (0001) α-Al2O3 substrates. Acta Materialia 50 (20), pp. 5021 - 5032 (2002)
Inkson, B. J.; Dehm, G.; Wagner, T. A.: In-situ TEM observation of dislocation motion in thermally strained Al nanowires. Acta Materialia 50 (20), pp. 5033 - 5047 (2002)
Beschliesser, M.; Chatterjee, A.; Lorich, A.; Knabl, W.; Kestler, H.; Dehm, G.; Clemens, H.: Designed fully lamellar microstructures in a γ-TiAl based alloy: adjustment and microstructural changes upon long-term isothermal exposure at 700 and 800 degrees C. Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing 329-331, pp. 124 - 129 (2002)
Dehm, G.; Balk, T. J.; von Blanckenhagen, B.; Gumbsch, P.; Arzt, E.: Dislocation dynamics in sub-micron confinement: recent progress in Cu thin film plasticity. Zeitschrift für Metallkunde/Materials Research and Advanced Techniques 93 (5), pp. 383 - 391 (2002)
Schillinger, W.; Clemens, H.; Dehm, G.; Bartels, A.: Microstructural stability and creep behavior of a lamellar γ-TiAl based alloy with extremely fine lamellar spacing. Intermetallics 10 (5), pp. 459 - 466 (2002)
Bartels, A.; Clemens, H.; Dehm, G.; Lach, E.; Schillinger, W.: Strain rate dependence of the deformation mechanisms in a fully lamellar γ-TiAl-based alloy. Zeitschrift für Metallkunde/Materials Research and Advanced Techniques 93 (3), pp. 180 - 185 (2002)
Dehm, G.; Wagner, T. A.; Balk, T. J.; Arzt, E.; Inkson, B. J.: Plasticity and interfacial dislocation mechanisms in epitaxial and polycrystalline Al films constrained by substrates. Journal of Materials Science & Technology 18 (2), pp. 113 - 117 (2002)
Kobrinsky, M. J.; Dehm, G.; Thompson, C. L.; Arzt, E.: Effects of thickness on the characteristic length scale of dislocation plasticity in Ag thin films. Acta Materialia 49 (17), pp. 3597 - 3607 (2001)
Dehm, G.; Weiss, D.; Arzt, E.: In situ transmission electron microscopy study of thermal-stress-induced dislocations in a thin Cu film constrained by a Si substrate. Materials Science and Engineering A: Structural Materials Properties Microstructure and Processing 309-310, pp. 468 - 472 (2001)
Legros, M.; Dehm, G.; Keller-Flaig, R.-M.; Arzt, E.; Hemker, K. J.; Süresh, S.: Dynamic observation of Al thin films plastically strained in a TEM. Materials Science and Engineering A: Structural Materials Properties Microstructure and Processing 309-310, pp. 463 - 467 (2001)
Scheu, C.; Dehm, G.; Kaplan, W. D.: Equilibrium amorphous silicon-calcium-oxygen films at interfaces in copper-alumina composites prepared by melt infiltration. Journal of the American Ceramic Society 84 (3), pp. 623 - 630 (2001)
Zhang, D.; Dehm, G.; Clemens, H.: On the microstructural evolution and phase transformation in a high niobium containing γ-TiAl alloy. Zeitschrift für Metallkunde 91 (11), pp. 950 - 956 (2000)
Chatterjee, A.; Dehm, G.; Scheu, C.; Clemens, H.: Onset of microstructural instability in a fully lamellar Ti-46.5 at.% Al-4 al.% (Cr,Nb,Ta,B) alloy during short-term creep. Zeitschrift für Metallkunde/Materials Research and Advanced Techniques 91 (9), pp. 755 - 760 (2000)
Dehm, G.; Arzt, E.: In-situ transmission electron microscopy study of dislocations in a polycrystalline Cu thin film constrained by a substrate. Applied Physics Letters 77 (8), pp. 1126 - 1128 (2000)
International researcher team presents a novel microstructure design strategy for lean medium-manganese steels with optimized properties in the journal Science
Oxides find broad applications as catalysts or in electronic components, however are generally brittle materials where dislocations are difficult to activate in the covalent rigid lattice. Here, the link between plasticity and fracture is critical for wide-scale application of functional oxide materials.
The fracture toughness of AuXSnY intermetallic compounds is measured as it is crucial for the reliability of electronic chips in industrial applications.
In this project we work on correlative atomic structural and compositional investigations on Co and CoNi-based superalloys as a part of SFB/Transregio 103 project “Superalloy Single Crystals”. The task is to image the boron segregation at grain boundaries in the Co-9Al-9W-0.005B alloy.
This project aims to investigate the dynamic hardness of B2-iron aluminides at high strain rates using an in situ nanomechanical tester capable of indentation up to constant strain rates of up to 100000 s−1 and study the microstructure evolution across strain rate range.