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Size-dependent plasticity and activation parameters of lithographically-produced silicon micropillars
Chen, M., Wehrs, J., Sologubenko, A. S., Rabier, J., Michler, J., & Wheeler, J. M. (2020). Size-dependent plasticity and activation parameters of lithographically-produced silicon micropillars. Materials and Design, 189, 108506 (13 pp.). https://doi.org/10.1016/j.matdes.2020.108506
High temperature fracture toughness of ceramic coatings evaluated using micro-pillar splitting
Best, J. P., Wehrs, J., Polyakov, M., Morstein, M., & Michler, J. (2019). High temperature fracture toughness of ceramic coatings evaluated using micro-pillar splitting. Scripta Materialia, 162, 190-194. https://doi.org/10.1016/j.scriptamat.2018.11.013
Anomalous slip of ZrB<sub>2</sub> ceramic grains during in-situ micropillar compression up to 500 °C
Csanádi, T., Wehrs, J., Grasso, S., Reece, M., Michler, J., & Dusza, J. (2019). Anomalous slip of ZrB2 ceramic grains during in-situ micropillar compression up to 500 °C. International Journal of Refractory Metals and Hard Materials, 80, 270-276. https://doi.org/10.1016/j.ijrmhm.2019.01.021
Determination of the true projected contact area by in situ indentation testing
Guillonneau, G., Wheeler, J. M., Wehrs, J., Philippe, L., Baral, P., Höppel, H. W., … Michler, J. (2019). Determination of the true projected contact area by in situ indentation testing. Journal of Materials Research, 34(16), 2859-2868. https://doi.org/10.1557/jmr.2019.236
Microstructure-driven strengthening of TiB<sub>2</sub> coatings deposited by pulsed magnetron sputtering
Polyakov, M. N., Morstein, M., Maeder, X., Nelis, T., Lundin, D., Wehrs, J., … Michler, J. (2019). Microstructure-driven strengthening of TiB2 coatings deposited by pulsed magnetron sputtering. Surface and Coatings Technology, 368, 88-96. https://doi.org/10.1016/j.surfcoat.2019.04.042
Elevated and cryogenic temperature micropillar compression of magnesium–niobium multilayer films
Thomas, K., Mohanty, G., Wehrs, J., Taylor, A. A., Pathak, S., Casari, D., … Michler, J. (2019). Elevated and cryogenic temperature micropillar compression of magnesium–niobium multilayer films. Journal of Materials Science, 54(15), 10884-10901. https://doi.org/10.1007/s10853-019-03422-x
Ni nanocluster composites for enhanced impact resistance of multilayered arc-PVD ceramic coatings
Best, J. P., Polyakov, M., Shinde, D., Hörnqvist Colliander, M., Wehrs, J., Michler, J., & Morstein, M. (2018). Ni nanocluster composites for enhanced impact resistance of multilayered arc-PVD ceramic coatings. Surface and Coatings Technology, 354, 360-368. https://doi.org/10.1016/j.surfcoat.2018.07.102
Nanomechanical testing at high strain rates: new instrumentation for nanoindentation and microcompression
Guillonneau, G., Mieszala, M., Wehrs, J., Schwiedrzik, J., Grop, S., Frey, D., … Wheeler, J. M. (2018). Nanomechanical testing at high strain rates: new instrumentation for nanoindentation and microcompression. Materials and Design, 148, 39-48. https://doi.org/10.1016/j.matdes.2018.03.050
Reversible, high temperature softening of plasma-nitrided hot-working steel studied using <I>in situ</I> micro-pillar compression
Best, J. P., Wehrs, J., Maeder, X., Zechner, J., Wheeler, J. M., Schär, T., … Michler, J. (2017). Reversible, high temperature softening of plasma-nitrided hot-working steel studied using in situ micro-pillar compression. Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing, 680, 433-436. https://doi.org/10.1016/j.msea.2016.11.003
In situ micromechanical testing inside the scanning electron microscope at subambient temperatures
Schwiedrzik, J., Wehrs, J., Deckarm, M., Birringer, R., & Michler, J. (2017). In situ micromechanical testing inside the scanning electron microscope at subambient temperatures. Presented at the ECI Nanomechanical testing in materials research and development VI. Dubrovnik, Croatia.
Brittle to ductile transition of tribomaterial in relation to wear response at high temperatures
Viat, A., Guillonneau, G., Fouvry, S., Kermouche, G., Sao Joao, S., Wehrs, J., … Henne, J. F. (2017). Brittle to ductile transition of tribomaterial in relation to wear response at high temperatures. Wear, 392-393, 60-68. https://doi.org/10.1016/j.wear.2017.09.015
Investigation of the deformation behavior of aluminum micropillars produced by focused ion beam machining using Ga and Xe ions
Xiao, Y., Wehrs, J., Ma, H., Al-Samman, T., Korte-Kerzel, S., Göken, M., … Wheeler, J. M. (2017). Investigation of the deformation behavior of aluminum micropillars produced by focused ion beam machining using Ga and Xe ions. Scripta Materialia, 127, 191-194. https://doi.org/10.1016/j.scriptamat.2016.08.028
A comparison of three different notching ions for small-scale fracture toughness measurement
Best, J. P., Zechner, J., Shorubalko, I., Oboňa, J. V., Wehrs, J., Morstein, M., & Michler, J. (2016). A comparison of three different notching ions for small-scale fracture toughness measurement. Scripta Materialia, 112, 71-74. https://doi.org/10.1016/j.scriptamat.2015.09.014
High-temperature in situ deformation of GaAs micro-pillars: lithography versus FIB machining
Chen, M., Wehrs, J., Michler, J., & Wheeler, J. M. (2016). High-temperature in situ deformation of GaAs micro-pillars: lithography versus FIB machining. JOM: Journal of the Minerals, Metals and Materials Society, 68(11), 2761-2767. https://doi.org/10.1007/s11837-016-2106-8
Microscale fracture behavior of single crystal silicon beams at elevated temperatures
Jaya, B. N., Wheeler, J. M., Wehrs, J., Best, J. P., Soler, R., Michler, J., … Dehm, G. (2016). Microscale fracture behavior of single crystal silicon beams at elevated temperatures. Nano Letters, 16(12), 7597-7603. https://doi.org/10.1021/acs.nanolett.6b03461
SU-8 UV-LIGA molds for michromechanical test specimens
Pethö, L., Wehrs, J., Niederberger, C., & Michler, J. (2016). SU-8 UV-LIGA molds for michromechanical test specimens. Presented at the 17th CMi annual review meeting. Lausanne, Switzerland.
Identification of polymer matrix yield stress in the wood cell wall based on micropillar compression and micromechanical modelling
Schwiedrzik, J., Raghavan, R., Rüggeberg, M., Hansen, S., Wehrs, J., Adusumalli, R. B., … Michler, J. (2016). Identification of polymer matrix yield stress in the wood cell wall based on micropillar compression and micromechanical modelling. Philosophical Magazine, 96(32-34), 3461-3478. https://doi.org/10.1080/14786435.2016.1235292
Approaching the limits of strength: measuring the uniaxial compressive strength of diamond at small scales
Wheeler, J. M., Raghavan, R., Wehrs, J., Zhang, Y., Erni, R., & Michler, J. (2016). Approaching the limits of strength: measuring the uniaxial compressive strength of diamond at small scales. Nano Letters, 16(1), 812-816. https://doi.org/10.1021/acs.nanolett.5b04989
Comparing small scale plasticity of copper-chromium nanolayered and alloyed thin films at elevated temperatures
Raghavan, R., Harzer, T. P., Chawla, V., Djaziri, S., Phillipi, B., Wehrs, J., … Dehm, G. (2015). Comparing small scale plasticity of copper-chromium nanolayered and alloyed thin films at elevated temperatures. Acta Materialia, 93, 175-186. https://doi.org/10.1016/j.actamat.2015.04.008
Transition from shear to stress-assisted diffusion of copper–chromium nanolayered thin films at elevated temperatures
Raghavan, R., Wheeler, J. M., Harzer, T. P., Chawla, V., Djaziri, S., Thomas, K., … Dehm, G. (2015). Transition from shear to stress-assisted diffusion of copper–chromium nanolayered thin films at elevated temperatures. Acta Materialia, 100, 73-80. https://doi.org/10.1016/j.actamat.2015.08.016