Search Results - "Loeffler, F. J."

Deformation behavior of gold nano-pillars prepared by nanoimprinting and focused ion-beam milling by Dietiker, M., Buzzi, S., Pigozzi, G., Löffler, J.F., Spolenak, R.

“…The deformation behavior of single- and polycrystalline gold pillars with diameters in the 150–1000 nm range was investigated at room temperature by…”
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Experimental study of the Fe–Ni–Ti system by Duarte, L.I., Klotz, U.E., Leinenbach, C., Palm, M., Stein, F., Löffler, J.F.

“…In this investigation phase relations in the Fe–Ni–Ti system were studied and two isothermal sections at 800 °C and 1000 °C as well as a revised liquidus…”
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Precipitation hardening of biodegradable Fe–Mn–Pd alloys by Moszner, F., Sologubenko, A.S., Schinhammer, M., Lerchbacher, C., Hänzi, A.C., Leitner, H., Uggowitzer, P.J., Löffler, J.F.

“…This work presents a phenomenological description of the precipitation controlled hardening of a new biodegradable Fe-based alloy developed to fulfill the…”
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Deformation behavior of silver submicrometer-pillars prepared by nanoimprinting by Buzzi, S., Dietiker, M., Kunze, K., Spolenak, R., Löffler, J.F.

“…Scaling in material properties is of great importance in microsystems and microelectronics where the device dimensions continuously shrink. Recently,…”
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Structure and properties of a hypoeutectic chromium steel processed in the semi-solid state by Uhlenhaut, D.I., Kradolfer, J., Püttgen, W., Löffler, J.F., Uggowitzer, P.J.

“…Because of their great hardness and wear resistance, hypoeutectic ledeburitic chromium steels are widely used for machining and measuring tools. Such steels…”
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Hydrogen microalloying as a viable strategy for enhancing the glass-forming ability of Zr-based bulk metallic glasses by Granata, D., Fischer, E., Löffler, J.F.

“…[Display omitted] The development of bulk metallic glasses (BMGs) with both high critical casting thickness and ductility is a great challenge. In this study…”
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Design strategy for microalloyed ultra-ductile magnesium alloys by Hänzi, A.C., Dalla Torre, F.H., Sologubenko, A.S., Gunde, P., Schmid-Fetzer, R., Kuehlein, M., Löffler, J.F., Uggowitzer, P.J.

“…This article describes a design strategy deployed in developing ultra-ductile Mg alloys based on a microalloying concept, which aims to restrict grain growth…”
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Testing of Frank's hypothesis on a containerless packing of macroscopic soft spheres and comparison with mono-atomic metallic liquids by Sahu, K.K., Wessels, V., Kelton, K.F., Löffler, J.F.

“…► Testing of Frank's hypothesis for Centripetal Packing (CP) has been proposed. ► It is shown that CP is an idealized model for Monatomic Supercooled Liquid…”
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Segregation-driven exceptional twin-boundary strengthening in lean Mg–Zn–Ca alloys by Basu, I., Chen, M., Wheeler, J., Schäublin, R.E., Löffler, J.F.

“…Twinning-mediated plasticity in hexagonal close-packed crystal structures offers great potential for achieving lean Mg-based alloys with high strength and…”
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Stacking-fault mediated plasticity and strengthening in lean, rare-earth free magnesium alloys by Basu, I., Chen, M., Wheeler, J., Schäublin, R.E., Löffler, J.F.

“…A magnesium alloy with lean additions of Zn (1 wt.%) and Ca (0.3 wt.%), ZX10, and pure Mg were subjected to orientation-dependent micropillar indentation tests…”
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Rational design of a lean magnesium-based alloy with high age-hardening response by Cihova, M., Schäublin, R., Hauser, L.B., Gerstl, S.S.A., Simson, C., Uggowitzer, P.J., Löffler, J.F.

“…Magnesium-based alloys that allow fast processing, easy formability and subsequent age hardening to their final strength are highly desirable for lightweight…”
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In-situ probing of metallic glass formation and crystallization upon heating and cooling via fast differential scanning calorimetry by Pogatscher, S., Uggowitzer, P. J., Löffler, J. F.

“…The crystallization of small-scale Au-based metallic glass samples was investigated by fast differential scanning calorimetry. Rapid cooling and heating makes…”
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Emergent electromagnetism induced by topological defects created during magnetization reversal in nanowires by Charilaou, M, Braun, H. -B, Loeffler, J. F

“…Phys. Rev. Lett. 121, 097202 (2018) We report that the irreversible magnetization switching process in ferromagnetic nanoparticles is governed by the formation…”
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Local structural excitations in model glasses by Swayamjyoti, S., Löffler, J. F., Derlet, P. M.

“…Structural excitations of model Lennard-Jones glass systems are investigated using the activation-relaxation technique (ART sub(n)), which explores the…”
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Processing and microstructure–property relations of high-strength low-alloy (HSLA) Mg–Zn–Ca alloys by Hofstetter, J., Rüedi, S., Baumgartner, I., Kilian, H., Mingler, B., Povoden-Karadeniz, E., Pogatscher, S., Uggowitzer, P.J., Löffler, J.F.

“…[Display omitted] Deformation dilatometry and semi-industrial extrusion were used to investigate the effect of different thermomechanical processing routes on…”
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Propagation dynamics of individual shear bands during inhomogeneous flow in a Zr-based bulk metallic glass by MaaA, R, KlaumAnzer, D, LAPGffler, J F

“…► Individual load drops occur within a single shear band. ► Shear-band propagation is shown to be a thermally activated process. ► Strain-jump magnitudes are…”
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Solid–solid phase transitions via melting in metals by Pogatscher, S., Leutenegger, D., Schawe, J. E. K., Uggowitzer, P. J., Löffler, J. F.

“…Observing solid–solid phase transitions in-situ with sufficient temporal and spatial resolution is a great challenge, and is often only possible via computer…”
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In vivo degradation performance of micro-arc-oxidized magnesium implants: A micro-CT study in rats by Fischerauer, S.F., Kraus, T., Wu, X., Tangl, S., Sorantin, E., Hänzi, A.C., Löffler, J.F., Uggowitzer, P.J., Weinberg, A.M.

“…Biodegradable Mg alloys are of great interest for osteosynthetic applications because they do not require surgical removal after they have served their…”
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Alloy design strategies for sustained ductility in Mg-based amorphous alloys – Tackling structural relaxation by Laws, K.J., Granata, D., Löffler, J.F.

“…Mg-based metallic glasses are promising candidates for use in light-weight, high-specific-strength applications, but their low fracture toughness and rapid…”
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Diffusion on demand to control precipitation aging: application to Al-Mg-Si alloys by Pogatscher, S, Antrekowitsch, H, Werinos, M, Moszner, F, Gerstl, S S A, Francis, M F, Curtin, W A, Löffler, J F, Uggowitzer, P J

“…We demonstrate experimentally that a part-per-million addition of Sn solutes in Al-Mg-Si alloys can inhibit natural aging and enhance artificial aging. The…”
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