Search Results - "Zehetbauer, M."

Mechanical properties of half-Heusler alloys by Rogl, G., Grytsiv, A., Gürth, M., Tavassoli, A., Ebner, C., Wünschek, A., Puchegger, S., Soprunyuk, V., Schranz, W., Bauer, E., Müller, H., Zehetbauer, M., Rogl, P.

“…As half-Heusler compounds are promising candidates for environmentally friendly and low-cost thermoelectric materials, not only a high figure of merit and…”
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On the Half-Heusler compounds Nb1-x{Ti,Zr,Hf}xFeSb: Phase relations, thermoelectric properties at low and high temperature, and mechanical properties by Tavassoli, A., Failamani, F., Grytsiv, A., Rogl, G., Heinrich, P., Müller, H., Bauer, E., Zehetbauer, M., Rogl, P.

“…A re-investigation of phase equilibria, crystal structure and homogeneity region of the Half-Heusler (HH) phase in the ternary system Nb-Fe-Sb at 600 °C has…”
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Direct SPD-processing to achieve high-ZT skutterudites by Rogl, G., Grytsiv, A., Anbalagan, R., Bursik, J., Kerber, M., Schafler, E., Zehetbauer, M., Bauer, E., Rogl, P.

“…For mass fabrication of thermoelectric generators a fast, cheap and simple method is required to produce high ZT leg material. It is well known that severe…”
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A new generation of p-type didymium skutterudites with high ZT by Rogl, G., Grytsiv, A., Rogl, P., Bauer, E., Zehetbauer, M.

“…This work evaluates the influence of single, double and triple filling of didymium, Ca and Ba in Fe 4Sb 12 as well as in Fe 3CoSb 12 on the thermoelectric…”
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Characterization of strain bursts in high density polyethylene by means of a novel nano creep test by Wilhelm, H., Spieckermann, F., Fischer, C., Polt, G., Zehetbauer, M.

“…Recent nanoindentation experiments have shown that in semi-crystalline polymers, strain bursts emerge during creep experiments. A shortcome of nanoindentation…”
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Long term hydrogen storage properties of ZK60 Mg-alloy as processed by different methods of SPD by Cengeri, P., Kimoto, Y., Janoska, M., Abbasi, Z., Morisada, Y., Fujii, H., Enzinger, N., Sommitsch, Ch, Boczkal, G., Krexner, G., Zehetbauer, M. J., Schafler, E.

“…Hydrogen storage characteristics is studied in the Mg-alloy ZK60 after processing by different SPD (Severe Plastic Deformation) methods such as High Pressure…”
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Correlation between the microstructure studied by X-ray line profile analysis and the strength of high-pressure-torsion processed Nb and Ta by Jóni, B., Schafler, E., Zehetbauer, M., Tichy, G., Ungár, T.

“…Niobium and tantalum are two body centered cubic metals with very different elastic anisotropy. The Az=2×c44/(c11−c12) constant for Nb and Ta is 0.51 and 1.58,…”
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Enhancement of mechanical properties of biocompatible Ti–45Nb alloy by hydrostatic extrusion by Ozaltin, K., Chrominski, W., Kulczyk, M., Panigrahi, A., Horky, J., Zehetbauer, M., Lewandowska, M.

“…β-Type titanium alloys are promising materials for orthopaedic implants due to their relatively low Young’s modulus and excellent biocompatibility. However,…”
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Influence of testing orientation on mechanical properties of Ti45Nb deformed by high pressure torsion by Völker, B., Jäger, N., Calin, M., Zehetbauer, M., Eckert, J., Hohenwarter, A.

“…Ti45Nb is a promising choice as an implant material due to its low Young's modulus and its good biocompatibility, however the material's strength is relatively…”
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High cycle fatigue behaviour of copper deformed by high pressure torsion by Khatibi, G., Horky, J., Weiss, B., Zehetbauer, M.J.

“…Influence of purity and process parameters on the fatigue behaviour of ultrafine grained (UFG) copper produced by high pressure torsion (HPT) was studied. A…”
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Microstructure and mechanical properties of high purity nanostructured titanium processed by high pressure torsion at temperatures 300 and 77 K by Podolskiy, A. V., Mangler, C., Schafler, E., Tabachnikova, E. D., Zehetbauer, M. J.

“…Several structural states of nanostructured high purity Ti with average grain size down to 100 nm were achieved by high pressure torsion (HPT) at temperatures…”
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n-Type skutterudites (R,Ba,Yb)yCo4Sb12 (R=Sr, La, Mm, DD, SrMm, SrDD) approaching ZT≈2.0 by Rogl, G., Grytsiv, A., Rogl, P., Peranio, N., Bauer, E., Zehetbauer, M., Eibl, O.

“…The influence of various fillers R (R=Sr, La, Mm, DD, SrMm, SrDD with Mm standing for mischmetal and DD for didymium) on the physical properties of the triple-…”
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Influence of post-deformation on CP-Ti processed by equal channel angular pressing by Stolyarov, V.V., Zeipper, L., Mingler, B., Zehetbauer, M.

“…Ultrafine-grained (UFG) sheets of commercially pure (CP)-Ti were produced by equal channel angular pressing (ECAP), by ECAP plus subsequent rolling as a…”
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Low temperature micromechanical properties of nanocrystalline CoCrFeNiMn high entropy alloy by Rusakova, H.V., Fomenko, L.S., Smirnov, S.N., Podolskiy, A.V., Shapovalov, Y.O., Tabachnikova, E.D., Tikhonovsky, M.A., Levenets, A.V., Zehetbauer, M.J., Schafler, E.

“…In the temperature range 77–290 K, the microhardness of high entropy alloy CoCrFeNiMn (Сantor alloy) samples in three structural states was measured: (i)…”
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Lattice defect investigation of ECAP-Cu by means of X-ray line profile analysis, calorimetry and electrical resistometry by Schafler, E., Steiner, G., Korznikova, E., Kerber, M., Zehetbauer, M.J.

“…Cu rods have been deformed by equal channel angular pressing (ECAP) up to shear strains γ ≈ 5 while applying various deformation paths A, B C and C. X-ray…”
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Evolution of strength and structure during SPD processing of Ti–45Nb alloys: experiments and simulations by Sulkowski, B., Panigrahi, A., Ozaltin, K., Lewandowska, M., Mikułowski, B., Zehetbauer, M.

“…A β-phase Ti–45Nb alloy was processed by several severe plastic deformation (SPD) methods as high-pressure torsion, cold rolling and folding, and hydrostatic…”
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Rejuvenation decreases shear band sliding velocity in Pt-based metallic glasses by Denis, P., Meylan, C.M., Ebner, C., Greer, A.L., Zehetbauer, M., Fecht, H.-J.

“…The lack of plasticity in metallic glasses (MGs) is currently the main drawback limiting their commercialization. Mechanical treatments such as high-pressure…”
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The Innovation Potential of Bulk Nanostructured Materials by Valiev, R. Z., Zehetbauer, M. J., Estrin, Y., Höppel, H. W., Ivanisenko, Y., Hahn, H., Wilde, G., Roven, H. J., Sauvage, X., Langdon, T. G.

“…The innovation potential is high for bulk nanostructured materials (BNM) produced by methods of severe plastic deformation and accordingly this report focuses…”
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Thermoelectric performance of mischmetal skutterudites MmyFe4―xCoxSb12 at elevated temperatures by ZHANG, L, GRYTSIV, A, KERBER, M, ROGL, P, BAUER, E, ZEHETBAUER, M

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Multifilled nanocrystalline p-type didymium – Skutterudites with ZT > 1.2 by Rogl, G., Grytsiv, A., Rogl, P., Bauer, E., Kerber, M.B., Zehetbauer, M., Puchegger, S.

“…The influence of double, triple and multi-filling of didymium, Ca, Ba, Sr and Yb in Fe 3CoSb 12 on the thermoelectric performance was investigated…”
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