Search Results - "Eggeler, G."

Microstructure evolution and critical stress for twinning in the CrMnFeCoNi high-entropy alloy by Laplanche, G., Kostka, A., Horst, O.M., Eggeler, G., George, E.P.

“…At low homologous temperatures (down to cryogenic temperatures), the CrMnFeCoNi high-entropy alloy possesses good combination of strength, work hardening rate…”
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Decomposition of the single-phase high-entropy alloy CrMnFeCoNi after prolonged anneals at intermediate temperatures by Otto, F., Dlouhý, A., Pradeep, K.G., Kuběnová, M., Raabe, D., Eggeler, G., George, E.P.

“…Among the vast number of multi-principal-element alloys that are referred to as high-entropy alloys (HEAs) in the literature, only a limited number solidify as…”
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Reasons for the superior mechanical properties of medium-entropy CrCoNi compared to high-entropy CrMnFeCoNi by Laplanche, G., Kostka, A., Reinhart, C., Hunfeld, J., Eggeler, G., George, E.P.

“…The tensile properties of CrCoNi, a medium-entropy alloy, have been shown to be significantly better than those of CrMnFeCoNi, a high-entropy alloy. To…”
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On the effect of alloy composition on martensite start temperatures and latent heats in Ni–Ti-based shape memory alloys by Frenzel, J., Wieczorek, A., Opahle, I., Maaß, B., Drautz, R., Eggeler, G.

“…In the present work we explain the concentration dependence of the martensite start temperature (MS) in Ni–Ti-based shape memory alloys (SMAs). We briefly…”
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Temperature dependencies of the elastic moduli and thermal expansion coefficient of an equiatomic, single-phase CoCrFeMnNi high-entropy alloy by Laplanche, G., Gadaud, P., Horst, O., Otto, F., Eggeler, G., George, E.P.

“…•An FCC CoCrFeMnNi high-entropy alloy (HEA) was cast and processed by swaging.•Recrystallization resulted in homogenous microstructure (grain size 15μm).•The…”
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The influences of temperature and microstructure on the tensile properties of a CoCrFeMnNi high-entropy alloy by Otto, F., Dlouhý, A., Somsen, Ch, Bei, H., Eggeler, G., George, E.P.

“…An equiatomic CoCrFeMnNi high-entropy alloy, which crystallizes in the face-centered cubic (fcc) crystal structure, was produced by arc melting and drop…”
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On the effect of long-term creep on the microstructure of a 12% chromium tempered martensite ferritic steel by Aghajani, A., Somsen, Ch, Eggeler, G.

“…In the present study we investigate the evolution of the microstructure of a 12% Cr tempered martensite ferritic steel under conditions of long-term aging and…”
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Analysis of strengthening due to grain boundaries and annealing twin boundaries in the CrCoNi medium-entropy alloy by Schneider, M., George, E.P., Manescau, T.J., Záležák, T., Hunfeld, J., Dlouhý, A., Eggeler, G., Laplanche, G.

“…CrCoNi exhibits the best combination of strength and ductility among all the equiatomic single-phase FCC subsets of the CrMnFeCoNi high-entropy alloy. Here,…”
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On the nucleation of Laves phase particles during high-temperature exposure and creep of tempered martensite ferritic steels by ISIK, M. I, KOSTKA, A, EGGELER, G

“…This paper reports on the formation of an Mo-rich Laves phase during high-temperature exposure and creep of a tempered martensite ferritic steel with 12wt.% Cr…”
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Microstructural evolution of a CoCrFeMnNi high-entropy alloy after swaging and annealing by Laplanche, G., Horst, O., Otto, F., Eggeler, G., George, E.P.

“…The processing parameters which govern the evolution of microstructure and texture during rotary swaging and subsequent heat treatments were studied in an…”
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Effect of temperature and texture on the reorientation of martensite variants in NiTi shape memory alloys by Laplanche, G., Birk, T., Schneider, S., Frenzel, J., Eggeler, G.

“…Martensitic Ni50Ti50 wires and sheets with different textures were tensile tested in the temperature range between −100 °C and 60 °C. The effect of texture and…”
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Influence of Ni on martensitic phase transformations in NiTi shape memory alloys by Frenzel, J., George, E.P., Dlouhy, A., Somsen, Ch, Wagner, M.F.-X., Eggeler, G.

“…High-precision data on phase transformation temperatures in NiTi, including numerical expressions for the effect of Ni on M S, M F, A S, A F and T 0, are…”
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Uptake and intracellular distribution of silver nanoparticles in human mesenchymal stem cells by Greulich, C., Diendorf, J., Simon, T., Eggeler, G., Epple, M., Köller, M.

“…Silver nanoparticles (Ag-NP) are widely used due to their well-known antibacterial effects. In medicine Ag-NP have found applications as wound dressings,…”
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On the formation and growth of intermetallic phases during interdiffusion between low-carbon steel and aluminum alloys by Springer, H., Kostka, A., Payton, E.J., Raabe, D., Kaysser-Pyzalla, A., Eggeler, G.

“…The formation of intermetallic reaction layers was investigated for interdiffusion between a low-carbon steel and commercially pure aluminum (99.99%) and…”
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The evolution of tribolayers during high temperature sliding wear by Rynio, C., Hattendorf, H., Klöwer, J., Eggeler, G.

“…High temperature reciprocating sliding wear experiments of a Ni-based superalloy pin against a cast iron disc were performed at 600 and 800°C (load: 20N,…”
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Double minimum creep of single crystal Ni-base superalloys by Wu, X., Wollgramm, P., Somsen, C., Dlouhy, A., Kostka, A., Eggeler, G.

“…Low temperature (750 °C) and high stress (800 MPa) creep curves of single crystal superalloy ERBO/1 tensile specimens loaded in the 〈001〉 direction show two…”
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Microstructure and Mechanical Properties of CMSX-4 Single Crystals Prepared by Additive Manufacturing by Körner, C., Ramsperger, M., Meid, C., Bürger, D., Wollgramm, P., Bartsch, M., Eggeler, G.

“…Currently, additive manufacturing (AM) experiences significant attention in nearly all industrial sectors. AM is already well established in fields such as…”
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The nucleation of Mo-rich Laves phase particles adjacent to M23C6 micrograin boundary carbides in 12% Cr tempered martensite ferritic steels by Isik, M.I., Kostka, A., Yardley, V.A., Pradeep, K.G., Duarte, M.J., Choi, P.P., Raabe, D., Eggeler, G.

“…We study the nucleation of Mo-rich Laves phase particles during aging and creep of 12wt.% Cr tempered martensite ferritic steels (TMFS). Recently, in Isik et…”
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On the multiplication of dislocations during martensitic transformations in NiTi shape memory alloys by Simon, T., Kröger, A., Somsen, C., Dlouhy, A., Eggeler, G.

“…In situ and post-mortem diffraction contrast transmission electron microscopy (TEM) was used to study the multiplication of dislocations during a thermal…”
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Evolution of local misorientations in the γ/γ’‐microstructure of single crystal superalloys during creep studied with the rotation vector baseline (RVB) EBSD method by Gamanov, Stepan, Dlouhy, A., Bürger, D., Eggeler, G., Thome, P.

“…The present work uses the rotation vector baseline electron back scatter orientation imaging method (RVB‐EBSD) to study the evolution of small misorientations…”
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