Search Results - "Gabrisch, Heike"

Crystal structure studies of thermally aged LiCoO2 and LiMn2O4 cathodes by GABRISCH, Heike, OZAWA, Yasunori, YAZAMI, Rachid

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Phase separation and up-hill diffusion in the ordered α2 compound of a γ- Ti-Al-Nb alloy by Gabrisch, Heike, Krekeler, Tobias, Lorenz, Uwe, Rackel, Marcus Willi, Ritter, Martin, Pyczak, Florian, Stark, Andreas

“…γ-TiAl alloys are intermetallic materials that are designed for applications in air craft engines. Oftentimes alloying elements are added to improve the…”
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Effects of Rh on the thermoelectric performance of the p-type Zr0.5Hf0.5Co1―xRhxSb0.99Sn0.01 half-Heusler alloys by MAJI, Pramathesh, TAKAS, Nathan J, MISRA, Dinesh K, GABRISCH, Heike, STOKES, Kevin, POUDEU, Pierre F. P

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Screening for O phase in advanced γ–TiAl alloys by Rackel, Marcus Willi, Stark, Andreas, Gabrisch, Heike, Pyczak, Florian

“…This is a screening study using high-energy X-ray diffraction measurements to determine whether an orthorhombic phase forms in γ-based TiAl alloys of different…”
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Orthorhombic phase formation in a Nb-rich γ-TiAl based alloy – An in situ synchrotron radiation investigation by Rackel, Marcus Willi, Stark, Andreas, Gabrisch, Heike, Schell, Norbert, Schreyer, Andreas, Pyczak, Florian

“…Novel low aluminium, high niobium containing γ-TiAl based alloys, such as Ti-42Al-8.5Nb (at.%), can exhibit an excellent combination of high-temperature…”
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Morphology and stability of orthorhombic and hexagonal phases in a lamellar γ-Ti-42Al-8.5Nb alloy-A transmission electron microscopy study by Gabrisch, Heike, Lorenz, Uwe, Pyczak, Florian, Rackel, Marcus, Stark, Andreas

“…Intermetallic titanium aluminides are often alloyed with niobium to improve oxidation resistance and mechanical properties. Depending on the overall alloy…”
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Impact of microstructure on elastic properties in the alloy Ti-42Al-8.5 Nb by Gabrisch, Heike, Janovská, Michaela, Rackel, Marcus W., Pyczak, Florian, Stark, Andreas

“…The microstructure of a γ-TiAl alloy containing niobium undergoes continuous transformations during annealing at 550 °C. These take place within the α2-phase…”
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Impact of microstructure on elastic properties in the alloy Ti-42Al-8.5 Nb by Gabrisch, Heike, Janovská, Michaela, Rackel, Marcus W., Pyczak, Florian, Stark, Andreas

“…Not provided…”
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Microstructural investigation of LixNi1/3Mn1/3Co1/3O2 (x ≤ 1) and its aged products via magnetic and diffraction study by Mohanty, D., Gabrisch, H.

“…The thermal stability of the layered oxide LiNi1/3Mn1/3Co1/3O2 and its delithiated product is studied by a combination of X-ray and electron diffraction, TEM…”
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Morphology evolution of Ti3AlC carbide precipitates in high Nb containing TiAl alloys by Wang, Li, Zenk, Carolin, Stark, Andreas, Felfer, Peter, Gabrisch, Heike, Göken, Mathias, Lorenz, Uwe, Pyczak, Florian

“…This work elucidates the morphology evolution of perovskite Ti3AlC carbides in a Ti-45Al-5Nb-0.75C alloy during ageing at 800 °C. The carbides in the γ matrix…”
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Microstructure development and hardness of a powder metallurgical multi phase γ-TiAl based alloy by Schloffer, Martin, Iqbal, Farasat, Gabrisch, Heike, Schwaighofer, Emanuel, Schimansky, Frank-Peter, Mayer, Svea, Stark, Andreas, Lippmann, Thomas, Göken, Mathias, Pyczak, Florian, Clemens, Helmut

“…A β-solidifying TiAl alloy with a nominal composition of Ti–43.5Al–4Nb–1Mo–0.1B (in at.%), termed TNM™ alloy, was produced by a powder metallurgical approach…”
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Nucleation and thermal stability of carbide precipitates in high Nb containing TiAl alloys by Wang, Li, Gabrisch, Heike, Lorenz, Uwe, Schimansky, Frank-Peter, Schreyer, Andreas, Stark, Andreas, Pyczak, Florian

“…This work monitors the nucleation, growth and coarsening of carbides in powder metallurgically processed, high Nb containing TiAl alloys. The effects of carbon…”
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Investigation of carbides in Ti–45Al–5Nb–xC alloys (0 ≤ x ≤ 1) by transmission electron microscopy and high energy-XRD by Gabrisch, Heike, Stark, Andreas, Schimansky, Frank-Peter, Wang, Li, Schell, Norbert, Lorenz, Uwe, Pyczak, Florian

“…The mechanical properties of γ-TiAl based alloys are often improved through alloying with niobium and carbon. Depending on composition and heat treatment the…”
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Mechanism of electrochemical performance decay in LiCoO2 aged at high voltage by YAZAMI, R, OZAWA, Y, GABRISCH, H, FULTZ, B

“…Electrochemical cells of LiCoO2 were charged to 4.7 V versus lithium, and held at this high voltage for various times. After this high voltage aging, the cells…”
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Crystal structure studies of thermally aged LiCoO2 and L1M112O4 cathodes by Gabrisch, Heike, Ozawa, Yasunori, Yazami, Rachid

“…LiCoO2 and LiMn2O4 cathodes were studied by X-ray diffractometry (XRD) and electron diffraction after ageing in the charged state at elevated temperature. Some…”
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Crystal structure studies of thermally aged LiCoO 2 and LiMn 2O 4 cathodes by Gabrisch, Heike, Ozawa, Yasunori, Yazami, Rachid

“…LiCoO 2 and LiMn 2O 4 cathodes were studied by X-ray diffractometry (XRD) and electron diffraction after ageing in the charged state at elevated temperature…”
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Effects of Rh on the thermoelectric performance of the p-type Zr 0.5Hf 0.5Co 1− x Rh x Sb 0.99Sn 0.01 half-Heusler alloys by Maji, Pramathesh, Takas, Nathan J., Misra, Dinesh K., Gabrisch, Heike, Stokes, Kevin, Poudeu, Pierre F.P.

“…We show that Rh substitution at the Co site in Zr 0.5Hf 0.5Co 1− x Rh x Sb 0.99Sn 0.01 (0≤ x≤1) half-Heusler alloys strongly reduces the thermal conductivity…”
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A transmission electron microscopy study of cycled LiCoO2 by Gabrisch, H, Yazami, R, Fultz, B

“…A sample of LiCoO2 was prepared as a cathode for a lithium battery, and subjected to a large number of charge/discharge cycles that induced an irreversible…”
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Effects of Rh on the thermoelectric performance of the p-type Zr sub(0.5)Hf sub(0.5)Co sub(1-) sub(x)h sub(x)b sub(0.99)Sn sub(0.01) half-Heusler alloys by Maji, Pramathesh, Takas, Nathan J, Misra, Dinesh K, Gabrisch, Heike, Stokes, Kevin, Poudeu, Pierre FP

“…We show that Rh substitution at the Co site in Zr sub(0.5)Hf sub(0.5)Co sub(1-) sub(x)h sub(x)b sub(0.99)Sn sub(0.01) (0<=x<=1) half-Heusler alloys strongly…”
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Effects of Rh on the thermoelectric performance of the p-type Zr{sub 0.5}Hf{sub 0.5}Co{sub 1-x}Rh{sub x}Sb{sub 0.99}Sn{sub 0.01} half-Heusler alloys by Maji, Pramathesh, Department of Chemistry, University of New Orleans, New Orleans, LA 70148, Takas, Nathan J., Misra, Dinesh K., Gabrisch, Heike, Stokes, Kevin, Department of Physics, University of New Orleans, New Orleans, LA 70148, Poudeu, Pierre F.P.

“…We show that Rh substitution at the Co site in Zr{sub 0.5}Hf{sub 0.5}Co{sub 1-x}Rh{sub x}Sb{sub 0.99}Sn{sub 0.01} (0<=x<=1) half-Heusler alloys strongly…”
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