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239 results on '"Pfeiler, W."'

3. Ordering Kinetics in B2-FeAl

Author

Lang, H., Rohrhofer, K., Pfeiler, W., Schweiger, H., Podloucky, R., Meike, Annemarie, editor, Gonis, Antonios, editor, Turchi, Patrice E. A., editor, and Rajan, Krishna, editor

Published
2000
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35. 'Order-order' relaxations in intermetallics

Author

Kozubski, R., Kozlowski, M., Véronique Pierron-Bohnes, and Pfeiler, W.

Subjects
Materials Chemistry, Metals and Alloys, Physical and Theoretical Chemistry, Condensed Matter Physics
Abstract

“Order-order” relaxation processes in high-temperature intermetallics occur after an abrupt change of temperature and are controlled by atomic migration in the almost perfect superstructure. The related experiments were carried out using systems being of technological interest and representing three common types of superstructures: L12 (Ni3Albased quasi-binaries), L10 (FePd, FePt) and B2 (NiAl, FeAl). The corresponding Monte Carlo (MC) simulations of “Order-order” kinetics involving the Glauber dynamics implemented with vacancy mechanism for atomic jumps were performed. The studies indicate a crucial role of antisite-easy-diffusion channels offered by particular superstructures in determining the character of “Order-order” processes and their relationship to steady-state self-diffusion. Specific mechanisms of the relaxations in triple-defect B2-ordered binaries are discussed.

Published
2004

38. Atomic ordering and magnetism in L1(o) ordered FePd alloys

Author

Issro, C., Abes, M., Puschl, W., Sepiol, B., Pfeiler, W., Rogl, P. F., Schmerber, G., Soffa, W. A., Kozubski, R., Pierron-Bohnes, V., Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), and Masson, Beatrice

Published
2006

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