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Ordering and Disordering in CuPt-Alloys

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Ordering and Disordering in Alloys

Abstract

Changes of resistivity during ordering and disordering have been investigated for L11-ordered CuPt alloys. Whereas for stoichiometric Cu50Pt50 a drastic influence of LRO only is observed, two contributions to resistivity of opposite sign were detected for off-stoichiometric Cu65Pt35. These two processes are attributed to LRO and SRO, respectively, being in competition: Short annealing times support SRO and the formation of LRO is suppressed. Prolonged annealing times yield a corresponding increase of LRO. These findings are confirmed by X-ray diffraction at wide and small angles.

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References

  1. Cahn, R.W., Ordering Kinetics and Diffusion in Ll2 Alloys. In Phase Transitions in Condensed Systems - Experiment and Theory, eds. G.S. Cargill, F. Spaepen and K.-N. Tu, Spaepen and K.-N. 1987, 57, 385–404.

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© 1992 Elsevier Science Publishers Ltd

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Urban-Erbil, B., Pfeiler, W. (1992). Ordering and Disordering in CuPt-Alloys. In: Yavari, A.R. (eds) Ordering and Disordering in Alloys. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-2886-5_17

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  • DOI: https://doi.org/10.1007/978-94-011-2886-5_17

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-1-85166-762-8

  • Online ISBN: 978-94-011-2886-5

  • eBook Packages: Springer Book Archive

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