Temperature dependence of ordering in the ? -phase of Ni-based superalloys

descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 2002 Austria Publisher:Springer Science and Business Media LLCJournal:Applied Physics A: Materials Science & Processing, volume 74, pages s1112-s1114 (issn: 0947-8396, eissn: 1432-0630,

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Authors: Prem, Markus; Krexner, Gerhard; Pettinari-Sturmel, F; Clément, N;

doi: 10.1007/s003390201680

Temperature dependence of ordering in the ? -phase of Ni-based superalloys

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Abstract

Short-range order (SRO) in model ?-phases of several Ni-based superalloys is investigated by elastic diffuse neutron scattering as a function of temperature. The composition of the single-crystalline samples has been modified by small amounts of additional elements like Mo, Re, Ru and W in order to study their influence on SRO, which is clearly dominated by peaks of the {1 1/2 0} type. The intensity of SRO scattering remains nearly unchanged up to 600°C, above this temperature SRO decreases gradually and finally vanishes around 1000°C. Correlation lengths do not change significantly with temperature.

Country

Austria

Related Organizations

Atomic Energy and Alternative Energies Commission
France
University of Vienna
Austria
Laboratoire Léon Brillouin
France
Centre national de la recherche scientifique
France

Keywords

Astronomy, 1030 Physics, 1030 Physik, Astronomie

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