Effects of Ru on elemental partitioning and precipitation of topologically close-packed phases in Ni-based superalloys
Peng Z, Povstugar I, Matuszewski K, Rettig R, Singer R, Kostka A, Choi PP, Raabe D (2015)
Publication Language: English
Publication Status: Published
Publication Type: Journal article, Original article
Publication year: 2015
Journal
Publisher: Elsevier Ltd
Book Volume: 101
Pages Range: 44-47
DOI: 10.1016/j.scriptamat.2015.01.014
Abstract
Two Ni-based superalloys (one Ru-free and one containing 1 at.% Ru) were comparatively studied by Atom Probe Tomography and complimentary techniques. Ru addition impedes precipitation of the σ phase at 950 °C. Ru partitions nearly equally to the γ and σ phase. Neither reverse elemental partitioning nor destabilization of the γ' phase is detected when adding Ru. We propose an increase in the γ/σ lattice misfit caused by Ru as a major reason for impeded nucleation of the σ phase.
Authors with CRIS profile
Kamil Matuszewski
Lehrstuhl für Werkstoffwissenschaften (Werkstoffkunde und Technologie der Metalle)
Ralf Rettig
Lehrstuhl für Werkstoffwissenschaften (Werkstoffkunde und Technologie der Metalle)
Robert Singer
Lehrstuhl für Werkstoffwissenschaften (Werkstoffkunde und Technologie der Metalle)
Related research project(s)
Involved external institutions
Germany (DE)How to cite
APA:
Peng, Z., Povstugar, I., Matuszewski, K., Rettig, R., Singer, R., Kostka, A.,... Raabe, D. (2015). Effects of Ru on elemental partitioning and precipitation of topologically close-packed phases in Ni-based superalloys. Scripta Materialia, 101, 44-47. https://dx.doi.org/10.1016/j.scriptamat.2015.01.014
MLA:
Peng, Zirong, et al. "Effects of Ru on elemental partitioning and precipitation of topologically close-packed phases in Ni-based superalloys." Scripta Materialia 101 (2015): 44-47.
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