Analytical Electron Microscopy Investigation of Topologically Close-Packed Phases in CMSX-4 Single Crystal Superalloy

• Authors: B. Dubiel , P. Indyka , I. Kalemba-Rec , T. Moskalewicz
• Languages of publication: EN

Abstracts

EN

In this work the topologically close-packed phases precipitated during annealing of CMSX-4 single-crystal superalloy at temperature 1100°C were investigated. Microstructural analyses were carried out by means of scanning- and transmission electron microscopy as well as scanning-transmission electron microscopy in high angle annular dark field mode. Chemical composition in nanoareas was determined using energy dispersive X-ray spectroscopy. Scanning electron microscopy investigation has shown that the topologically close-packed precipitates were formed already after 50 h of annealing at temperature 1000°C. With prolongation of the annealing time up to 2500 h the change of the morphology of topologically close-packed particles from blocky to needle-like occurred. Selected area electron diffraction analysis indicated that the topologically close-packed precipitates are the orthorhombic P phase. Quantitative energy dispersive X-ray spectroscopy analysis revealed that the topologically close-packed precipitates are enriched mostly in Re and W.

Keywords

EN

61.66.Dk; 68.37.Hk; 68.37.Lp; 68.37.Ma; 82.80.Ej; 61.05.J-

Discipline

• 68.37.Lp: Transmission electron microscopy (TEM)
• 82.80.Ej: X-ray, Mössbauer, and other γ-ray spectroscopic analysis methods
• 68.37.Hk: Scanning electron microscopy (SEM) (including EBIC)
• 61.05.J-: Electron diffraction and scattering(for electron diffractometers, see 07.78.+s)
• 61.66.Dk: Alloys
• 68.37.Ma: Scanning transmission electron microscopy (STEM)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2016
• Volume: 130
• Issue: 4
• Pages: 1110-1113

Dates

published

2016-10

Contributors

author

B. Dubiel

• AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, al. A. Mickiewicza 30, 30-059 Kraków, Poland

author

P. Indyka

• Jagiellonian University, Faculty of Chemistry, R. Ingardena 3, 30-060 Kraków, Poland

author

I. Kalemba-Rec

• AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, al. A. Mickiewicza 30, 30-059 Kraków, Poland

author

T. Moskalewicz

• AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, al. A. Mickiewicza 30, 30-059 Kraków, Poland

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Identifiers

DOI

10.12693/APhysPolA.130.1110