Analytical Electron Microscopy Studies of the CMSX-4 Single Crystal Superalloy Subjected to High Temperature Annealing

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

Abstracts

EN

The aim of the present work is to investigate the development of the γ/γ' microstructure and the changes in chemical composition of γ and γ' phases during high temperature annealing of CMSX-4 superalloy at a temperature of 1100°C in the time range from 500 to 2500 h. The studies were performed by means of scanning electron microscopy and the modern scanning-transmission electron microscopy with Super-X EDS system of four SDD detectors. Results of scanning electron microscopy and scanning-transmission electron microscopy analyses have shown that the microstructure of CMSX-4 superalloy is unstable during ageing at high temperature and the coalescence of cuboidal γ' precipitates was observed. Energy dispersive X-ray microanalysis revealed the distribution of particular alloying elements in the γ and γ' phases and the differences in their concentration in the function of the annealing time.

Keywords

EN

61.66.Dk; 68.37.Hk; 68.37.Lp; 68.37.Ma; 82.80.Ej

Discipline

• 61.66.Dk: Alloys
• 82.80.Ej: X-ray, Mössbauer, and other γ-ray spectroscopic analysis methods
• 68.37.Lp: Transmission electron microscopy (TEM)
• 68.37.Ma: Scanning transmission electron microscopy (STEM)
• 68.37.Hk: Scanning electron microscopy (SEM) (including EBIC)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2017
• Volume: 131
• Issue: 5
• Pages: 1375-1378

Dates

published

2017-05

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.131.1375