Dendritic Structure Analysis of CMSX-4 Cored Turbine Blades Roots

• Autorzy: Krawczyk J.

Identyfikatory

DOI

10.1515/amm-2016-0189

• Języki publikacji: EN

Abstrakty

EN

The microstructure of as-cast cored turbine blades roots, made of the single-crystal CMSX-4 nickel-based superalloy was investigated. Analysed blades were obtained by directional solidification technique in the industrial ALD Bridgman induction furnace. The investigations of the microstructure of blades roots were performed using SEM and X-ray techniques including diffraction topography with the use of Auleytner method. Characteristic shapes of dendrites with various arrangement were observed on the SEM images taken from the cross-sections, made transversely to the main blades axis. The differences in quality of the structure in particular areas of blades roots were revealed. Based on the results, the influence of cooling bores on blades root structure was analysed and the changes in the distribution and geometry of cooling bores were proposed.

Słowa kluczowe

EN

single-crystalline turbine blades; nickel-base superalloy; dendritic structure; x-ray topography; SEM

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2016
• Tom: Vol. 61, iss. 2B
• Strony: 1129--1134
• Opis fizyczny: Bibliogr. 14 poz., rys.

Twórcy

autor

Krawczyk J.

• University of Silesia, Institute of Materials Science, 1a 75 Pułku Piechoty Str., 41-500 Chorzów, Poland

Bibliografia

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Uwagi

EN

The author would like to thank the management and employees of the Department of Materials Science and Research & Development Laboratory for Aerospace Materials. Rzeszow University of Technology for the cooperation and valuable help.

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę