Two Methods of Studying Structure Perfection of Single Crystal Nickel-Based Superalloys

Arkadiusz Onyszko; Jan Sieniawski; Włodzimierz Bogdanowicz; Hans Berger

doi:10.4028/www.scientific.net/SSP.203-204.177

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Gamma Prime Crystal Lattice Orientation of Turbine Blades of the Single Crystal Nickel Based CMSX-4 Superalloy
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Characterization of As-Cast Single-Crystal CMSX-4 Superalloy Turbine Blades
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Two Methods of Studying Structure Perfection of Single Crystal Nickel-Based Superalloys
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HomeSolid State PhenomenaSolid State Phenomena Vols. 203-204Two Methods of Studying Structure Perfection of...

Two Methods of Studying Structure Perfection of Single Crystal Nickel-Based Superalloys

Abstract:

The article presents the comparison of two methods: classical X-ray topography and the modern automatic X-ray OD-EFG diffractometer. Both methods were applied to study the crystal orientation of turbine blades of single crystal nickel-based superalloys. The solidification of a hollow assembly structure for 5 various blades was carried out by the Bridgman method at the Research and Development Laboratory for Aerospace Materials at Rzeszow University of Technology using an ALD Vacuum Technologies vacuum furnace. Ceramic moulds made of Al2O3 were used. The alloy temperature during casting into the mould amounted to 1550°C. The specimens for Laue method tests were cut out from the blades at withdrawal rates of 1, 2, 3, 4, and 5 mm/min.

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Periodical:

Solid State Phenomena (Volumes 203-204)

Pages:

177-180

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.203-204.177

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Online since:

June 2013

Authors:

Arkadiusz Onyszko, Jan Sieniawski, Włodzimierz Bogdanowicz, Hans Berger

Keywords:

Bridgman Method, Single Crystal, Structural Perfection, Superalloy, Turbine Blade

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References

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