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Formation of Al67Cu23Fe10 quasicrystals by microwave heating

Urheber*innen

Mihoc,  C.
External Organizations;

Schick,  D.
External Organizations;

Lütgens,  M.
External Organizations;

/persons/resource/lathe

Lathe,  Christian
CGS Centre for Geological Storage, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Burkel,  E.
External Organizations;

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Zitation

Mihoc, C., Schick, D., Lütgens, M., Lathe, C., Burkel, E. (2012): Formation of Al67Cu23Fe10 quasicrystals by microwave heating. - International Journal of Materials Research, 11, 1340-1344.
https://doi.org/10.3139/146.110786


https://gfzpublic.gfz-potsdam.de/pubman/item/item_246182
Zusammenfassung
The present work was carried out to compare the formation of single icosahedral phase during conventional heating and microwave processing. Al67Cu23Fe10 alloy powder was synthesized from high purity (99.9%) powder elements by mechanical alloying. Differential scanning calorimetry combined with in-situ synchrotron energy dispersive X-ray diffraction was used to identify the main solid state reactions and the phase evolution of the powders. Inductive microwave processing in the magnetic field anti-node was performed to obtain the quasicrystalline phase in only a few seconds. Due to the rapid cooling of the sample it was possible to stabilize the icosahedral phase against its competing quasicrystalline approximants. Laboratory X-ray diffraction analysis was used to characterise the atomic structure of the specimen and scanning electron microscopy was used to characterise the microstructure after the microwave processing.