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Open AccessArticle

Composition of ω-Phase Particles in Ti(Mo) Alloys Studied by Anomalous X-ray Diffraction

1
Department of Physics of Materials, Charles University, Ke Karlovu 5, 121 16 Prague, Czech Republic
2
Department of Solid State Physics, Charles University, Ke Karlovu 5, 121 16 Prague, Czech Republic
3
CEITEC, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
*
Author to whom correspondence should be addressed.
Crystals 2019, 9(9), 440; https://doi.org/10.3390/cryst9090440
Received: 29 July 2019 / Revised: 19 August 2019 / Accepted: 20 August 2019 / Published: 23 August 2019
(This article belongs to the Special Issue Investigation of Nanostructures with X-ray Scattering Techniques)
Nanoparticles of hexagonal ω phase in bcc-Ti(Mo) single crystals ( β phase) occur due to a diffusionless athermal β to ω transformation and they grow during follow-up ageing at elevated temperatures, while the alloying atoms (Mo in our case) are expelled from the nanoparticle volumes. We investigated the Mo content in growing ω nanoparticles by anomalous X-ray diffraction and demonstrate that the Mo expulsion from the ω phase is not full; a thin shell of a nanoparticles where the β to ω transformation is not complete still contains a considerable amount of Mo atoms. View Full-Text
Keywords: Ti alloys; ω nanoparticles; anomalous X-ray diffraction Ti alloys; ω nanoparticles; anomalous X-ray diffraction
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MDPI and ACS Style

Šmilauerová, J.; Harcuba, P.; Janeček, M.; Holý, V. Composition of ω-Phase Particles in Ti(Mo) Alloys Studied by Anomalous X-ray Diffraction. Crystals 2019, 9, 440.

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